Season
- Season 5 2001-03-04
- Season 4 1999-03-10
- Season 3 1998-08-31
- Season 2 1997-09-22
- Season 1 1996-10-07
- Season 0 1994-06-16
Episode
- Episode 1: Save the Tree
- Episode 2: New Teacher
- Episode 3: Helga's Love Potion
- Episode 4: Gerald's Secret
- Episode 5: The Big Scoop
- Episode 6: Harold's Kitty
- Episode 7: Longest Monday
- Episode 8: Eugene's Pet
- Episode 9: Monkey Business
- Episode 10: Big Caesar
- Episode 11: Ransom
- Episode 12: Ms. Perfect
- Episode 13: Arnold's Halloween
- Episode 14: Arnold Saves Sid
- Episode 15: Hookey
- Episode 16: Freeze Frame
- Episode 17: Phoebe Cheats
- Episode 18: Mud Bowl
- Episode 19: Gerald Moves Out
- Episode 20: The High Life
- Episode 21: Best Friends
- Episode 22: Steely Phil
- Episode 23: Quantity Time
- Episode 24: Eating Contest
- Episode 25: Rhonda's Glasses
- Episode 26: Helga's Boyfriend
- Episode 27: Crush on Teacher
- Episode 28: Hall Monitor
- Episode 29: Harold's Bar Mitzvah
- Episode 30: Coach Wittenberg
- Episode 31: Four-Eyed Jack
- Episode 32: Eugene Goes Bad
- Episode 33: What's Opera, Arnold?
- Episode 34: Tour de Pond
- Episode 35: Teachers' Strike
- Episode 36: Runaway Float
- Episode 37: Partners
Hey Arnold! Season 2 Longest Monday
The daily life of Arnold--a fourth-grader with a wild imagination, street smarts and a head shaped like a football.
