37 episodesFirst aired 22 September 1997
E1Sept 199711m
Arnold and the gang must stop Big Bob from chopping down the oldest tree in town.
E2Sept 199711m
When the kids make their new teacher, Mr. Simmons, quit his job, the replacement makes them realize what they lost.
E3Sept 199711m
Helga drinks a potion to lose all feelings for Arnold.
E4Sept 199711m
Gerald's secret is revealed; he doesn't know how to ride a bike, so Arnold teaches him how.
E5Sept 199711m
Arnold and Gerald compete against Helga for the school newspaper.
E6Sept 199711m
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 the kitty to the old lady.
E7Oct 199711m
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 a run for it. As more people are thrown into trash cans and the fifth graders know all the routes, Arnold and Gerald find out eluding the fifth graders is harder that they thought.
E8Oct 199711m
After Arnold accidentally kills Eugene's fish with a yo-yo, he must do something to make up for it.
E9Oct 199711m
An organ grinder's monkey kisses Helga, who's convinced she has caught 'monkeynucleosis'.
E10Oct 199711m
Arnold and Gerald do a spot of fishing, determined to catch the pond's biggest fish, the legendary "Big Caesar".
E11Oct 199711m
Gerald and Arnold get on the case when Timberly loses her Barney-esque doll.
E12Oct 199711m
The new girl is teased at school by Helga and the other girls, but she's soon accepted by everyone.
E13Oct 199723m
Arnold and Gerald send the neighborhood alien crazy as they broadcast a mock Halloween radio show.
E14Oct 199711m
After Arnold saves Sid from an injury, Sid devotes himself to paying Arnold back with unending kindness.
E15Oct 199711m
Arnold and Gerald bunk off school, but their day is ruined by their fear of being found out.
E16Oct 199711m
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 out to be Mr. Green.
E17Oct 199711m
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 prize being a trophy resembling poet Emily Dickinson. Then, the trophy haunts Phoebe into confessing.
E18Oct 199711m
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 them to win.
E19Oct 199711m
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 be.
E20Oct 199711m
Gerald becomes an entrepreneur out of selling watches until the market becomes saturated.
E21Oct 199711m
Rhonda and Nadine fall out over working on a project at school, leaving Arnold to work with both of them separately.
E22Oct 199711m
Arnold's Grandpa enters a Chinese Checkers tournament to reclaim his pride lost forty years ago. Robby Fisher's name is a parody of Bobby Fischer.
E23Oct 199711m
Helga's mother tries to let her and her father, Bob, bond.
E24Nov 199711m
Arnold follows in his Grandpa's footsteps and competes in the annual block party eating contest. After much munching Old Football Head goes stomach to stomach with eating legend Seymour 'The Disposal'.
E25Nov 199711m
Rhonda gets glasses and finds out what it is like to be a "Geek".
E26Nov 199711m
Helga uses Stinky as her boyfriend to try to make Arnold jealous.
E27Nov 199711m
Arnold develops a crush on Miss Felter, a substitute teacher, thinking he is having dinner at her house.
E28Nov 199711m
Phoebe becomes hall monitor and asks Helga for tips. She becomes overwhelmed by the "power" and soon everyone wants the old Phoebe back, even Helga once she realizes Phoebe's also giving her detentions.
E29Nov 199711m
Harold runs away from his Bar Mitzvah, thinking he will retain his childhood this way.
E30Nov 199711m
Arnold and his friends get Coach Wittenberg to be their new bowling coach.
E31Nov 199711m
The ghost of a former boarding house resident is believed to have been causing strange occurrences in there when Arnold and Gerald find an old pair of glasses believing to have belonged to him.
E32Nov 199711m
After finding out that his idol is a haughty, primped actor, Eugene sets out to become bad.
E33Nov 199711m
Helga and Arnold fall asleep and have their own "parody/dream" of the opera Carmen.
E34Nov 199711m
Arnold and a descendant of his grandpa's arch enemy, Rex Smythe-Higgins, compete in a boat race.
E35Nov 199711m
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 taken from their summer vacation.
E36Dec 199711m
After creating an idea for a parade float, Arnold is confident of it showing up in a parade.
E37Dec 199711m
A lounge singer moves into the Sunset Arms after renouncing his songwriter, who also moves there.