Episode 1
Downtown as Fruits
Episode 2
Eugene's Bike
Episode 3
The Little Pink Book
Episode 4
Field Trip
Episode 5
Arnold's Hat
Episode 6
Stoop Kid
Episode 7
Helga's Makeover
Episode 8
The Old Building
Episode 9
6th Grade Girls
Episode 10
The Baseball
Episode 11
Heat
Episode 12
Snow
Episode 13
Operation Ruthless
Episode 14
The Vacant Lot
Episode 15
The List
Episode 16
Haunted Train
Episode 17
Mugged
Episode 18
Roughin' It
Episode 19
Door #16
Episode 20
Arnold as Cupid
Episode 21
Arnold's Christmas
Episode 22
Benchwarmer
Episode 23
Cool Jerk
Episode 24
Das Subway
Episode 25
Wheezin' Ed
Episode 26
Arnold the Tutor
Episode 27
Gerald Comes Over
Episode 28
Spelling Bee
Episode 29
Pigeon Man
Episode 30
Olga Comes Home
Episode 31
Sally's Comet
Episode 32
Abner Come Home
Episode 33
The Sewer King
Episode 34
False Alarm
Episode 35
World Records
Episode 36
Magic Show
Episode 37
24 Hours to Live
Episode 38
Arnold's Valentine
Save the Tree
New Teacher
Helga's Love Potion
Gerald's Secret
The Big Scoop
Harold's Kitty
Longest Monday
Eugene's Pet
Monkey Business
Big Caesar
Ransom
Ms. Perfect
Arnold's Halloween
Arnold Saves Sid
Hookey
Freeze Frame
Phoebe Cheats
Mud Bowl
Gerald Moves Out
The High Life
Best Friends
Steely Phil
Quantity Time
Eating Contest
Rhonda's Glasses
Helga's Boyfriend
Crush on Teacher
Hall Monitor
Harold's Bar Mitzvah
Coach Wittenberg
Four-Eyed Jack
Eugene Goes Bad
What's Opera, Arnold?
Tour de Pond
Teachers' Strike
Runaway Float
Partners
Helga Blabs It All
Harold the Butcher
Dangerous Lumber
Mr. Hyunh Goes Country
Casa Paradiso
Gerald's Tonsils
Arnold's Room
Helga vs. Big Patty
Stinky Goes Hollywood
Olga Gets Engaged
Curly Snaps
Preteen Scream
Grandpa's Birthday
Road Trip
Sid's Revenge
Roller Coaster
The Aptitude Test
Oskar Gets a Job
Arnold Betrays Iggy
Helga and the Nanny
Career Day
Hey Harold!
Best Man
Cool Party
Arnold & Lila
Grand Prix
Arnold's Thanksgiving
Helga's Show
The Flood
Phoebe Takes the Fall
The Pig War
Part Time Friends
Biosquare
Crabby Author
Rich Kid
Girl Trouble
School Dance
School Play
Full Moon
Student Teacher
Big Gino
Jamie O in Love
Eugene's Birthday
Stinky's Pumpkin
The Beeper Queen
Oskar Can't Read?
Dinner for Four
Phoebe Skips
Helga's Parrot
Chocolate Turtles
Love and Cheese
Weighing Harold
Back to School
Egg Story
It Girl
Deconstructing Arnold
Grudge Match
Polishing Rhonda
Weird Cousin
Baby Oskar
Grandpa's Sister
Synchronized Swimming
Helga Sleepwalks
Fighting Families
Headless Cabbie
Friday the 13th
Veterans Day
Helga on the Couch
Dino Checks Out
Monkeyman!
Buses, Bikes, and Subways
Helga's Masquerade
Mr. Green Runs
Sid the Vampire Slayer
Big Sis
Bag of Money
Principal Simmons
New Bully on the Block
Phoebe Breaks a Leg
Helga's Locket
Sid and Germs
Suspended
Ernie in Love
Parents Day
Summer Love
Stuck in a Tree
Rhonda Goes Broke
Beaned
Old Iron Man
Arnold Visits Arnie
Chocolate Boy
Harold vs. Patty
Rich Guy
April Fool's Day
Gerald's Game
Fishing Trip
Married
On the Lam
Family Man
The Racing Mule
Curly's Girl
The Journal (1)
The Journal (2)
Timberly Loves Arnold
Eugene, Eugene!
Ghost Bride
Gerald vs. Jamie O
Episode 39
A Day in the Life of a Classroom
Episode 40
Big Bob's Crisis
Episode 41
Phoebe's Little Problem
Episode 42
Grandpa's Packard
