Hey Arnold!: 3x33
Biosquare
As a science assignment, Arnold and Helga have to work together, and get along with each other, for 24 hours in the Sunset Arms greenhouse.
3 - 1Helga Blabs It All Aug. 31, 1998- 3 - 2Harold the Butcher Aug. 31, 1998
- 3 - 3Dangerous Lumber Sep. 02, 1998
- 3 - 4Mr. Hyunh Goes Country Sep. 02, 1998
- 3 - 5Casa Paradiso Sep. 07, 1998
- 3 - 6Gerald's Tonsils Sep. 07, 1998
- 3 - 7Arnold's Room Sep. 09, 1998
- 3 - 8Helga vs. Big Patty Sep. 09, 1998
- 3 - 9Stinky Goes Hollywood Sep. 16, 1998
- 3 - 10Olga Gets Engaged Sep. 16, 1998
- 3 - 11Curly Snaps Sep. 23, 1998
- 3 - 12Preteen Scream Sep. 23, 1998
- 3 - 13Grandpa's Birthday Sep. 30, 1998
- 3 - 14Road Trip Sep. 30, 1998
- 3 - 15Sid's Revenge Oct. 07, 1998
- 3 - 16Roller Coaster Oct. 07, 1998
- 3 - 17The Aptitude Test Oct. 14, 1998
- 3 - 18Oskar Gets a Job Oct. 14, 1998
- 3 - 19Arnold Betrays Iggy Oct. 19, 1998
- 3 - 20Helga and the Nanny Oct. 19, 1998
- 3 - 21Career Day Oct. 21, 1998
- 3 - 22Hey Harold! Oct. 21, 1998
- 3 - 23Best Man Nov. 02, 1998
- 3 - 24Cool Party Nov. 02, 1998
- 3 - 25Arnold & Lila Nov. 04, 1998
- 3 - 26Grand Prix Nov. 04, 1998
- 3 - 27Arnold's Thanksgiving Nov. 18, 1998
- 3 - 28Helga's Show Nov. 25, 1998
- 3 - 29The Flood Nov. 25, 1998
- 3 - 30Phoebe Takes the Fall Dec. 07, 1998
- 3 - 31The Pig War Dec. 07, 1998
- 3 - 32Part-Time Friends Dec. 07, 1998
- 3 - 33Biosquare Dec. 07, 1998
- 3 - 34Crabby Author Dec. 28, 1998
- 3 - 35Rich Kid Jan. 04, 1999
- 3 - 36Girl Trouble Jan. 04, 1999
- 3 - 37School Dance Jan. 04, 1999
- 3 - 38School Play Mar. 08, 1999