Hey Arnold! - Season 4
Run Time: 12 mins
Air Date: Wed, 10 Mar 1999
Average Rating: ⭐ 8 (939 votes)
Nickelodeon31 Episodes
Full Moon
Season 4 - Episode 1
Harold, Sid, and Stinky all moon Principal Wartz, but Arnold is blamed, even though he was just an innocent bystander.
Student Teacher
Season 4 - Episode 2
Helga's sister Olga comes home for spring break and becomes a classroom aid in Helga's class, much to Helga's chagrin.
Big Gino
Season 4 - Episode 3
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...
Jamie O in Love
Season 4 - Episode 4
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 ...
Eugene's Birthday
Season 4 - Episode 5
After losing Eugene's birthday party invitations, Arnold feels obliged to throw him another party, but it doesn't work out.
Stinky's Pumpkin
Season 4 - Episode 6
Stinky grows a huge pumpkin to enter in a city competition.
The Beeper Queen
Season 4 - Episode 7
After Bob pops his spine, Miriam runs Big Bob's Beepers. She gets in over her head and forgets about her family.
Oskar Can't Read?
Season 4 - Episode 8
Arnold finds out that Oskar is illiterate and tries to teach him to read.
Dinner for Four
Season 4 - Episode 9
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...
Phoebe Skips
Season 4 - Episode 10
Phoebe is promoted to the sixth grade, but realizes that her new so-called "friends" are just using her to do their homework.
Helga's Parrot
Season 4 - Episode 11
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 u...
Chocolate Turtles
Season 4 - Episode 12
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 ...
Love and Cheese
Season 4 - Episode 13
Helga tries to separate Arnold from Lila while at the annual Cheese Fair.
Weighing Harold
Season 4 - Episode 14
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...
Back to School
Season 4 - Episode 15
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
Season 4 - Episode 16
Arnold and Helga must care for an egg for a school project about parenting. Meanwhile, Rhonda and Harold are project partners and must also ...
It Girl
Season 4 - Episode 17
Helga becomes a model, but she quits after she gets irritated at everyone dressing like her.
Deconstructing Arnold
Season 4 - Episode 18
Arnold's classmates are tired of constantly telling them the right thing to do, so he stops giving them advice. Nevertheless, when his class...
Grudge Match
Season 4 - Episode 19
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.
Polishing Rhonda
Season 4 - Episode 20
Rhonda attends a finishing school, but is far from impressive with her stroppy attitude, and seeks help from fellow student Big Patty.
Weird Cousin
Season 4 - Episode 21
Arnold's bland country cousin, Arnie, comes to visit. Arnold begins to notice that Arnie and Lila show interest in each other, making him je...
Baby Oskar
Season 4 - Episode 22
Oskar has to take care of his infant cousin-in-law (also named Oskar), while both Susie and her cousin are gone.
Grandpa's Sister
Season 4 - Episode 23
Phil's twin sister comes for a visit, bringing along an unsettled conflict between them.
Synchronized Swimming
Season 4 - Episode 24
Arnold and the gang are part of a synchronized swimming team led by Coach Wittenburg.
Helga Sleepwalks
Season 4 - Episode 25
After eating pork rinds, Helga sleepwalks, uttering her secret about Arnold as she does so.
Fighting Families
Season 4 - Episode 26
Arnold, Grandpa, Grandma, Ernie, and Mr. Hyunh compete on a game show against a "perfect" family from PS 119
Headless Cabbie
Season 4 - Episode 27
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
Season 4 - Episode 28
Arnold and Gerald try to prove superstitions are fictitious, only for it all to backfire on them.
Veterans Day
Season 4 - Episode 29
Arnold's Grandpa recalls his adventures as a soldier in the Second World War, outwitting a regiment of Nazis, while Gerald's dad, Martin, re...
Helga on the Couch
Season 4 - Episode 30
Helga confides in the school psychiatrist about her social life, family life, and her love for Arnold.
Dino Checks Out
Season 4 - Episode 31
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 ca...