Hey Arnold!: Season 4
1999 · 31 episodes · ★ 7.0
What Season 4 of Hey Arnold!
Season 4 of Hey Arnold! has 31 episodes and premiered on March 10, 1999. Here's the complete episode guide with air dates, runtimes and ratings.
Season 4 Episodes
4x01 Full Moon
Harold, Sid, and Stinky all moon Principal Wartz, but Arnold is blamed, even though he was just an innocent bystander.
Directed by: Frank Weiss, Mario Piluso · Written by: Steve Viksten · Starring: Sam Gifaldi, David Wohl
4x02 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.
Directed by: Frank Weiss, Chris Headrick · Written by: Steve Viksten, Michelle Lamoreaux · Starring: Maurice LaMarche, Kath Soucie, Nika Futterman, Dan Butler
4x03 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.
Directed by: Christine Kolosov, Tim Parsons · Written by: Joe Purdy · Starring: Sam Gifaldi, Josh Ryan Evans, Kyle Gibson, Cameron Van Hoy
4x04 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.
Directing: Christine Kolosov, Mike Svayko · Writing: Michelle Lamoreaux · Starring: Phil LaMarr, Candi Milo, Anndi McAfee
4x05 Eugene's Birthday
After losing Eugene's birthday party invitations, Arnold feels obliged to throw him another party, but it doesn't work out.
Directed by: Sherm Cohen, Christine Kolosov · Written by: Craig Bartlett · Starring: Ben Diskin, Sam Gifaldi, Lou Rawls, Jordan Warkol
4x06 Stinky's Pumpkin
Stinky grows a huge pumpkin to enter in a city competition.
Directed by: Frank Weiss, Mario Piluso · Written by: Joe Purdy · Starring: Dom Irrera, Dan Butler, Maurice LaMarche, Maria Bamford
4x07 The Beeper Queen
After Bob pops his spine, Miriam runs Big Bob's Beepers. She gets in over her head and forgets about her family.
Directing: Frank Weiss, Chris Headrick · Writing: Michelle Lamoreaux · Starring: Anndi McAfee, Maurice LaMarche, Kath Soucie
4x08 Oskar Can't Read?
Arnold finds out that Oskar is illiterate and tries to teach him to read.
Directed by: Frank Weiss, Chris Headrick · Written by: Joe Purdy · Starring: Dom Irrera, Mary Scheer, Jordan Warkol, Baoan Coleman
4x09 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.
Directed by: Frank Weiss, Chris Headrick · Written by: Steve Viksten · Starring: Haley Joel Osment, Adam Wylie, Michael McKean, Kathie Lee Gifford
4x10 Phoebe Skips
Phoebe is promoted to the sixth grade, but realizes that her new so-called "friends" are just using her to do their homework.
Directing: Christine Kolosov, Mike Svayko · Writing: Michelle Lamoreaux · Starring: Henry Gibson, Zelda Rubinstein
4x11 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.
Directing: Frank Weiss, Kurt Dumas · Writing: Antoinette Stella · Starring: Maurice LaMarche, Kath Soucie, Dan Butler, Ashley Buccille
4x12 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.
Directed by: Christine Kolosov, Mike Svayko · Written by: Craig Bartlett · Starring: James Keane, Avriel Epps, Lou Rawls
4x13 Love and Cheese
Helga tries to separate Arnold from Lila while at the annual Cheese Fair.
Directed by: Frank Weiss, Mario Piluso · Written by: Steve Viksten
4x14 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.
Directed by: Christine Kolosov, Chris Robertson · Written by: Steve Viksten
4x15 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.
Directing: Frank Weiss, Mario Piluso · Writing: Craig Bartlett
4x16 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.
Written by: Steve Viksten, Michelle Lamoreaux, Celia Bonaduce
4x17 It Girl
Helga becomes a model, but she quits after she gets irritated at everyone dressing like her.
Directing: Christine Kolosov, Tim Parsons · Writing: Jonathan Greenberg
4x18 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.
Directed by: Frank Weiss, Chris Headrick · Written by: Michelle Lamoreaux
4x19 Grudge Match
After getting in a car accident, Bob and Grandpa face off on the golf green, with the loser having to pay for the damage to both cars.
Directed by: Kurt Dumas · Written by: Joe Purdy
4x20 Polishing Rhonda
Rhonda attends a finishing school, but is far from impressive with her stroppy attitude, and seeks help from fellow student Big Patty.
4x21 Weird Cousin
Arnold's bland country cousin, Arnie, comes to visit. Arnold begins to notice that Arnie and Lila show interest in each other, making him jealous.
4x22 Baby Oskar
Oskar has to take care of his infant cousin-in-law (also named Oskar), while both Susie and her cousin are gone.
4x23 Grandpa's Sister
Phil's twin sister comes for a visit, bringing along an unsettled conflict between them.
Starring: Phyllis Diller
4x24 Synchronized Swimming
Arnold and the gang are part of a synchronized swimming team led by Coach Wittenburg.
4x25 Helga Sleepwalks
After eating pork rinds, Helga sleepwalks, uttering her secret about Arnold as she does so.
4x26 Fighting Families
Arnold, Grandpa, Grandma, Ernie, and Mr. Hyunh compete on a game show against a "perfect" family from PS 119
4x27 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.
4x28 Friday the 13th
Arnold and Gerald try to prove superstitions are fictitious, only for it all to backfire on them.
4x29 Veterans Day
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.
4x30 Helga on the Couch
Helga confides in the school psychiatrist about her social life, family life, and her love for Arnold.
4x31 Dino Checks Out Season Finale
Dino Spumoni is found missing and then declared dead after what appears to be a suicide attempt. but Arnold finds out that this isn't the case, and he secretly lives in the boarding house, believing that his work will skyrocket in value after his "death".
Starring: Michael Levin
Season 4 Cast
Spencer KleinArnold (voice)31 episodes
Francesca Marie SmithHelga Pataki (voice)31 episodes
Jamil Walker SmithGerald Johanssen (voice)31 episodes
Justin ShenkarowHarold Berman (voice)31 episodes
Kath SoucieMiriam Pataki (voice)3 episodes
Dan ButlerMr. Simmons (voice)3 episodes
Dom IrreraGuard / Mr. Feltz (voice)3 episodes
Lou RawlsHarvey / Pop Daddy (voice)2 episodes
Jordan WarkolChocolate Boy (voice)2 episodes
Haley Joel OsmentEpisode 1
Henry GibsonEpisode 1
Kathie Lee GiffordEpisode 1
Anndi McAfeePhoebe Heyerdahl / Clerk (voice)Episode 1
James KeaneMr. Green (voice)Episode 1All Seasons
Season 11996 · 38 ep. · ★ 7.4
Season 21997 · 37 ep. · ★ 7.2
Season 31998 · 38 ep. · ★ 6.8
Season 52001 · 42 ep. · ★ 6.9Where to Watch Season 4 of Hey Arnold!
It is currently not available on the major streaming platforms.
Frequently Asked Questions
How many episodes are in Hey Arnold! Season 4?
Season 4 of Hey Arnold! has 31 episodes.
When Did Season 4 of Hey Arnold! Air?
It premiered on March 10, 1999.
Where to Watch Hey Arnold! Season 4
Currently not available on the major subscription platforms (availability may vary by country).