Season 3 (Production order)
37 Episodes
Taken from https://nickelodeon.fandom.com/wiki/Hey_Arnold!_episode_list
After the results of an aptitude test are announced, Harold gains self-confidence and Helga feels dumber.
Read MoreOskar gets a job as a newspaper carrier but uses Arnold as cover for his laziness.
Read MoreCurly gets enraged after a minor playground mix up. He locks himself in the principal's office and refuses to come out.
Read MorePhoebe wins a chance to meet her favorite singer, only to find out that he doesn't write or sing his own songs.
Read MoreStinky's simple life changes after he becomes the surprise new spokesman for Ya-Hoo Soda.
Read MoreOlga 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.
Read MoreArnold 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 & rude to him.
Read MoreWhile 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.
Read MoreAs 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.
Read MoreArnold 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.
Read MoreBob 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.
Read MoreArnold 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.
Read MoreMr. 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.
Read MoreSid pretends that Arnold's room is his, since he's ashamed of showing his real room to Lorenzo.
Read MorePatty challenges Helga to a fight after Helga gets on her last nerves by picking on her once too many.
Read MoreA. 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.
Read MoreHarold is invited to Rhonda's party and befriends the female bully, Big Patty.
Read MoreGrandpa 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.
Read MoreGerald's voice is deepened after having his tonsils out, just a few days before the school recital.
Read MoreP.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.
Read MoreArnold, Grandpa, and friends reenact the Pig War.
Read MoreRhonda 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.
Read MorePrincipal 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.
Read MoreA roller coaster breaks down while Eugene and Arnold are at the top of its tallest drop.
Read MoreGrandpa 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.
Read MoreHelga, 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.
Read MoreThe kids compete in a grand prix race against each other.
Read MoreArnold 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.
Read MoreArnold snaps at school after Helga tries his patience once too often.
Read MoreArnold 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.
Read MoreHelga tells jokes about her classmates, who take offense to it.
Read MoreThe 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.
Read MoreArnold asks Grandpa what really happened with his parents, and he finds out that they disappeared after they left the country on a plane, although they might still be alive.
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