Sid pretends that Arnold's room is his, since he's ashamed of showing his real room to Lorenzo.

Arnold's Room

Phillip Van Dyke

Francesca Marie Smith

Jamil Walker Smith

Dan Castellaneta

Tuck Tucker

Joe Purdy

Helga vs. Big Patty

Gerald's Tonsils

While feeling the effects of laughing gas, Helga leaves a confessional message of love on Arnold's phone machine. She then has to get into the boarding house in order to erase the message.

Helga Blabs It All

As punishment for shoplifting a ham, Harold is forced to work for Mr. Green at his butcher shop for a week. Later, after his work shift to pay for it is over, he soon learns that he actually likes his new after-school job and doesn't want to stop working there, much to the dismay of Mr. Green.

Harold the Butcher

Arnold becomes a hot (and dangerous) hitter. He keeps injuring people everytime he swings the bat. Afraid of hurting more people, Arnold refuses to play ball. Mickey Kaline helps him out.

Dangerous Lumber

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.

Mr. Hyunh Goes Country

Grandpa becomes tired of dealing with the boarding house and decides to sell. Arnold has to convince him how important it is for everyone to remain in the boarding house and what they would lose if it was sold.

Casa Paradiso

Gerald's voice is deepened after having his tonsils out, just a few days before the school recital.

Patty challenges Helga to a fight after Helga gets on her last nerves by picking on her once too many.

Stinky's simple life changes after he becomes the surprise new spokesman for Ya-Hoo Soda.

Stinky Goes Hollywood

Olga gets engaged to a con man 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.

Olga Gets Engaged

Curly gets enraged after a minor playground mix up. He locks himself in the principal's office and refuses to come out.

Curly Snaps

Phoebe wins a chance to meet her favorite singer, only to find out that he doesn't write or sing his own songs.

Preteen Scream

Grandpa thinks he's going to die soon because no one in his family ever made it past his age. He prepares to die, and Arnold tries to convince him that life is still worth living.

Grandpa's Birthday

When Bob has to go to a business meeting, Miriam and Helga are forced to go on the family road trip by themselves.

Road Trip

Principal Wartz gives Sid a detention believeing he placed fake vomit so he could trip over, even though it wasn't Sid who put it there. As a result, Sid seeks revenge and reates ""Revenge Doll"" of Wartz's face, like they do in tribes. He thinks he killed Wartz with the curse. Arnold thinks he's paranoid, even though there are a few clues hinting out that Wartz is dead.

Sid's Revenge

A roller coaster breaks down while Eugene and Arnold are at the top of its tallest drop.

Roller Coaster

After the results of an aptitude test are announced, Harold gains self-confidence and Helga feels dumber.

The Aptitude Test

Oskar gets a job as a newspaper carrier but uses Arnold as cover for his laziness.

Oskar Gets a Job

Arnold finds out Iggy wears bunny pajamas with feet in them, and Arnold accidentially spills the beans to Sid and Stinky, ruining Iggy's cool image.

Arnold Betrays Iggy

Bob hires a nanny to help Miriam around the house, much to Helga's dismay. From this moment on, Helga attempts to scare the nanny away.

Helga and the Nanny

A. All the kids are paired with adults with interesting jobs except Arnold, who is forced to spend time with the Jolly Olly, the Ice Cream Man.

Career Day

Harold is invited to Rhonda's party and befriends the female bully, Big Patty.

Hey Harold!

The Coach wants to remarry Tish and asks Arnold to be his best man. Along the way, Arnold teaches the coach a thing or two about love and sacrifice.

Best Man

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.

Cool Party

Helga, lost in a love reverie, writes 'Arnold loves Helga' on a wall, but changes the name to 'Lila' when the kids approach. Lila thinks that Arnold loves her until he explains the mistake. Then he falls for Lila and she is forced to break up with him.

Arnold & Lila

The kids compete in a grand prix race against each other.

Grand Prix

Arnold and Helga both think they are having the worst Thanksgivings ever. Arnold's Family are celebrating President's Day, and Olga is at the Pataki house. When Arnold and Helga go to Mr. Simmons' house, they discover he has a obnoxious family, so they think their families aren't so bad after all.

Arnold's Thanksgiving

Helga tells jokes about her classmates, who take offense to it.

Helga's Show

The town is flooded and Arnold's class is trapped in the school.

The Flood

P.S. 118 is holding a Spelling Bee, and Helga wants to win one trophy to get out of Olga's shadow, but Pheobe has to back out of the competition for Helga to make it.

Phoebe Takes the Fall

Arnold, Grandpa, and friends reenact the Pig War.

The Pig War

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.

Part Time Friends

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.

Biosquare

Arnold has to do a book report, and he decides to do it on his favorite author, Agitha Cawfield, but he sees her bad side when she is very crabby &amp; rude to him.

Crabby Author

Lorenzo, a neurotic rich kid, comes to P.S. 118. All the kids try to help him become an average kid.

Rich Kid

Arnold snaps at school after Helga tries his patience once too often.

Girl Trouble

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.

School Dance

The school is doing the play "Romeo and Juliet". Arnold lands the role as Romeo so Helga will do anything to beat out other girls to get the part of Juliet, so that she can kiss Arnold in the final scene.

School Play

The daily life of Arnold--a fourth-grader with a wild imagination, street smarts and a head shaped like a football.

Arnold's Room

Seasons5

Season 3 Episodes38

Cast4

Crew2

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Episode Summary