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…

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…

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…

After creating an idea for a parade float, Arnold is confident of it showing up in a parade.

Rhonda and Nadine fall out over working on a project at school, leaving Arnold to work with both of them separately.

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…

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…

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…

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…

Arnold and Gerald bunk off school, but their day is ruined by their fear of being found out.

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…

Arnold and Gerald send the neighborhood alien crazy as they broadcast a mock Halloween radio show.

After Arnold saves Sid from an injury, Sid devotes himself to paying Arnold back with unending kindness.

Arnold and Gerald do a spot of fishing, determined to catch the pond’s biggest fish, the legendary “Big Caesar”.

Gerald and Arnold get on the case when Timberly loses her Barney-esque doll.

The new girl is teased at school by Helga and the other girls, but she’s soon accepted by everyone.

After Arnold accidentally kills Eugene’s fish with a yo-yo, he must do something to make up for it.

An organ grinder’s monkey kisses Helga, who’s convinced she has caught ‘monkeynucleosis’.

Arnold and Gerald compete against Helga for the school newspaper.

When Harold is walking in the street, he finds a kitty that belongs to an old lady and he takes it, but then everybody appears, and Harold has to surrender…

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…

Helga drinks a potion to lose all feelings for Arnold.

Gerald’s secret is revealed; he doesn’t know how to ride a bike, so Arnold teaches him how.

Arnold and the gang must stop Big Bob from chopping down the oldest tree in town.

When the kids make their new teacher, Mr. Simmons, quit his job, the replacement makes them realize what they lost.

Oskar gets kicked out of Suzie’s room when they get into an argument, so Arnold tries to get them back together when Oskar moves into Arnold’s room.

While Helga tries to find the perfect gift for Arnold, Arnold tries to find Mr Hyunh’s long-lost daughter.

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’s Helga in disguise) –…

Grandpa, Arnold, and Gerald are all going on an old fashioned camping trip… until Big Bob, Helga, and Phoebe show up with luxurious camping equipment.

All of the boarders get very curious to what is inside the very personal Mr. Smith’s package.

Arnold attempts to do something that no other kid has done before – completing the entire list of a kid’s perfect Saturday! But, unfortunately, things don’t go quite to plan.

When the kids complain of being bored, Grandpa tells the story of the Haunted Train. So, the kids decide to go and see if the train exists for themselves.

When Arnold gets mugged in the street, Grandma teaches him how to defend himself, but the training and fighting starts to get to his head.

At the Annual Cheese Fair, Helga tries her best to keep Arnold well away from Ruth – a girl who Arnold has a crush on.

Arnold and friends decide to clear out a vacant lot to play baseball on, but the adults take over it, and use it for their own reasons.

Arnold has a really bad day – the city is suffering from a heatwave, and whatever he does, Arnold just can’t seem to get cool.

Snow hits the city and Arnold can’t wait to get out and have some fun… but wait, there’s chores to be done… and when there done Arnold has the time…

Two girls from the sixth grade who are tired of the way that their boyfriends treat them, decide to take Arnold and Gerald to the school dance, but only to…

Arnold’s favorite baseball player is playing his last game, so he decides to go and see his last game. The only problem is that he winds up with terrible seats.

Arnold’s hat lands on the stoop of “Stoop Kid,” – a bully who has lived his whole life on his stoop, and is highly protective of it. But, when it’s…