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Hey Arnold!

Season 3 Episode 33 11 min
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S3 E33: 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.

Season 3 Episode 33 of 38 tt0115200

Season 3 Episodes

38 episodes
E1 Helga Blabs It All E2 Harold the Butcher E3 Dangerous Lumber E4 Mr. Hyunh Goes Country E5 Casa Paradiso E6 Gerald's Tonsils E7 Arnold's Room E8 Helga vs. Big Patty E9 Stinky Goes Hollywood E10 Olga Gets Engaged E11 Curly Snaps E12 Preteen Scream E13 Grandpa's Birthday E14 Road Trip E15 Sid's Revenge E16 Roller Coaster E17 The Aptitude Test E18 Oskar Gets a Job E19 Arnold Betrays Iggy E20 Helga and the Nanny E21 Career Day E22 Hey Harold! E23 Best Man E24 Cool Party E25 Arnold & Lila E26 Grand Prix E27 Arnold's Thanksgiving E28 Helga's Show E29 The Flood E30 Phoebe Takes the Fall E31 The Pig War E32 Part Time Friends E33 Biosquare E34 Crabby Author E35 Rich Kid E36 Girl Trouble E37 School Dance E38 School Play

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