When Arnold accidentally ruins Eugene's new bike, he takes Eugene out on a day of fun, thinking that...

When Helga loses her pink book, full of love poems about Arnold on the bus, it ends up in Arnold's h...

The kids are really looking forward to their field trip to the aquarium - especially when they remem...

An obsessed Helga steals Arnold's hat to complete her shrine to Arnold, which is hidden in the back ...

Arnold's hat lands on the stoop of "Stoop Kid," - a bully who has lived his whole life on his stoop,...

Helga is annoyed when Rhonda doesn't invite her to her slumber party - everybody assumes that "girly...

Arnold is asked by his Grandma to help save an old building, and then asked by Ernie to help knock t...

Two girls from the sixth grade who are tired of the way that their boyfriends treat them, decide to ...

Arnold's favorite baseball player is playing his last game, so he decides to go and see his last gam...

Arnold has a really bad day - the city is suffering from a heatwave, and whatever he does, Arnold ju...

Snow hits the city and Arnold can't wait to get out and have some fun... but wait, there's chores to...

At the Annual Cheese Fair, Helga tries her best to keep Arnold well away from Ruth - a girl who Arno...

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

Arnold attempts to do something that no other kid has done before - completing the entire list of a ...

When the kids complain of being bored, Grandpa tells the story of the Haunted Train. So, the kids de...

When Arnold gets mugged in the street, Grandma teaches him how to defend himself, but the training a...

Grandpa, Arnold, and Gerald are all going on an old fashioned camping trip... until Big Bob, Helga, ...

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

Oskar gets kicked out of Suzie's room when they get into an argument, so Arnold tries to get them ba...

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

Arnold has trouble with the basketball coach and his favored son.

An older cool guy befriends Arnold, but Arnold realizes that he is really a shoplifter.

Arnold and the gang have no choice but to take the subway home after dark.

Arnold and the gang set out on a quest to find the hidden treasure of the mysterious "Wheezin' Ed" o...

Arnold is given the assignment to tutor Torvald, the meanest, toughest kid in Arnold's math class, f...

Gerald goes to Arnold's place to meet the other residents.

Arnold and Helga compete on a Spelling Bee contest.

When Arnold's pigeon gets sick, he takes it to "Pigeon Man", a person surrounded by pigeons who live...

Helga decides to give her talented sister Olga a taste of reality by changing her grade in her repor...

Arnold and Gerald must turn off all the lights in the city if they want to see Sally's Comet.

Arnold must find a way to recover his pig pet Abner after he runs away.

Arnold loses Grandpa's watch inside the sewers, so he must retrieve from The Sewer King.

Eugene is accused of pulling the fire alarm. In the school court, the jury thinks Eugene is guilty e...

The kids try to get in the book of world records so much that they would do anything, including most...

Arnold has a magic show and he makes a disappearing act and uses Helga as the person disappearing. H...

Arnold hits Harold with a baseball, so Harold promises Arnold that he'll beat him the next day.

On Valentine's Day, Arnold manages to arrange two dates; one with Ruth, the sixth grader he likes, a...