List of Hey Arnold! episodes

Hey Arnold! is an American animated television series created by Craig Bartlett that aired on Nickelodeon from October 7, 1996 to June 8, 2004.[1] The show centers on a fourth grader named Arnold, who lives with his grandparents in an inner-city boarding house. A total of 100 episodes aired over the course of five seasons. Hey Arnold!: The Movie, a feature-length film based on the series, was released theatrically on June 28, 2002. Hey Arnold!: The Jungle Movie, a television film based on the series, premiered on November 24, 2017 on Nickelodeon.

Series overview

Season		Episodes	Originally aired
			First aired	Last aired
	Pilot		July 10, 1996 (cinemas)
	1	20	October 7, 1996	February 14, 1997
	2	19	September 21, 1997	January 18, 1998
	3	20	August 31, 1998	March 8, 1999
	4	17	March 10, 1999	December 11, 1999
	5	24	March 4, 2000	June 8, 2004[2]
	Hey Arnold!: The Movie		June 28, 2002
	Hey Arnold!: The Jungle Movie		November 24, 2017

Episodes

Note: Episodes are listed in the order in which they originally aired

Claymation shorts

Before the main series was launched, Craig Bartlett created three clay animation short films:

• Arnold Escapes From Church (1988)
• The Arnold Waltz (1990)
• Arnold Rides His Chair (1990) (shown on Sesame Street)

They featured four characters from Hey Arnold!: Arnold, Helga, Harold and Rhonda.

Pilot (1996)

Title	Directed by	Written by	Storyboard by	Original air date
"Arnold"	Craig Bartlett	Craig Bartlett, Joe Ansolabehere, Steve Viksten	Tuck Tucker, Craig Bartlett	July 10, 1996 (cinemas)
Arnold accidentally knocks out a bully named Harold during a baseball game, and Harold gives Arnold 24 hours to live before he beats him to a pulp. Notes: The plot for the pilot was later used in season 1 episode 17b, "24 Hours to Live". Also, the pilot was shown as a theatrical short before the 1996 Nickelodeon movie Harriet the Spy. (The short was not released on home video until November 20, 2018 on the Hey Arnold!: The Ultimate Collection DVD set.) It also aired once as part of Nick in the Afternoon.

Season 1 (1996–97)

No. overall	No. in season	Title	Directed by	Written by	Storyboard by	Original air date	Prod. code
1	1	"Downtown as Fruits Eugene's Bike"	Tuck Tucker & Larry Leichliter Kelly James & Juli Murphy-Hashiguchi	Craig Bartlett, Joe Ansolabehere & Steve Viksten Steve Viksten, Joe Ansolabehere & Craig Bartlett	Tuck Tucker (storyboard director) John Mathot Kelly James (storyboard director) Tricia Garcia	October 7, 1996	101
Downtown as Fruits: Arnold and Gerald are cast as fruits in the school play directed by Helga, but when she does not treat them with the respect they deserve, they skip out on the play and take a bus ride downtown. Eugene's Bike: Arnold accidentally destroys Eugene's brand new bike, so he tries to make it up to Eugene by taking him out on a day of fun, but clumsy Eugene keeps getting into accidents.
2	2	"The List Haunted Train"	Mark O'Hare & Larry Leichliter Tuck Tucker & Juli Murphy-Hashiguchi	Joe Ansolabehere Josie Nericcio	Mark O'Hare (storyboard director) Derek Drymon & John McIntyre Tuck Tucker (storyboard director) John Mathot	October 9, 1996	108
The List: Arnold attempts to do everything on the legendary "List for a Kid's Perfect Saturday", but all of his plans go horribly wrong when there is no good cereal in the boarding house, the TV set breaks down, and the hill to skate down is being repaired. Haunted Train: On a boring summer night, Grandpa Phil tells Arnold and his friends the tale of "The Haunted Train". Curiosity gets the best of Arnold, Gerald and Helga, so the three go to the abandoned railroad tracks to look for it.
3	3	"Operation Ruthless The Vacant Lot"	Kelly James & Larry Leichliter Mark O'Hare & Larry Leichliter	Rachel Lipman & Steve Viksten Josie Nericcio	Kelly James (storyboard director) Tricia Garcia Mark O'Hare (storyboard director) Derek Drymon	October 14, 1996	107
Operation Ruthless: Helga attempts to destroy Ruth McDougal, a sixth grader whom Arnold has a crush on, while at the annual city Cheese Fair. The Vacant Lot: Arnold and his friends clean up a dirty lot to play baseball on, but when the adults find the lot, they take it over and use it for their own reasons.
4	4	"6th Grade Girls The Baseball"	Dan Povenmire & Juli Murphy-Hashiguchi Dan Povenmire & Dale Case	Steve Viksten Joe Ansolabehere	Dan Povenmire (storyboard director) Debbie Baber & Sherm Cohen Dan Povenmire (storyboard director) Sherm Cohen	October 16, 1996	105
6th Grade Girls: Sixth grade girls Connie and Maria invite Arnold and Gerald to their school dance, but little do they know that Connie and Maria are using them to make their boyfriends jealous. The Baseball: Arnold's baseball idol, Mickey Kaline, is about to retire, so Arnold and Gerald go to Mickey's final game. Guest Star: Ron Perlman as Mickey Kaline
5	5	"Benchwarmer Cool Jerk"	Stark Howell & Steve Socki Rob Porter & Larry Leichliter	Jonathan Greenberg Joe Ansolabehere	Stark Howell (storyboard director) Tricia Garcia Rob Porter (storyboard director) Cullen Blaine	October 21, 1996	111
Benchwarmer: Arnold and his friends play on a basketball team led by Coach Wittenburg, but he tells the team to pass the ball to one kid only – his son, Tucker. Cool Jerk: A cool older boy named Frankie G. befriends Arnold, but Arnold soon realizes that Frankie G. only befriended him in order to help with a break-in.
6	6	"The Little Pink Book Field Trip"	Bert Ring & Don Judge Debbie Baber & Steve Socki	Craig Bartlett Joe Ansolabehere, Steve Viksten & Craig Bartlett	Bert Ring (storyboard director) Debbie Baber (storyboard director)	October 23, 1996	102
The Little Pink Book: Helga's diary is full of poems and shrines of Arnold. Arnold and Gerald find the diary and take it to Arnold's house to determine whose diary it is. The only place Helga signed her name in the book is on the last page, and she must get it back before Arnold sees her name, even if it means spending the night in Arnold's closet. Field Trip: While on a field trip to the aquarium, Arnold sees Lockjaw, a neglected, graffiti-covered old turtle, and Arnold feels bad for it, so later that night, Arnold and Grandma sneak into the aquarium and set Lockjaw free.
7	7	"Tutoring Torvald Gerald Comes Over"	Sherm Cohen & Larry Leichliter Bert Ring & Juli Murphy-Hashiguchi	Joe Ansolabehere Craig Bartlett & Rachel Lipman	Sherm Cohen & Dan Povenmire (storyboard directors) Mark O'Hare & Stark Howell Bert Ring (storyboard director) Debbie Baber, Sherm Cohen & Dean Yeagle	October 28, 1996	113
Tutoring Torvald: Arnold must tutor a 13-year-old, fourth-grade bully in math, much to his dismay. Gerald Comes Over: Gerald visits Arnold's boarding house and meets the eccentric boarders.
8	8	"Arnold's Hat Stoop Kid"	Tuck Tucker & Larry Leichliter Kelly James & Juli Murphy-Hashiguchi	Steve Viksten	Tuck Tucker (storyboard director) John Mathot Kelly James (storyboard director) Tricia Garcia	October 30, 1996	103
Arnold's Hat: Helga steals Arnold's hat to complete her secret shrine — a statue in the shape of his (Arnold's) head made from Arnold-chewed bubble gum. Arnold feels like he is nothing without his hat, so Helga is planning to return it to him — until her mother throws it in the trash, which is on its way to the dump. Stoop Kid: While playing football on the street, Arnold kicks the ball and it ends up on Stoop Kid's stoop. According to Gerald, Stoop Kid is a teenage boy who has been living on that particular stoop ever since he was born. Arnold tries to wait for him to leave so he can get his football back, but learns that he never leaves his stoop. Faced with this fact, he tries to convince Stoop Kid to overcome his habit by taking a step off the stoop.
9	9	"Heat Snow"	Tuck Tucker & Juli Murphy-Hashiguchi Bert Ring & Steve Socki	Jonathan Greenberg Craig Bartlett & Rachel Lipman	Tuck Tucker (storyboard director) John Mathot Bert Ring (storyboard director) Debbie Baber	November 4, 1996	106
Heat: A heat wave engulfs the city. Also, Arnold and Gerald try to find ways to escape the heat. Snow: A snowstorm comes to the city. Arnold's Grandpa tries to teach him work ethic while his friends play without him.
10	10	"Helga's Makeover The Old Building"	Kelly James & Juli Murphy-Hashiguchi Kelly James & Jamie Mitchell	Rachel Lipman Rachel Lipman & Steve Viksten	Kelly James (storyboard director) Tricia Garcia	November 6, 1996	104
Helga's Makeover: Due to her tomboyish nature, Helga is the only girl who is not invited to Rhonda's slumber party. Feeling left out, she gives herself a makeover, and goes to it anyway. The Old Building: Arnold is caught in the middle when Grandma and Ernie argue about whether an old theater should be torn down or not.
11	11	"Mugged Roughin' It"	Tuck Tucker & Jamie Mitchell Sherm Cohen & Alan Smart	Craig Bartlett Jonathan Greenberg	Tuck Tucker (storyboard director) Derek Drymon Sherm Cohen (storyboard director) Frank Nissen	November 11, 1996	109
Mugged: Arnold learns the secrets of self-defense from his Grandma after getting held up by a thug. He realizes his skills are getting out of hand when he beats up an innocent man. Roughin' It: Grandpa takes Arnold and Gerald on a weekend camping trip. As they set up the campsite, Big Bob, Helga, and Phoebe show up in a high-tech RV to rough it as well. Then, as everyone hikes up a mountain trail while exploring the great outdoors, they get lost in the wilderness. Arnold and Gerald agree to help everyone find their way back to their campsite by using Grandpa's survival tips.
12	12	"Door #16 Arnold as Cupid"	Stark Howell & Dale Case Dan Povenmire & Dale Case	Rachel Lipman Steve Viksten	Stark Howell (storyboard director) Tricia Garcia Dan Povenmire (storyboard director) Debbie Baber	November 13, 1996	110
Door #16: Arnold is given a package, which is for the mysterious Mr. Smith. Meanwhile, all of the boarders become curious about figuring out what is contained in it. Now, Arnold and Gerald try to make a safe delivery while searching all over the city for Mr. Smith so they can give it to him. Arnold as Cupid: After getting into an argument with Suzie over money, Oskar is kicked out of his room in the boarding house. Feeling rejected by her, he tries to find a new room to sleep in, but no one agrees to it. Then, with no other option, he decides to move into Arnold's room. Soon, Arnold becomes tired of Oskar sleeping in his room, not letting him get any sleep, and gambling away his possessions, so Arnold plays Cupid to try to string Oskar and Suzie's relationship together again.
13	13	"Das (The) Subway Wheezin' Ed"	Tuck Tucker & Steve Socki Dan Povenmire & Juli Murphy-Hashiguchi	Chris Simmons Craig Bartlett, Rachel Lipman & Steve Viksten	Tuck Tucker (storyboard director) John Mathot & Cullen Blaine Dan Povenmire (storyboard director) Debbie Baber	November 18, 1996	112
Das (The) Subway: The gang encounters trouble while traveling on the subway. Wheezin' Ed: The gang travels to Elk Island to find a pirate treasure said to be haunted by a gangster with a breathing problem.
14	14	"Spelling Bee Pigeon Man"	Frank Nissen & Steve Socki Jamie Mitchell & Larry Leichliter	Joe Ansolabehere Joseph Purdy	Frank Nissen (storyboard director) Derek Drymon Jamie Mitchell (storyboard director) Melissa Suber, Jay Lender & Dan Kubat	November 20, 1996	114
Spelling Bee: Arnold competes in a Tri-City spelling bee to win money for a keyboard, but faces competition against Helga, who is being pushed by her father to win so she can follow in her sister's footsteps. Pigeon Man: Arnold confronts a man that has known and trusted pigeons all his life after Arnold's pigeon gets sick. The man has not been around other humans for many years, as he feels he cannot trust them. When Arnold takes him for a day in the city, Harold and his friends come along and accidentally destroy Pigeon Man's bird cages trying to make simple mischief. Guest Star: Vincent Schiavelli as Pigeon Man
15	15	"Olga Comes Home Sally's Comet"	Stark Howell & Larry Leichliter Dan Povenmire & Howie Parkins	Steve Viksten Joseph Purdy	Stark Howell (storyboard director) Tricia Garcia Dan Povenmire (storyboard director) Sherm Cohen	November 25, 1996	115
Olga Comes Home: Jealous about her smart, talented, popular older sister Olga returning home from college, Helga fiendishly changes one of her grades from an A to B+, which sends Olga into a deep depression. Sally's Comet: Arnold and Gerald mail in cereal box tops to receive a telescope so they can see the well-known interstellar event known as Sally's Comet. The problem is that it is too bright for them to see the stars. Now they try to convince everybody in the city to turn off their lights.
16	16	"Abner, Come Home! The Sewer King"	Cullen Blaine & Howie Parkins Tuck Tucker & Alan Smart	Joe Ansolabehere Keith Kaczorek	Cullen Blaine (storyboard director) Rob Porter Tuck Tucker (storyboard director) Derek Drymon & Kelly James	November 27, 1996	116
Abner, Come Home!: Abner, Arnold's beloved pet pig, sees a cat out the window and he runs out of the boarding house to chase it, which leads to him running far away from home. The next morning, Arnold wakes up to realize that Abner is gone. Later, he announces a search party so everyone can help find Abner before something bad happens to him. The Sewer King: While Arnold goes out to bring Grandpa his golden watch back from the store, he sees a gigantic hole being dug for new sewer pipes at a construction site. As he looks down it, the watch falls out of his pocket and into the sewer. Now, Arnold and Gerald must go down there to retrieve it, only to find that it is in possession of the Sewer King.
17	17	"Magic Show 24 Hours to Live"	Dan Povenmire & Juli Murphy-Hashiguchi Craig Bartlett & Larry Leichliter	Glen David Gold Craig Bartlett, Steve Viksten & Joe Ansolabehere	Dan Povenmire (storyboard director) Sherm Cohen Craig Bartlett (storyboard director) Tuck Tucker, Derek Drymon & Dan Povenmire	December 9, 1996[3]	118
Magic Show: Arnold picks Helga for his disappearing act, but when Helga decides to run off to trick Arnold, she knocks herself out and dreams of a world where no one misses her now that she is gone. 24 Hours to Live: In this remake of the original pilot, Arnold accidentally knocks Harold out during a baseball game, and the bully gives Arnold 24 hours to live before he beats him to a pulp. Note: Season 1 episode 17b was shown as a VHS (and later DVD) short before the 1996 Nickelodeon movie Harriet the Spy.
18	18	"Arnold's Christmas"	Jamie Mitchell	Steve Viksten Craig Bartlett, Steve Viksten & Joe Ansolabehere (story by)	Tuck Tucker, Stark Howell, Jamie Mitchell & Kelly James (storyboard directors) Derek Drymon, Tricia Garcia, Kelly James & Rob Porter	December 11, 1996	120
Arnold tries to find Mr. Hyunh's daughter (who was separated from him during the final days of the Vietnam War) as he carries out his duty as Mr. Hyunh's secret Santa. The only man who can help them agrees, only if Arnold and Gerald do all of his Christmas shopping for him. Meanwhile, Helga must choose between a Christmas present for herself (Nancy Spumoni boots) and the perfect gift for Arnold.
19	19	"False Alarm World Records"	Kelly James & George S. Chialtas	Rachel Lipman & Steve Viksten Joe Ansolabehere	Chris Savino (storyboard director) Chris Robertson Kelly James (storyboard director) Stark Howell	December 23, 1996	117
False Alarm: Eugene is framed for pulling the fire alarm at school. Arnold interrogates his friends in a makeshift courtroom in the library to discover the real culprit. World Records: Arnold and his friends try to get into the Guinness Book of Records.
20	20	"Arnold's Valentine"	Jamie Mitchell	Steve Viksten & Rachel Lipman	Tuck Tucker & Stark Howell (storyboard directors) Derek Drymon & Rob Porter	February 14, 1997	125
On Valentine's Day, Arnold manages to arrange two dates; one with Ruth, the sixth grader he likes, and one with his French penpal Cecile (actually, it is Helga in disguise) – only for the real Cecile to suddenly appear on a surprise visit, and Arnold to discover what Ruth is really like, as she mistakes Arnold for a busboy and talks only about herself.

Season 2 (1997–98)

No. overall	No. in season	Title	Directed by	Written by	Storyboard by	Original air date	Prod. code
21	1	"Save the Tree New Teacher"	Dan Povenmire	Joseph Purdy	Dan Povenmire (Storyboard director) Sherm Cohen	September 22, 1997	203
Save the Tree: Arnold and the gang must stop Big Bob from chopping down the oldest tree in town. New Teacher: When the kids make their new teacher, Mr. Simmons, quit his job, the replacement makes them realize what they lost. Note: First appearance of the new teacher Mr. Simmons and General Sgt. Goose. Mr. Simmons was in the third episode of the second season in production order.
22	2	"Helga's Love Potion Gerald's Secret"	Dan Povenmire Tuck Tucker	Craig Bartlett Jonathan Greenberg	Dan Povenmire (Storyboard director) Sherm Cohen Tuck Tucker (Storyboard director) Jay Lender	September 24, 1997	210
Helga's Love Potion: Helga drinks a potion to lose all of her feelings for Arnold. Gerald's Secret: Gerald's secret is revealed; he does not know how to ride a bike, so Arnold tries to teach him how.
23	3	"The Big Scoop Harold's Kitty"	Stark Howell Steve Socki	Joseph Purdy Jordana Arkin & Steve Viksten	Stark Howell (Storyboard director) Christopher Morley Tricia Garcia (Storyboard director) Tim Parsons	October 5, 1997	201
The Big Scoop: Arnold and Gerald compete against Helga in the school newspaper, but they find out that Helga is adding fake information for her newspaper. When one story begins to frighten all the students, Arnold and Gerald do some investigating, and print the truth-exposing Helga's fabrications. Harold's Kitty: Arnold and Harold rescue what they believe to be a stray kitten from the trashcan. As Arnold hangs up flyers, the mean and tough Harold forms a bond with the kitten, who ends up belonging to a grumpy old lady, Mrs. Ryle. When Harold refuses to give up the kitten, who he has named Cupcake, the police, Mrs. Ryle, and Harold's parents show up to take it back as Harold barricades himself in the house with the kitten. Note: This is first episode to feature Phillip Van Dyke as the voice for Arnold and the first episode of the second season in production order.
24	4	"Longest Monday Eugene's Pet"	Derek Drymon & Larry Leichliter Derek Drymon & George S. Chialtas	Jonathan Greenberg Megan Blumenreich (story by) Antoinette Stella	Derek Drymon (Storyboard director) Kurt Dumas Derek Drymon (Storyboard director) Kurt Dumas & Robert Porter	October 12, 1997	207
Longest Monday: Schoolyard tradition has it that on the first Monday of June each year, the fifth graders throw the fourth graders into trash cans. So, Arnold and Gerald try to make a run for it. As more people are thrown into trash cans and the fifth graders know all the routes, Arnold and Gerald find out eluding the fifth graders is harder that they thought. Eugene's Pet: After Arnold accidentally kills Eugene's fish with a yo-yo, he must do something to make up for it. Note: First appearance of Wolfgang, Edmund, Mickey the Weasel, and the other 5th graders. Wolfgang was voiced by Toran Caudell, who voiced Arnold in the first season.
25	5	"Monkey Business Big Caesar"	Tuck Tucker Dan Povenmire	Steve Viksten Jonathan Rosenthal & Craig Bartlett	Tuck Tucker (Storyboard director) Jay Lender Dan Povenmire (Storyboard director) Sherm Cohen	October 19, 1997	205
Monkey Business: An organ grinder's monkey kisses Helga, who is convinced she has caught "monkeynucleosis". Big Caesar: Arnold and Gerald do a spot of fishing, determined to catch the pond's biggest fish, the legendary "Big Caesar".
26	6	"Ransom Ms. Perfect"	Steve Socki	Jonathan Greenberg Steve Viksten	Kelly James (Storyboard director) Scott Shaw & Tim Parsons Kelly James (Storyboard director) Scott Shaw	October 26, 1997	204
Ransom: Gerald and Arnold get on the case when Timberly's doll goes missing. Ms. Perfect: Lila, the new girl, is disliked at school by Helga and the other girls for seeming to be absolutely perfect and a big hit with all the boys. The girls soon play a prank on Lila, causing paint to spill all over her in front of the school. They soon accept her after they see how upset she is and learn that her dad has been unemployed for some time, leading to the two having little to no food in the house. Note: First appearances of Lila and Big Patty.
27	7	"Arnold's Halloween"	Jamie Mitchell	Craig Bartlett, Joseph Purdy & Antoinette Stella	Tuck Tucker & Kelly James (Storyboard directors) Derek Drymon & Kurt Dumas	October 27, 1997	214
This episode is a parody of the panic caused by Orson Welles' adaptation of "The War of the Worlds". The whole city mistakes a Halloween prank set up by Arnold and Gerald as an actual alien invasion.
28	8	"Arnold Saves Sid Hookey"	Stark Howell Steve Socki	Steve Viksten Jim Ryan	Stark Howell (Storyboard director) Chris Robertson Kelly James (Storyboard director) Scott Shaw	November 2, 1997	202
Arnold Saves Sid: After Arnold saves Sid from an injury, Sid devotes himself to paying Arnold back with unending kindness. Hookey: Arnold and Gerald skip school, but their day is ruined by their fear of being found out.
29	9	"Freeze Frame Phoebe Cheats"	Tuck Tucker	Joseph Purdy Antoinette Stella Danica Ivancevic (story by)	Tuck Tucker (Storyboard director) Jay Lender Tuck Tucker (Storyboard director) Derek Drymon	November 9, 1997	209
Freeze Frame: Arnold and Gerald go around the city following "Porkpie", a mysterious man caught on film. They suspect, because of the clues, that Porkpie are planning to kill "Marty", who turns out to be Mr. Green. Phoebe Cheats: In this variation of "The Tell-Tale Heart", Phoebe plagiarizes from a poetry book and uses one of the poems as her entry in a poetry contest. She wins, with her prize being a trophy resembling poet Emily Dickinson. Then, the trophy haunts Phoebe into confessing.
30	10	"Mudbowl Gerald Moves Out"	Stark Howell	Jonathan Greenberg Steve Viksten & Danica Ivancevic	Stark Howell (Storyboard director) Chris Robertson	November 16, 1997	208
Mudbowl: Wolfgang and his gang of fifth graders challenge Arnold and his friends to a football game, but he has to first persuade them that his plays are good enough for them to win. Gerald Moves Out: Gerald, getting tired of his family bugging him, moves out of his home and into Arnold's boarding house, only to realize emancipation is not all it is cracked up to be.
31	11	"The High Life Best Friends"	Derek Drymon Steve Socki	Lesa Kite Rachel Lipman (story by) Jonathan Greenberg	Derek Drymon (Storyboard director) Kurt Dumas Kelly James (also Storyboard director)	November 23, 1997	206
The High Life: Gerald becomes an entrepreneur out of selling watches until the market becomes saturated. Best Friends: Rhonda and Nadine have a falling-out over working on a project at school, leaving Arnold to work with both of them separately. Arnold tries to bring the two best friends back together.
32	12	"Steely Phil Quantity Time"	Stark Howell Steve Socki	Steve Viksten Antoinette Stella (story by) Steve Viksten	Stark Howell (Storyboard director) Chris Robertson Steve Socki (Storyboard director) John Flagg	November 30, 1997	211
Steely Phil: Arnold's Grandpa enters a Chinese Checkers tournament to reclaim his pride lost forty years ago. Robby Fisher's name is a parody of Bobby Fischer. Quantity Time: Helga's mother tries to let Helga and her father, Bob, bond after she learns the two of them will be home all week (as it's Spring Break for Helga). Miriam decides to take an impromptu vacation to her mother's, leaving father and daughter on their own-with Bob knowing nothing about his daughter.
33	13	"Eating Contest Rhonda's Glasses"	Steve Socki & Kelly James Larry Leichliter	Joseph Purdy Antoinette Stella	Kelly James (also Storyboard director) George S. Chialtas (Storyboard director) Rob Porter & Kurt Dumas	December 7, 1997	212
Eating Contest: Arnold enters an eating contest. Rhonda's Glasses: Rhonda gets glasses and finds out what it is like to be a "geek", the very people she judged and forced to sit in the back of the bus.
34	14	"Helga's Boyfriend Crush on Teacher"	Tuck Tucker & Larry Leichliter Stark Howell & George S. Chialtas	Steve Viksten & Rachel Lipman Joseph Purdy	Tuck Tucker (Storyboard director) Derek Drymon Stark Howell (Storyboard director) Rob Porter	December 14, 1997	121
Helga's Boyfriend: Helga uses Stinky as her boyfriend to try to make Arnold jealous. Crush on Teacher: Arnold develops a crush on Miss Felter, a substitute teacher, thinking she returns the feelings and that he is having dinner at her house, only to realize that the one she invited was her fiancé, whose name is also Arnold. Guest Star: Julia Louis-Dreyfuss as Miss Felter
35	15	"Hall Monitor Harold's Bar Mitzvah"	Kelly James & Steve Socki Dan Povenmire & Juli Murphy-Hashiguchi	Rachel Lipman Joseph Purdy	Kelly James (Storyboard director) Tricia Garcia & Melissa Suber Dan Povenmire (Storyboard director) Sherm Cohen	December 21, 1997	122
Hall Monitor: Phoebe becomes hall monitor and asks Helga for tips. She becomes overwhelmed by the "power" and soon everyone wants the old Phoebe back – even Helga, once she realizes Phoebe's also giving her detentions. Harold's Bar Mitzvah: Harold runs away from his Bar Mitzvah, thinking he will retain his childhood this way.
36	16	"Coach Wittenberg Four-Eyed Jack"	Stark Howell & Larry Leichliter Tuck Tucker & George S. Chialtas	Jonathan Greenberg Craig Bartlett Danica Ivancevic (story by)	Stark Howell (Storyboard director) Rob Porter Tuck Tucker (Storyboard director) Derek Drymon	December 28, 1997	123
Coach Wittenberg: Arnold and his friends get Coach Wittenberg to be their new bowling coach, but all he does is yell and make them do push-ups. It's learned that Helga's bowling team is coached by Tish Wittenberg, Coach Wittenberg's ex-wife (who he later remarries in "Best Man"). Four-Eyed Jack: The ghost of a former boarding house resident is believed to have been causing strange occurrences in there when Arnold and Gerald find an old pair of glasses believing to have belonged to him.
37	17	"Eugene Goes Bad What's Opera, Arnold?"	Tuck Tucker Dan Povenmire & Steve Socki	Steve Viksten Craig Bartlett	Tuck Tucker (Storyboard director) John Flagg Dan Povenmire (Storyboard director) Sherm Cohen	January 4, 1998	213
Eugene Goes Bad: After finding out that his idol is a haughty, primped actor, Eugene sets out to become bad. What's Opera, Arnold?: Helga and Arnold fall asleep during a field trip to the opera house, and have their own "parody/dream" of the opera Carmen.
38	18	"Tour de Pond Teachers Strike"	Dan Povenmire & Julie-Murphy Hashiguchi Kelly James & Steve Socki	Rick Gitelson Rachel Lipman & Joseph Purdy	Dan Povenmire (Storyboard director) Sherm Cohen Kelly James (Storyboard director) Tricia Garcia & Melissa Suber	January 14, 1998	124
Tour de Pond: Arnold and a descendant of his grandpa's arch enemy, Rex Smythe-Higgins, compete in a boat race. Teachers Strike: Teachers of Arnold's school go on strike because of inadequate funding; he and his friends are on cloud nine, only to find out that every lost school day will be taken from their summer vacation, and that their teachers have taken jobs at their favorite hangouts, turning fun into school.
39	19	"Runaway Float Partners"	Rob Porter & Larry Leichliter Dan Povenmire & Julie Murphy-Hashiguchi	Jonathan Greenberg Jonathan Greenberg & Steve Viksten	Rob Porter (Storyboard director) Cullen Blaine Dan Povenmire (Storyboard director) Sherm Cohen	January 18, 1998	126
Runaway Float: After creating an idea for a parade float, Arnold is confident of it showing up in a parade. Partners: A lounge singer moves into the Sunset Arms after renouncing his songwriter, who also moves there. Guest Star: Harvey Korman as Don Reynolds Note: This was Toran Caudell's last episode to voice Arnold and the final episode of the first season in production order.

Season 3 (1998–99)

No. overall	No. in season	Title	Directed by	Written by	Storyboard by	Original air date	Prod. code
40	1	"Helga Blabs It All Harold the Butcher"	Tuck Tucker Larry Leichliter & Stark Howell	Craig Bartlett Joseph Purdy	Tuck Tucker (storyboard director) Miyuki Hoshikawa Stark Howell (storyboard director) Kurt Dumas	August 31, 1998	305
Helga Blabs It All: While under the influence of laughing gas, Helga leaves a message on Arnold's answering machine confessing her love for him. When she finally comes to, she realizes that she has to get to Arnold's answering machine and delete the message before any one else can hear it, encountering obstacles along the way. Harold the Butcher: As punishment for shoplifting a ham, Harold is forced to work for Mr. Green at his butcher shop for a week. At first all he does is mess up and annoy Green. Later, after his work shift to pay for it is over, he soon learns that he actually likes his new after-school job and does not want to stop working there, much to the dismay of Mr. Green (at least at first). It is not until Mr. Green's annual big sale that the butcher realizes Harold's help is needed and appreciated.
41	2	"Dangerous Lumber Mr. Hyunh Goes Country"	Sherm Cohen & Frank Weiss Stark Howell	John D. Beck & Ron Hart Steve Viksten & Joseph Purdy	Sherm Cohen (storyboard director) Tim Parsons Stark Howell (storyboard director) Kurt Dumas & Chris Robertson	September 2, 1998	307
Dangerous Lumber: Arnold has a lethal baseball bat swing, causing him to unintentionally knock out other players, so he decides never to play the sport again, mere days before a baseball game against the fifth graders. Mr. Hyunh Goes Country: Mr. Hyunh has a talent for country singing, so Arnold and Gerald, after recording a CD with him at the local studio, become his managers and make him a big star, much to his dislike. Their biggest gig is on-stage the Grand Ole Opry, Mr. Hyunh's favorite show. Mr. Hyunh must decide to become world famous and tour or not. Guest Star: Ron Perlman as Mickey Kaline, Randy Travis as Mr. Hyunh's singing voice / Travis Randall
42	3	"Casa Paradiso Gerald's Tonsils"	Steve Socki Sherm Cohen & Frank Weiss	Joseph Purdy Craig Bartlett	Mark O'Hare (also storyboard director) Sherm Cohen (storyboard director) Tim Parsons & Chris Robertson	September 7, 1998	310
Casa Paradiso: When an irritated Grandpa Phil decides to sell the boarding house to go live in a condo, Arnold and the boarders try to get him to change his mind. Gerald's Tonsils: Gerald's voice is deepened after having his tonsils out, just a few days before the school recital. Note: Gerald's voice change was due to his voice actor going through puberty, his voice deepening.
43	4	"Arnold's Room Helga vs. Big Patty"	Tuck Tucker Steve Socki & Kelly James	Joseph Purdy Steve Viksten	Tuck Tucker (storyboard director) Miyuki Hoshikawa Kelly James (also storyboard director)	September 9, 1998	308
Arnold's Room: Sid pretends that Arnold's room is his room when he studies with Lorenzo, a rich classmate. Helga vs. Big Patty: Sixth grade tough girl Big Patty challenges Helga to a fight after Helga gets on her last nerves by making once too many jokes about her.
44	5	"Stinky Goes Hollywood Olga Gets Engaged"	Tuck Tucker Dan Povenmire	Steve Viksten Antoinette Stella	Tuck Tucker (storyboard director) Miyuki Hoshikawa Dan Povenmire (storyboard director) Jay Lender	September 16, 1998	303
Stinky Goes Hollywood: Stinky becomes the new Yahoo Soda poster child, but gives it up when it is revealed that he was hired as a joke, much to the objection of his parents, who only care about the money. Olga Gets Engaged: Olga gets engaged to a con man named Doug who does not exactly woo Helga as he did the rest of her family, but she decides to let the marriage happen so Olga can be miserable. But she is given a change of heart from Arnold, and attempts to stop it, forging a good-bye letter to Olga after telling him to leave or else she will callback his girlfriend and tell her about Olga and the marriage.
45	6	"Curly Snaps Preteen Scream"	Steve Socki & Kelly James Dan Povenmire	Joseph Purdy Joseph Purdy Dawn Hershey & Michelle Lamoreaux (story by)	Kelly James (storyboard director) Chris Robertson Dan Povenmire (storyboard director) Jay Lender & Stephan Martiniere	September 23, 1998	302
Curly Snaps: Curly locks himself in the principal's office after being skipped as Ball Monitor, the person who collects kick balls after recess. Preteen Scream: Phoebe wins a chance to meet her favorite singer, only to find out that he does not write or sing his own songs, he is just a self-centered pretty face. Guest Star: Bronson Pinchot as Ronnie Matthews
46	7	"Grandpa's Birthday Road Trip"	Sherm Cohen & Steve Socki Tuck Tucker	Craig Bartlett Craig Bartlett, Steve Viksten & Joe Ansolabehere (story by) Jonathan Greenberg	Sherm Cohen (storyboard director) Tim Parsons & Chris Robertson Tuck Tucker (storyboard director) Miyuki Hoshikawa	September 30, 1998	314
Grandpa's Birthday: Grandpa thinks he's going to die when he turns 81 because of a "family curse"-every family member before him died at 81. He and Arnold spend the day before his 81st birthday doing all the things Grandpa's wanted to do. Road Trip: When Bob has to go to a business meeting, Miriam and Helga are forced to go on the family road trip by themselves to South Dakota to see Helga's grandmother, which results in Miriam losing her purse,the directions, and ends up wrecking the car.
47	8	"Sid's Revenge Roller Coaster"	Dan Povenmire Larry Leichliter & Christine Kolosov	Michelle Lamoreaux Joseph Purdy	Dan Povenmire (storyboard director) Jay Lender & Steve Lowtwait Larry Leichliter (storyboard director) Aldin Baroza, Carson Kugler, Ted Seko & Rick Hoberg	October 7, 1998	313
Sid's Revenge: Sid swears vengeance with a voodoo doll made out of a bar of soap carved into the form of Principal Wartz for giving him detention for a prank he did not pull, and then believes that he killed him. Roller Coaster: A roller coaster breaks down while Eugene "The Jinx" and Arnold are at the top of its tallest drop.
48	9	"The Aptitude Test Oskar Gets a Job"	Stark Howell Steve Socki & Kelly James	Antoinette Stella Steve Viksten	Stark Howell (storyboard director) Kurt Dumas Kelly James (storyboard director) Chris Robertson	October 14, 1998	301
The Aptitude Test: Helga thinks she's dim because she failed an aptitude test at school, only to discover she received Harold's test score, and vice versa. Oskar Gets a Job: Oskar gets a job as a newspaper carrier to get money to payback a finance, but uses Arnold as cover for his laziness- making excuses as to why he cannot do his job.
49	10	"Arnold Betrays Iggy Helga and the Nanny"	Dan Povenmire Sherm Cohen & Steve Socki	Steve Viksten Joseph Purdy	Dan Povenmire (storyboard director) Jay Lender & Chris Robertson Sherm Cohen (storyboard director) Tim Parsons	October 19, 1998	306
Arnold Betrays Iggy: Arnold finds out that Iggy wears bunny pajamas while delivering his homework (as Iggy was sick), and Iggy makes him promise not to tell. The next day, Sid and Stinky guess the secret by pure contrived chance, putting Arnold and Iggy's friendship to the test. Helga and the Nanny: Bob hires a nanny named Inga to help Miriam around the house and care for Helga while Miriam serves community service, much to Helga's dismay. She tries to make Helga act more "proper". From this moment on, Helga attempts to get her fired.
50	11	"Career Day Hey Harold!"	Dan Povenmire Steve Socki & Kelly James	Jonathan Greenberg Steve Viksten	Dan Povenmire (storyboard director) Jay Lender Kelly James (also storyboard director)	October 21, 1998	309
Career Day: Arnold gets paired with the bitter Jolly Olly Man as part of Career Day, while Helga gets paired with a police officer, Gerald with a fire-fighter, and Phoebe with Ernie at the demolition site. The other kids think it is the best job, as he gets to be around ice cream all day. Arnold helps the Jolly Olly man be nicer to his customers and please his boss, who happens to be his dad- whose just as grumpy. Hey Harold!: Harold is invited to Rhonda's party, though he does not want to go as he thinks nobody will dance with him. While there, he dances with and befriends the female bully, Big Patty, who also had nobody to dance with. The two spend the next day together hanging out, much to the teasing of Stinky and Sid, who begin to tease him by saying he has a crush on her. They already tease Big Patty for being "big and dumb", which upsets Harold.
51	12	"Best Man Cool Party"	Sherm Cohen & Christine Kolosov Dan Povenmire	Steve Viksten Craig Bartlett	Sherm Cohen (storyboard director) Tim Parsons & Chris Robertson Dan Povenmire (storyboard director) Bob Foster, Jay Lender & Steve Lowtwait	November 2, 1998	312
Best Man: Coach Wittenberg assigns Arnold the duty of best man at his second wedding to his ex-wife, Tish Wittenberg, while Helga is assigned to be the maid of honor. Cool Party: Rhonda holds a cool-people-only party at her house. In retaliation, Arnold and his friends hold a "geek" party on the roof of his boarding house further up the street, leaving Rhonda's party deserted as the cool-party is boring and only about Rhonda.
52	13	"Arnold & Lila Grand Prix"	Steve Socki Stark Howell & Larry Leichliter	Steve Viksten Joseph Purdy	Steve Socki (storyboard director) Mark O'Hare & Edgar Larrazabal Stark Howell (storyboard director) Kurt Dumas & Celia Kendrick	November 4, 1998	315
Arnold & Lila: Arnold gets more attention than he bargained for from Lila after Helga writes "Arnold Loves Lila" on the wall, first writing "Arnold Loves Helga", making the other girls believe Arnold wrote the graffiti. Grand Prix: The kids compete in a grand prix race against each other.
53	14	"Arnold's Thanksgiving"	Larry Leichliter	Craig Bartlett, Joseph Purdy & Steve Viksten Craig Bartlett, Steve Viksten, Joseph Purdy & Antoinette Stella (story by)	Kelly James & Tuck Tucker (storyboard directors) Kelly James, Chris Robertson & Caesar Martinez	November 18, 1998	316
Arnold and Helga are sick of their families' Thanksgiving traditions. Arnold's grandma confuses Thanksgiving with Fourth of July, and vice versa, so his Thanksgiving meal consists of hotdogs and watching fireworks. When the others will not help him convince Gertie otherwise, he leaves. Helga is upset that her family ignores her, even on Thanksgiving, with Olga forcing everyone to help with the meal, then taking all the credit. Miriam ignores Helga's handmade centerpiece in favor of Olga's, and Big Bob just wants to watch the football game. Helga leaves when her family puts her down for having nothing to be thankful for. They meet and go to Mr. Simmons', only to realize that, compared to Thanksgiving with his family, theirs are not so bad after all. Arnold returns to a turkey and fireworks, Helga returns to a frantic family, who are on the phone with the police and making flyers to find her.
54	15	"Helga's Show The Flood"	Stark Howell Christine Kolosov	Steve Viksten Antoinette Stella	Stark Howell (storyboard director) Kurt Dumas Larry Leichliter (storyboard director) Kurt Dumas & Mark O'Hare	November 25, 1998	318
Helga's Show: Helga tells jokes about her classmates, who take offense to it. The Flood: The town is flooded and Arnold's class is trapped in the school.
55	16	"Phoebe Takes the Fall The Pig War"	Larry Leichliter & Tuck Tucker Dan Povenmire	Joseph Purdy Craig Bartlett	Tuck Tucker (storyboard director) Sam Flemming, Miyuki Hoshikawa & Caesar Martinez Dan Povenmire (storyboard director) Jay Lender & Steve Lowtwait	December 7, 1998	311
Phoebe Takes the Fall: Helga demands that Phoebe lose a quiz competition to impress her competitive father. The Pig War: Arnold, Grandpa, and friends reenact the Pig War. Note: "The Pig War" was inspired by an actual border conflict in Washington state's San Juan Islands in 1859.
56	17	"Part-Time Friends Biosquare"	Stark Howell & Juli Murphy-Hashiguchi Kelly James & Steve Socki	Joseph Purdy Jordana Arkin	Stark Howell (storyboard director) Tricia Garcia & Kelly James Kelly James (storyboard director) Tricia Garcia & Melissa Suber	December 7, 1998	119
Part-Time Friends: Arnold is okay with working with Gerald at Mrs. Vitello's flower shop after she's injured and puts Gerald in charge, but not with working for Gerald, which causes the friendship to hit a snag and Arnold quits. Note: This episode was released on the VHS of "Hey Arnold!: Partners" on July 28, 1998, before it aired on television. Biosquare: As a science assignment, Arnold and Helga have to work together, and get along with each other, for 24 hours in the Sunset Arms greenhouse when they become locked inside.
57	18	"Crabby Author Rich Kid"	Sherm Cohen & Larry Leichliter Larry Leichliter & Christine Kolosov	Steve L. Hayes Joseph Purdy	Sherm Cohen (storyboard director) Tim Parsons Larry Leichliter (storyboard director) Mark O'Hare & Richard Walsh	December 28, 1998	304
Crabby Author: Arnold does his school report on an author he likes, only to find out that she's a grumpy, old hag. Rich Kid: Lorenzo, a neurotic rich kid, comes to P.S. 118. All the kids try to help him become an average kid. Guest Star: Rose Marie as Agatha Caulfield *Note: Lorenzo had already appeared in the previous episodes "Arnold's Room", "Cool Party", and various season 3 episodes.
58	19	"Girl Trouble School Dance"	Sherm Cohen & Frank Weiss Stark Howell	Craig Bartlett Sherm Cohen & Craig Bartlett (story by) Steve Viksten	Sherm Cohen (storyboard director) Tim Parsons Stark Howell (storyboard director) Kurt Dumas	January 4, 1999	317
Girl Trouble: Arnold snaps at school after Helga tries his patience once too often, causing him to pour paint on her after she pours some on him. He learns that Grandpa had a female bully at his age who was much like Helga (it is revealed at the end his bully was Gertie, his wife). School Dance: Arnold is in charge of the school dance. He books has-been singer Dino Spumoni, and when he sings a depressing "good-bye" song, all fingers point at Arnold, especially Rhonda and Helga.
59	20	"School Play"	Steve Socki	Steve Viksten	Kelly James & Dan Povenmire (storyboard directors) Kelly James, Jay Lender & Steve Lowtwait	March 8, 1999	319
After hearing that Arnold is Romeo in the school play of Romeo and Juliet, Helga does everything she can to get the part of Juliet and kiss him. She frightens the other girls who have the role ahead of her (she stresses Phoebe out by giving her stage fright, shows Rhonda the dress Juliet must wear that Rhonda disproves of, Sheena with the fact Juliet dies, and Lila gives her the part)

Season 4 (1999)

No. overall	No. in season	Title	Animation Director(s)	Written by	Storyboard by	Original air date	Prod. code
60	1	"Full Moon Student Teacher"	Frank Weiss	Steve Viksten Michelle Lamoreaux & Steve Viksten	Mario Piluso (director) Kurt Dumas & Caesar Martinez Chris Headrick (director) Chris Robertson	March 10, 1999	403
Full Moon: When Harold, Sid, and Stinky accidentally frames Arnold for mooning Principal Wartz, he was just an innocent bystander. Student Teacher: Helga's sister Olga comes home for spring break and becomes a classroom aid in Helga's class, much to Helga's chagrin. Note: This is the first episode to use digital ink and paint.
61	2	"Big Gino Jamie O in Love"	Christine Kolosov	Joseph Purdy Michelle Lamoreaux Danica Ivancevic, Steve Viksten & Michelle Lamoreaux (story by)	Tim Parsons (director) Carson Kugler Mike Svayko (director) Jay Lender	March 15, 1999	404
Big Gino: After Sid works off a debt with loan shark Big Gino, the two become friends, but when Sid is told to give Arnold a swirlie, he has to choose between the two. Jamie O in Love: Gerald's older brother Jamie O has a sudden burst of kindness when he finds a girlfriend, but Arnold and Gerald soon find out that the girl is just using Jamie O. Gerald is conflicted between telling his brother the truth, risking Jamie O to go back to his mean nature, or keeping it a secret and take advantage of his brother's kindness.
62	3	"Eugene's Birthday Stinky's Pumpkin"	Christine Kolosov Frank Weiss	Craig Bartlett Joseph Purdy	Sherm Cohen (director) Tim Parsons Mario Piluso (director) Kurt Dumas	March 17, 1999	401
Eugene's Birthday: After losing Eugene's birthday party invitations, Arnold feels obliged to throw him another party, but it does not work out. Stinky's Pumpkin: Stinky grows a huge pumpkin to enter in a city competition to prove he's good at something, despite his family telling him nothing has grown on their land for years. Note: This is the first episode to feature Spencer Klein as the voice for Arnold and also the first episode of the fourth season in production order.
63	4	"The Beeper Queen Oskar Can't Read?"	Frank Weiss	Michelle Lamoreaux Joseph Purdy	Chris Headrick (director) Chris Robertson Chris Headrick (director) Kurt Dumas & Ted Seko	March 29, 1999	405
The Beeper Queen: After Bob pops his spine, Miriam runs Big Bob's Beepers. At first the job turns her into an attentive mother, packing lunches for Helga, driving her to school, and helping her with homework. She soon gets in over her head and forgets about her family. Helga must help her come to her senses. Oskar Can't Read?: Arnold finds out that Oskar is illiterate and tries to teach him to read. The final test is to take Oskar to the other side of town and he must find his way home, with only a map and written directions.
64	5	"Dinner for Four Phoebe Skips"	Frank Weiss Christine Kolosov	Steve Viksten Michelle Lamoreaux	Chris Headrick (director) Chris Robertson Mike Svayko (director) Jay Lender	March 31, 1999	402
Dinner for Four: Helga wants to show Arnold that she can be as sophisticated as Lila is by taking him, Gerald, and Phoebe out to dinner with a coupon she won. She devises a plan to get out of paying when she discovers they're at the wrong restaurant. Phoebe Skips: Phoebe is promoted to the sixth grade, but ignores Helga when she tells Phoebe that her new so-called "friends" are just using her to do their homework. She learns the hard way when a younger girl is also moved up to 6th grade, and her "friends" ditch Phoebe for the new girl. Phoebe runs crying to Helga, who welcomes Phoebe back and plots to get back at the older girls. Note: This is the last episode to use traditional cel animation before switching to digital ink and paint for the rest of the series.
65	6	"Helga's Parrot Chocolate Turtles"	Frank Weiss Christine Kolosov	Antoinette Stella Michelle Lamoreaux & Joseph Purdy (story by) Craig Bartlett	Kurt Dumas (director) Caesar Martinez Mike Svayko (director) Jay Lender & Miyuki Hoshikawa	April 5, 1999	407
Helga's Parrot: A sleep-talking Helga confides into Bob's parrot about her love for Arnold. The next day, the parrot flies into Arnold's window, and it is up to Helga to get it. Chocolate Turtles: Crisis strikes when Gerald's little sister, Timberly, eats a stock of chocolate turtles that he and Arnold are supposed to sell for a local scout organization.
66	7	"Love and Cheese Weighing Harold"	Frank Weiss Christine Kolosov	Steve Viksten	Mario Piluso (director) Kurt Dumas Chris Robertson (director) Aldin Baroza & Miyuki Hoshikawa	April 7, 1999	408
Love and Cheese: Helga tries to separate Arnold from Lila while at the annual Cheese Fair. Weighing Harold: Harold, after discovering his friends think he is obese, decides to go on a weight-loss cruise. When he comes back, though, he is noticeably larger.
67	8	"Back to School Egg Story"	Frank Weiss	Craig Bartlett Joe Ansolabehere, Steve Viksten & Craig Bartlett (story by) Celia Bonaduce, Michelle Lamoreaux & Steve Viksten	Mario Piluso (director) Kurt Dumas & Caesar Martinez Chris Headrick (director) Ted Seko	September 11, 1999	412
Back to School: After Grandpa tells Arnold that he never got his grade school diploma, Arnold convinces him to come to go back to school at P.S. 118. Egg Story: Arnold and Helga must care for an egg for a school project about parenting. Meanwhile, Rhonda and Harold are project partners and must also take care of an egg.
68	9	"It Girl Deconstructing Arnold"	Christine Kolosov Frank Weiss	Jonathan Greenberg Michelle Lamoreaux	Tim Parsons (director) Carson Kugler Chris Headrick (director) Ted Seko	September 18, 1999	409
It Girl: Helga becomes a model, but she quits after she gets irritated at everyone dressing like her. Deconstructing Arnold: Arnold's classmates are tired of constantly telling them the right thing to do, so he stops giving them advice. Nevertheless, when his classmates get into sticky situations, they are in desperate need of his advice. Guest Star: Michael McKean as Johnny Stitches
69	10	"Grudge Match Polishing Rhonda"	Frank Weiss Christine Kolosov	Joseph Purdy Michelle Lamoreaux	Kurt Dumas (director) Caesar Martinez Tim Parsons (director) Carson Kugler	September 25, 1999	410
Grudge Match: After getting in a car accident, Bob and Grandpa Phil face off on the golf green, with the loser having to pay for the damage to both cars. Polishing Rhonda: Rhonda attends a finishing school after a fight with Big Patty, but is far from impressive with her stroppy attitude. Realizing her name and money will not help her, she seeks help from fellow student Big Patty, who has been excelling in the school with her politeness and humble nature.
70	11	"Weird Cousin Baby Oskar"	Christine Kolosov Frank Weiss	Michelle Lamoreaux & Steve Viksten Steve Viksten	Chris Robertson (director) Aldin Baroza & Miyuki Hoshikawa Chris Headrick & Tuck Tucker (directors) Ted Seko	October 9, 1999	413
Weird Cousin: Arnold's bland country cousin, Arnie, comes to visit. Lila immediately falls for him and them begin to spend time together, making Arnold jealous. Arnie however, has an interest in Helga. Baby Oskar: Oskar has to take care of his infant cousin-in-law (also named Oskar), while the baby's mother is away. He complains about the baby getting all of Suzie's attention, which irritates her. When she is called off to work, it is Oskar's job to look after the infant. He begins to bond with the baby, and takes matters into his own hands when the baby appears ill.
71	12	"Grandpa's Sister Synchronized Swimming"	Christine Kolosov	Craig Bartlett Joseph Purdy	Tim Parsons (director) Caesar Martinez Chris Robertson (director) Aldin Baroza & Miyuki Hoshikawa	October 16, 1999	416
Grandpa's Sister: Phil's twin sister, Mitzi (voiced by Phyllis Diller) comes for a visit, bringing along an unsettled conflict between them. Synchronized Swimming: Arnold and the gang are part of a synchronized swimming team led by Coach Wittenburg.
72	13	"Helga Sleepwalks Fighting Families"	Christine Kolosov Frank Weiss	Michelle Lamoreaux Joseph Purdy	Chris Robertson (director) Aldin Baroza & Miyuki Hoshikawa Chris Headrick (director) Ted Seko	October 23, 1999	414
Helga Sleepwalks: After eating pork rinds, Helga sleepwalks, uttering her secret about Arnold as she does so. Fighting Families: Arnold, Grandpa, Grandma, Ernie, and Mr. Hyunh compete on a game show against a "perfect" family from PS 119. Guest Star: Ryan Seacrest as Fighting Families Host
73	14	"Headless Cabbie Friday the 13th"	Christine Kolosov	Joseph Purdy Antoinette Stella	Sherm Cohen (director) Tim Parsons Mike Svayko (director) Jay Lender	October 30, 1999	406
Headless Cabbie: Arnold tells an urban legend about a decapitated taxi driver. The gang goes out, only to find the details in the story are becoming real. Friday the 13th: Arnold and Gerald try to prove superstitions are fictitious, only for it all to backfire on them.
74	15	"Veterans Day"	Christine Kolosov	Steve Viksten	Tim Parsons (director) Carson Kugler	November 6, 1999	411
Arnold's Grandpa recalls his adventures as a soldier in the Second World War, outwitting a regiment of Nazis, while Gerald's dad, Martin, remembers his own time serving in Vietnam. Gerald thinks his father is not a real hero, being just a file clerk, while Arnold believes Grandpa is telling another tall tale, especially after Grandpa is called out during his story for claiming he fought and beat up Hitler (which Grandpa does admit he made up). However, both boys are proven wrong when Arnold sees a statue dedicated to his grandpa, and a visitor from Martin's past shows up.
75	16	"Helga on the Couch"	Christine Kolosov	Craig Bartlett Craig Bartlett & Steve Viksten (story by)	Tim Parsons (director) Carson Kugler	December 4, 1999	418
A child psychiatrist, Dr. Bliss, shadows students at PS 118, quickly following Helga and noting her behavior, especially to Arnold. After punching Brainy in the face, Helga is sent to Dr. Bliss's office for an appointment. Helga confides in Dr. Bliss about her social life, family life, and her love for Arnold. Guest Star: Kathy Baker as Dr. Bliss
76	17	"Dino Checks Out"	Frank Weiss	Steve Viksten	Tuck Tucker (director) Miyuki Hoshikawa, Ted Seko & Diane Kredensor	December 11, 1999	419
Dino Spumoni is found missing and then declared dead after what appears to be a suicide attempt. but Arnold finds out that this is not the case, and he secretly lives in the boarding house, believing that his work will skyrocket in value after his "death".

Season 5 (2000–04)

The last ten episodes of this season first aired in 2002 on Ketnet in Belgium, in English with Dutch subtitles.[4][5][6][7]

No. overall	No. in season	Title	Animation Director(s)	Written by	Storyboard by	Original air date	Prod. code
77	1	"Monkeyman! Buses, Bikes, and Subways"	Frank Weiss Christine Kolosov	Craig Bartlett	Kurt Dumas (storyboard director) Caesar Martinez Chris Robertson (storyboard director) Aldin Baroza & Miyuki Hoshikawa	March 4, 2000	415
Monkeyman!: When Arnold gives the superhero Monkeyman a taste of normal life, he is far too busy to bother helping the weak and downtrodden. He realizes what he has become after Sid is mugged in front of a big party Monkeyman is attending. Buses, Bikes, and Subways: Helga and Harold must return to town on their own after the bus leaves them behind after a school trip to a chocolate factory, and Helga has tickets for a wrestling match and she cannot be late. Note: This is copyrighted 1999. Guest Star: Andy Dick as Monkey Man
78	2	"Helga's Masquerade Mr. Green Runs"	Frank Weiss	Michelle Lamoreaux Michelle Lamoreaux & Steve Viksten (story by) Joseph Purdy	Kurt Dumas (storyboard director) Caesar Martinez	March 11, 2000	417
Helga's Masquerade: Helga decides to act like Lila at Rhonda's costume party so Arnold will like her. Mr. Green Runs: Mr. Green runs for city council after his requests for a large pothole in front of his store be filled up gets ignored. Arnold becomes his campaign manager, but can a butcher win against a politician?
79	3	"Sid the Vampire Slayer Big Sis"	Christine Kolosov	Michelle Lamoreaux Michelle Lamoreaux Michelle Lamoreaux & Dawn Hershey (story by)	Kurt Dumas (storyboard director) Ted Seko	March 18, 2000	501
Sid the Vampire Slayer: Sid thinks Stinky is a vampire. Big Sis: Olga gets into a "Big Sis" program, but her "Lil' Sis" is Lila. Note: This is the first episode of the fifth season in production order.
80	4	"Bag of Money Principal Simmons"	Christine Kolosov	Steve Viksten Joseph Purdy Joseph Purdy & Robert Lamoreaux (story by)	Tim Parsons (storyboard director) Diane Kredensor	April 5, 2000	503
Bag of Money: Arnold, Sid and Gerald find a bag filled with money, though they do not know what to do with it, so Arnold is selected to hold onto it for the time being. However, when Arnold inadvertently loses the money on the way home, his friends begin to believe that he actually stole the money, so he must work to prove his innocence. Principal Simmons: When Mr. Simmons is upset that Principal Wartz is being too strict with the students, Wartz decides to resign and he selects Mr. Simmons to take his place. The newly promoted Principal Simmons decides to make massive reforms to permit the school environment to be more liberal, though will the students at P.S. 118 appreciate his authority?
81	5	"New Bully on the Block Phoebe Breaks a Leg"	Frank Weiss	Craig Bartlett Michelle Lamoreaux	Carson Kugler (storyboard director) Caesar Martinez Chris Robertson (storyboard director) Aldin Baroza	April 12, 2000	504
New Bully on the Block: The kids must face two older bullies when a new kid, Ludwig, returns from some time in juvenile hall and challenges Wolfgang for the vacant lot. Phoebe Breaks a Leg: When Phoebe breaks a leg after being hit by a bus, Helga believes it is her fault, so she starts being nice to Phoebe. When Phoebe's leg heals, she decides to stay disabled for a little longer. Note: Ludwig is voiced by Arnold's second voice actor, Phillip Van Dyke.
82	6	"Helga's Locket Sid and Germs"	Frank Weiss Christine Kolosov	Joseph Purdy Antoinette Stella	Chris Robertson (storyboard director) Aldin Baroza & Miyuki Hoshikawa Tim Parsons (storyboard director) Diane Kredensor	April 19, 2000	506
Helga's Locket: Helga inscribes her name in her Arnold locket. Arnold's grandpa gets a hold of Helga's locket. He thinks it is an anniversary gift from Grandma. So Helga must find a way to get it back before Arnold finds out her secret. Sid and Germs: Sid becomes obsessed with cleanliness after watching a film on germs. His new obsession with being clean ruins the fourth graders' chances at the Frog Catching match against the 5th graders.
83	7	"Suspended Ernie in Love"	Frank Weiss Christine Kolosov	Jonathan Greenberg Steve Viksten	Chris Robertson (storyboard director) Aldin Baroza & Miyuki Hoshikawa Tim Parsons (storyboard director) Diane Kredensor	April 26, 2000	509
Suspended: Harold gets suspended and will do anything to get back into school once he realizes being home all day is no fun. Ernie in Love: Ernie gets a crush on a tall, kind, plus-sized model named Lola. Arnold convinces him to build up courage to ask her on a date to the pier, which she accepts. After the date, she tells him she had fun, but is unsure about another date because of his height. Guest Star: Jennifer Tilly as Lola
84	8	"Parents' Day"	Larry Leichliter & Tuck Tucker	Craig Bartlett & Antoinette Stella	Sherm Cohen & Tuck Tucker (storyboard directors) Tim Parsons, Chris Robertson, Caesar Martinez & Jay Lender	December 25, 1998 (UK) May 10, 2000 (US)	320
Parents' Day: It is time for the school's annual "Parents' Day", a weekend of competition with teams of a kid and their parents. Arnold feels odd about bringing his grandparents, as they are his parents, who he has not seen since he was a baby. After Big Bob calls Arnold an "orphan boy", Arnold asks Grandpa Phil what really happened with his parents, and he finds out that they disappeared after they left the country on a plane, delivering medicine, although they might still be alive. Arnold continues on with Parent's Day, with Phil and Gertie. He realizes even though they are not his parents, they raised him and made him who he is, which is what parents do. Note: This is the last episode with Phillip Van Dyke voicing Arnold, as it was made for Season 3 but held back. It is also the final episode for the third season in production order.
85	9	"Summer Love (a.k.a. Beach Story)"	Christine Kolosov & Frank Weiss	Joseph Purdy & Michelle Lamoreaux	Chris Robertson & Kurt Dumas (storyboard directors) Aldin Baroza & Caesar Martinez	June 21, 2000	420
Summer Love (a.k.a. Beach Story): When Arnold, the boarders and the Patakis go to the beach, a girl uses Arnold to win a sandcastle competition. Ernie gets buried in the sand. Miriam and Suzie start taking dancing lessons from a handsome dance instructor named Carlos. Grandpa Phil thinks he is stuck on an island. Oskar starts using a metal detector to find "treasure". Big Bob gets a bad sunburn. Helga tries to warn Arnold that he is just being used. Guest Star: Beverly Mitchell as Summer Note: This is the last episode of the fourth season in production order.
86	10	"Stuck in a Tree The Helga Short Rhonda Goes Broke"	Christine Kolosov Frank Weiss	Joseph Purdy & Steve Viksten Robert Lamoreaux	Tim Parsons (storyboard director) Miyuki Hoshikawa & Diane Kredensor Carson Kugler (storyboard director) Caesar Martinez	January 5, 2001	505
Stuck in a Tree: Arnold gets stuck in a tree with Harold and Eugene. Rhonda Goes Broke: Rhonda's family goes broke and they move into the boarding house.
87	11	"Beaned Old Iron Man"	Frank Weiss	Michelle Lamoreaux Jonathan Greenberg	Carson Kugler (storyboard director) Caesar Martinez	January 12, 2001	507
Beaned: When Helga gets hit with a baseball during a game, she develops a case of amnesia, so Arnold stays with her all day because he feels responsible. The next day, Helga regains her memories, though, when she realizes what Arnold is doing, she decides to continue to play the part of an amnesiac in hopes of spending more time with him. Old Iron Man: Grandpa Phil and his old friend, Jimmy Kafka, have been feuding for quite some time, as their friendship fell apart years ago. However, they still attempt to compete with one another as they each believe they are the better individual; though when both men decide to enter the extremely dangerous Old Iron Man triathlon, Arnold attempts to put an end to their feud, as he does not believe they should risk their lives over something so trivial. Guest Star: Richard Mulligan as Jimmy Kafka
88	12	"Arnold Visits Arnie Chocolate Boy"	Christine Kolosov Frank Weiss	Michelle Lamoreaux Joseph Purdy Steve Viksten & Joseph Purdy (story by)	Aldin Baroza (storyboard director) Ted Seko Chris Robertson (storyboard director) Miyuki Hoshikawa & Sherm Cohen	January 26, 2001	510
Arnold Visits Arnie: Arnold visits his cousin, Arnie, whose friends look remarkably familiar to Arnold's. Arnie's flirtatious girlfriend, Lulu (who looks like Lila), takes a special interest in Arnold, while Arnold falls for a kind girl named Hilda (who looks like Helga), who likes Arnie. Chocolate Boy: After winning a bet against Wolfgang, Chocolate Boy wants to give up chocolate after realizing he is willing to be humiliated to get chocolate. Arnold helps Chocolate Boy, realizing chocolate is his coping mechanism when his nanny left for a far, far away place (Delaware) and a bag of chocolate was her last gift to him.
89	13	"Harold vs. Patty Rich Guy"	Christine Kolosov	Michelle Lamoreaux Robert Lamoreaux (story by) Joseph Purdy	Tim Parsons (storyboard director) Kelly James Carson Kugler (storyboard director) Diane Kredensor & Caesar Martinez	January 17, 2002 (Canada) February 3, 2002 (US)	511
Harold vs. Patty: P.S. 118 is having an arm wrestling contest, but Harold get humiliated when he loses to Patty before the contest, so he asks Patty for some pointers on winning. Rich Guy: After Arnold saves the life of a rich man, the man invites Arnold and Grandpa Phil to his house. He tells Arnold that he wishes Arnold was the son he never had, but he really does have a son, but they share nothing in common. Guest Star: Fred Willard as Sammy Redmond
90	14	"April Fool's Day"	Raymie Muzquiz & Tuck Tucker	Craig Bartlett, Michelle Lamoreaux & Joseph Purdy	Miyuki Hoshikawa & Tim Parsons	April 1, 2002	518
April Fool's Day: Arnold is sick and tired of everybody performing their April Fools jokes on him (especially Helga), so he tries one of his own, but it backfires when it temporarily blinds Helga. Note: This is copyrighted 2001.
91	15	"Gerald's Game Fishing Trip"	Frank Weiss	Joseph Purdy Joseph Purdy & Steve Viksten	Carson Kugler (storyboard director) Caesar Martinez Chris Robertson (storyboard director) Aldin Baroza & Miyuki Hoshikawa	January 7, 2002 (Canada) April 27, 2002 (US)	502
Gerald's Game: Gerald is involved with his new favorite game, which Arnold dislikes. Fishing Trip: Arnold, Gerald, Harold, Sid and Eugene go on a fishing trip with their fathers and Phil. Guest Star: Davy Jones as himself Note: This episode first aired on Ketnet in Belgium.
92	16	"Married"	Frank Weiss	Steve Viksten	Aldin Baroza (storyboard director) Kelly James & Ted Seko	January 24, 2002 (Canada) April 15–16, 2002 (Belgium)[6] May 11, 2002 (US)	516
Married: Rhonda uses a folding paper fortune teller to see who will marry who, and Arnold and Helga get paired up, causing them to both dream what life would be like married to each other. Helga dreams of a fabulous life, becoming the president with Arnold by her side, as Lila becomes jealous of their life. Arnold has a nightmare, dreaming of him being overworked and Helga doing nothing to help around the house or with their future children, and she still continues to be mean to him.
93	17	"On the Lam Family Man"	Christine Kolosov Frank Weiss	Jonathan Greenberg Steve Viksten	Aldin Baroza (storyboard director) Ted Seko Chris Robertson (storyboard director) Miyuki Hoshikawa	January 21, 2002 (Canada) April 5–8, 2002 (Belgium)[7] June 1, 2002 (US)	513
On the Lam: Stinky, Harold and Sid are on the run after they think they blew up the police station. Family Man: Mr. Hyunh has Arnold pretending to be his son, Suzie as his wife, and Phil and Gertie as his parents for his new employer in order to get a promotion, as his new boss loves families. Mr Hyunh does not want to reveal he only has his daughter and lose the promotion to his co-worker, who has a wife and children
94	18	"The Racing Mule Curly's Girl"	Christine Kolosov	Steve Viksten, Joseph Purdy, Craig Bartlett & Michelle Lamoreaux Michelle Lamoreaux & Steve Viksten (story by) Michelle Lamoreaux & Joseph Purdy Michelle Lamoreaux, Steve Viksten & Joseph Purdy (story by)	Aldin Baroza (storyboard director) Ted Seko Tim Parsons (storyboard director) Kelly James	January 18, 2002 (Canada) April 3–4, 2002 (Belgium) January 11, 2004 (first segment) October 14, 2002 (second segment)(US)	512
The Racing Mule: Mr. Hyunh, Oskar and Ernie buy a race horse, or so they think. Curly's Girl: Curly gets Rhonda to act like his girlfriend after she spills caramel on her mother's birthday present – a fur coat – that she wore to a party without her parent's knowing. He opens up his parent's dry-cleaners to fix it, as long as she publicly acts like his girlfriend for one week.
95 96	19 20	"The Journal"	Raymie Muzquiz	Craig Bartlett, Michelle Lamoreaux & Joseph Purdy	Ron Brewer, Miyuki Hoshikawa, Tim Parsons, Stephen Sandoval, Dave Smith & Ted Seko	June 27, 2002 (Canada) April 23–26, 2002 (Belgium) November 11, 2002 (US)	519–520
The Journal: Arnold finds a journal describing the adventures of his parents in the jungle, their marriage, Arnold's birth, and other details of their life. On the final page, it contains a map showing where they had to go after they left him to deliver medicine to the people of the jungle. Note: This is copyrighted 2001. Last episode produced; originally designed as a cliffhanger as a lead-in to "The Jungle Movie", a theatrical feature that was cancelled and years later revived as a two-part television movie.[8] Note: This episode also exists in a full 47-minute version.
97	21	"Timberly Loves Arnold Eugene, Eugene!"	Frank Weiss Christine Kolosov	Craig Bartlett Craig Bartlett & Michelle Lamoreaux	Chris Robertson (storyboard director) Caesar Martinez Chris Robertson (storyboard director) Tim Parsons & Steve Lowtwait	January 25, 2002 (Canada) April 17–18, 2002 (Belgium) January 28, 2003 (US)	517
Timberly Loves Arnold: Arnold lets Timberly tag-along when he and Gerald go out to play ball, causing Timberly to have a crush on Arnold. She makes Lila start to like Arnold because he has been helping Timberly. Eugene, Eugene!: Eugene gets the lead role in the school musical "Eugene, Eugene". But the play director changes the final part, where Eugene gets the girl (played by Lila) and is a hero, and kills off his character, removing the most popular song in the play, "Sunny Side Up", instead giving a song to the villain (played by Arnold), "Nice Guys Finish Last". Note: This is the final episode where Spencer Klein and Sam Gifaldi voice Arnold and Sid before the first movie officially began production. Alex D. Linz and Sam's younger brother, Taylor Gifaldi, voiced their respective characters from the last two episodes from the fifth season starting with April Fool's Day until The Journal which were the last two episodes made for the series in 2001.
98	22	"Ghost Bride Gerald vs. Jamie O"	Christine Kolosov	Steve Viksten Michelle Lamoreaux	Tuck Tucker & Kurt Dumas (storyboard directors) Ted Seko Aldin Baroza (storyboard director) Ted Seko	May 27, 2002 (Canada) November 11, 2003 (US)	508
Ghost Bride: Gerald tells the story of the Ghost Bride, Cynthia Snell, and how she brutally murdered her fiance after he left her waiting at the altar and married her sister, who she also murdered. When the police came to the scene, she was still there, sitting in a rocking chair, in her wedding gown, tossing rice on the bodies as she hummed the 'Wedding March'. She also happens to be buried in the cemetery near the gang's neighborhood, and supposedly comes back from the dead every anniversary of the murders. Arnold, Gerald, Eugene, Harold, Sid, and Stinky are scared twice by Helga and Curly, each pretending to be the Ghost Bride (Helga because she wanted to get back at the boys for not inviting her, and Curly because he was jealous he did not get to tell a ghost story). At the end, the real Cynthia Snell finally appears. Gerald vs. Jamie O: Gerald gets jealous because he thinks Jamie O. is trying to steal the girl he likes, when, actually, the girl likes Jamie O, and using Gerald to get close to him. Note: This episode first aired on Ketnet in Belgium.
99	23	"A Day in the Life of a Classroom Big Bob's Crisis"	Frank Weiss	Joseph Purdy Joseph Purdy & Michelle Lamoreaux	Carson Kugler (storyboard director) Caesar Martinez Chris Robertson (storyboard director) Caesar Martinez	January 23, 2002 (Canada) April 11–12, 2002 (Belgium)[4][5] November 15, 2003 (US)	515
A Day in the Life of a Classroom: After Mr. Simmons wins an award, a TV station does a documentary on how he teaches. Big Bob's Crisis: After Big Bob has a heart attack (or so he thinks, it is revealed to be gas after eating a double-order of ribs), he tries to become nicer. He takes it too far, building a hut outside to meditate in, selling all their appliances and possessions, and getting Miriam and Olga into his ways when they try to talk to him about it. Things get worse when Bob announces they're selling the house and walking barefoot to Oregon to join a commune. It is up to Helga to convince him to change his ways and go back to being the dad she knew before.
100	24	"Phoebe's Little Problem Grandpa's Packard"	Christine Kolosov Frank Weiss	Michelle Lamoreaux & Steve Viksten Craig Bartlett & Joseph Purdy	Tim Parsons (storyboard director) Kelly James Carson Kugler (storyboard director) Caesar Martinez & Diane Kredensor	January 22, 2002 (Canada) April 9–10, 2002 (Belgium) June 8, 2004[9] (US)	514
Phoebe's Little Problem: Phoebe is embarrassed after she farts into a microphone in front of a huge audience. Grandpa's Packard: Grandpa's Packard is stolen from an antique car show.

Theatrical film (2002)

Title	Directed by	Written by	Storyboarded by	Release date (U.S.)
Hey Arnold!: The Movie	Tuck Tucker	Craig Bartlett & Steve Viksten	Tim Parsons, Carson Kugler, Chris Robertson & Aldin Baroza (storyboard directors) Miyuki Hoshikawa, Diane Kredensor, Caesar Martinez & Ted Seko	June 28, 2002
Arnold, Gerald and Helga try to save their neighborhood from an evil businessman named Scheck who is trying to demolish their neighborhood to put up a shopping mall.

Television film (2017)

Title	Directed by	Written by	Storyboarded by	Original air date (U.S.)
Hey Arnold!: The Jungle Movie	Raymie Muzquiz Stu Livingston (co-director)	Craig Bartlett, Joe Purdy, Laura Sreebny & Justin Charlebois	Miyuki Hoshikawa, Kahee Lim, Steve Lowtwait, Rufino Roy Camacho II, Abby Davies & Jessie Wong	November 24, 2017
Arnold's class wins a field trip to San Lorenzo, the location of his missing parents. He uses this opportunity to get answers and try to find out what happened to them.[10]

References

1. "Hey Arnold! - Nickelodeon Animation Studio". Nickanimationstudio.com. Retrieved July 19, 2016.
2. "Hey Arnold! - Nickelodeon Animation Studio". Nickanimationstudio.com. Retrieved July 19, 2016.
3. "Hey Arnold! Episodes". TVGuide.com. CBS Interactive Inc. Retrieved 19 December 2013.
4. "TV Programs - Ketnet". Euro TV, VRT. Archived from the original on 15 April 2002. Retrieved 23 July 2017.
5. "TV Programs - Ketnet". Euro TV, VRT. Archived from the original on 18 April 2002. Retrieved 23 July 2017.
6. "TV Programs - Ketnet". Euro TV, VRT. Archived from the original on 18 April 2002. Retrieved 23 July 2017.
7. "TV Programs - Belgische (Vlaamse) zenders". Euro TV, VRT. Archived from the original on 9 April 2002. Retrieved 23 July 2017.
8. Los Angeles Times (23 November 2015). "Nickelodeon developing 'Hey Arnold!' TV movie". latimes.com. Retrieved 2 January 2016.
9. "Hey Arnold! - Nickelodeon Animation Studio". Nickanimationstudio.com. Retrieved July 19, 2016.
10. Swift, Andy. "Hey Arnold: The Jungle Movie Greenlit at Nickelodeon, Series Creator Confirms". TVLine.com. Retrieved 7 March 2016.

External links

• at IMDb