The daily life of Arnold--a fourth-grader with a wild imagination, street smarts and a head shaped like a football.
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| Title | Air Date | Duration | ||
|---|---|---|---|---|
| Season 1 | Episode 1 | Downtown as Fruits / Eugene's Bike | 1996-10-07 | 30 min |
| Season 1 | Episode 2 | The Little Pink Book / Field Trip | 1996-10-09 | 30 min |
| Season 1 | Episode 3 | Arnold's Hat / Stoop Kid | 1996-10-14 | 30 min |
| Season 1 | Episode 4 | Helga's Makeover / The Old Building | 1996-10-16 | 30 min |
| Season 1 | Episode 5 | 6th Grade Girls / The Baseball | 1996-11-04 | 30 min |
| Season 1 | Episode 6 | Heat / Snow | 1996-11-11 | 30 min |
| Season 1 | Episode 7 | Operation Ruthless / The Vacant Lot | 1996-11-18 | 30 min |
| Season 1 | Episode 8 | The List / Haunted Train | 1996-11-25 | 30 min |
| Season 1 | Episode 9 | Mugged / Roughin' It | 1996-12-02 | 30 min |
| Season 1 | Episode 10 | Door #16 / Arnold as Cupid | 1996-12-09 | 30 min |
| Season 1 | Episode 11 | Arnold's Christmas | 1996-12-14 | 30 min |
| Season 1 | Episode 12 | Benchwarmer / Cool Jerk | 1996-12-16 | 30 min |
| Season 1 | Episode 13 | Das Subway / Wheezin' Ed | 1996-12-23 | 30 min |
| Season 1 | Episode 14 | Tutoring Torvald / Gerald Comes Over | 1996-12-30 | 30 min |
| Season 1 | Episode 15 | Spelling Bee / Pigeon Man | 1997-01-06 | 30 min |
| Season 1 | Episode 16 | Olga Comes Home / Sally's Comet | 1997-01-13 | 30 min |
| Season 1 | Episode 17 | Abner Come Home / The Sewer King | 1997-01-20 | 30 min |
| Season 1 | Episode 18 | False Alarm / World Records | 1997-01-27 | 30 min |
| Season 1 | Episode 19 | Magic Show / 24 Hours to Live | 1997-02-03 | 30 min |
| Season 1 | Episode 20 | Arnold's Valentine | 1997-02-10 | 30 min |
| Season 2 | Episode 1 | Save The Tree / New Teacher | 1997-09-21 | 30 min |
| Season 2 | Episode 2 | Helga's Love Potion / Gerald's Secret | 1997-09-28 | 30 min |
| Season 2 | Episode 3 | The Big Scoop / Harold's Kitty | 1997-10-05 | 30 min |
| Season 2 | Episode 4 | Longest Monday / Eugene's Pet | 1996-10-12 | 30 min |
| Season 2 | Episode 5 | Monkey Business / Big Caesar | 1997-10-19 | 30 min |
| Season 2 | Episode 6 | Ransom / Ms. Perfect | 1997-10-26 | 30 min |
| Season 2 | Episode 7 | Arnold Saves Sid / Hookey | 1997-11-02 | 30 min |
| Season 2 | Episode 8 | Freeze Frame / Phoebe Cheats | 1997-11-09 | 30 min |
| Season 2 | Episode 9 | Mud Bowl / Gerald Moves Out | 1997-11-16 | 30 min |
| Season 2 | Episode 10 | The High Life / Best Friends | 1997-11-23 | 30 min |
| Season 2 | Episode 11 | Arnold's Halloween | 1997-10-27 | 30 min |
| Season 2 | Episode 12 | Steely Phil / Quantity Time | 1997-11-30 | 30 min |
| Season 2 | Episode 13 | Eating Contest / Rhonda's Glasses | 1997-12-07 | 30 min |
| Season 2 | Episode 14 | Helga's Boyfriend / Crush on Teacher | 1997-12-14 | 30 min |
| Season 2 | Episode 15 | Hall Monitor / Harold's Bar Mitzvah | 1997-12-21 | 30 min |
| Season 2 | Episode 16 | Coach Wittenberg / Four-Eyed Jack | 1997-12-28 | 30 min |
| Season 2 | Episode 17 | Eugene Goes Bad / What's Opera, Arnold? | 1998-01-04 | 30 min |
| Season 2 | Episode 18 | Tour de Pond / Teacher's Strike | 1998-01-11 | 30 min |
| Season 2 | Episode 19 | Runaway Float / Partners | 1998-01-18 | 30 min |
| Season 3 | Episode 1 | Helga Blabs It All / Harold the Butcher | 1998-08-31 | 30 min |
| Season 3 | Episode 2 | Dangerous Lumber / Mr. Hyunh Goes Country | 1998-09-02 | 30 min |
| Season 3 | Episode 3 | Casa Paradiso / Gerald's Tonsils | 1998-09-07 | 30 min |
| Season 3 | Episode 4 | Arnold's Room / Helga vs. Big Patty | 1998-09-09 | 30 min |
| Season 3 | Episode 5 | Stinky Goes Hollywood / Olga Gets Engaged | 1998-09-16 | 30 min |
| Season 3 | Episode 6 | Curly Snaps / Pre-Teen Scream | 1998-09-23 | 30 min |
| Season 3 | Episode 7 | Grandpa's Birthday / Road Trip | 1998-09-30 | 30 min |
| Season 3 | Episode 8 | Sid's Revenge / Roller Coaster | 1998-10-07 | 30 min |
| Season 3 | Episode 9 | The Aptitude Test / Oskar Gets a Job | 1998-10-14 | 30 min |
| Season 3 | Episode 10 | Arnold Betrays Iggy / Helga and the Nanny | 1998-10-19 | 30 min |
| Season 3 | Episode 11 | Career Day / Hey Harold! | 1998-10-21 | 30 min |
| Season 3 | Episode 12 | Best Man / Cool Party | 1998-11-02 | 30 min |
| Season 3 | Episode 13 | Arnold & Lila / Grand Prix | 1998-11-04 | 30 min |
| Season 3 | Episode 14 | Arnold's Thanksgiving | 1998-11-18 | 30 min |
| Season 3 | Episode 15 | Helga's Show / The Flood | 1998-11-25 | 30 min |
| Season 3 | Episode 16 | Phoebe Takes the Fall / The Pig War | 1998-12-07 | 30 min |
| Season 3 | Episode 17 | Part-Time Friends / Bio Square | 1998-12-07 | 30 min |
| Season 3 | Episode 18 | Crabby Author / Rich Kid | 1998-12-28 | 30 min |
| Season 3 | Episode 19 | Girl Trouble / School Dance | 1999-01-04 | 30 min |
| Season 3 | Episode 20 | School Play | 1999-03-08 | 30 min |
| Season 4 | Episode 1 | Full Moon / Student Teacher | 1999-03-10 | 30 min |
| Season 4 | Episode 2 | Big Gino / Jamie O. In Love | 1999-03-15 | 30 min |
| Season 4 | Episode 3 | Eugene's Birthday / Stinky's Pumpkin | 1999-03-17 | 30 min |
| Season 4 | Episode 4 | The Beeper Queen / Oskar Can't Read? | 1999-03-29 | 30 min |
| Season 4 | Episode 5 | Dinner for Four / Phoebe Skips | 1999-03-31 | 30 min |
| Season 4 | Episode 6 | Helga's Parrot / Chocolate Turtles | 1999-04-05 | 30 min |
| Season 4 | Episode 7 | Love and Cheese / Weighing Harold | 1999-04-07 | 30 min |
| Season 4 | Episode 8 | Back to School / Egg Story | 1999-09-11 | 30 min |
| Season 4 | Episode 9 | It Girl / Deconstructing Arnold | 1999-09-18 | 30 min |
| Season 4 | Episode 10 | Grudge Match / Polishing Rhonda | 1999-09-25 | 30 min |
| Season 4 | Episode 11 | Weird Cousin / Baby Oskar | 1999-10-09 | 30 min |
| Season 4 | Episode 12 | Grandpa's Sister / Synchronized Swimming | 1999-10-16 | 30 min |
| Season 4 | Episode 13 | Helga Sleepwalks / Fighting Families | 1999-10-23 | 30 min |
| Season 4 | Episode 14 | Headless Cabbie / Friday the 13th | 1999-10-30 | 30 min |
| Season 4 | Episode 15 | Veteran's Day | 1999-11-06 | 30 min |
| Season 4 | Episode 16 | Helga on the Couch | 1999-12-04 | 30 min |
| Season 4 | Episode 17 | Dino Checks Out | 1999-12-11 | 30 min |
| Season 5 | Episode 1 | Monkeyman! / Buses, Bikes and Subways | 2000-03-04 | 30 min |
| Season 5 | Episode 2 | Helga's Masquerade / Mr. Green Runs | 2000-03-11 | 30 min |
| Season 5 | Episode 3 | Sid the Vampire Slayer / Big Sis | 2000-03-18 | 30 min |
| Season 5 | Episode 4 | Bag of Money / Principal Simmons | 2000-04-05 | 30 min |
| Season 5 | Episode 5 | New Bully on the Block / Phoebe Breaks a Leg | 2000-04-12 | 30 min |
| Season 5 | Episode 6 | Parents Day | 2000-04-12 | 30 min |
| Season 5 | Episode 7 | Helga's Locket / Sid and Germs | 2000-04-19 | 30 min |
| Season 5 | Episode 8 | Suspended / Ernie in Love | 2000-04-26 | 30 min |
| Season 5 | Episode 9 | Summer Love (a.k.a. Beach Story) | 2000-05-25 | 30 min |
| Season 5 | Episode 10 | Stuck in a Tree / Rhonda Goes Broke | 2001-01-05 | 30 min |
| Season 5 | Episode 11 | Beaned / Old Iron Man | 2001-01-12 | 30 min |
| Season 5 | Episode 12 | Arnold Visits Arnie / Chocolate Boy | 2001-01-26 | 30 min |
| Season 5 | Episode 13 | Harold vs. Patty / Rich Guy | 2002-02-03 | 30 min |
| Season 5 | Episode 14 | April Fool's Day | 2002-04-01 | 30 min |
| Season 5 | Episode 15 | Gerald's Game / Fishing Trip | 2002-04-27 | 30 min |
| Season 5 | Episode 16 | Married | 2002-05-11 | 30 min |
| Season 5 | Episode 17 | On The Lam / Family Man | 2002-06-01 | 30 min |
| Season 5 | Episode 18 | The Racing Mule / Curly's Girl | 2002-10-14 | 30 min |
| Season 5 | Episode 19 | The Journal (1) | 2002-11-11 | 30 min |
| Season 5 | Episode 20 | The Journal (2) | 2002-11-11 | 30 min |
| Season 5 | Episode 21 | Timberly Loves Arnold / Eugene, Eugene! | 2003-01-28 | 30 min |
| Season 5 | Episode 22 | Ghost Bride / Gerald v.s. Jamie O. | 2003-11-11 | 30 min |
| Season 5 | Episode 23 | A Day in the Life of a Classroom / Big Bob's Crisis | 2003-11-15 | 30 min |
| Season 5 | Episode 24 | Phoebe's Little Problem / Grandpa's Packard | 2004-06-08 | 30 min |
| Sound | Francesca Marie Smith | Theme Song Performance |
| Production | Gábor Csupó | Producer |
| Production | Craig Bartlett | Producer |
| Sound | Jim Lang | Music |
