Hey Arnold! Season 3 Episode 33 Biosquare 1998
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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.
- Released: 1998-12-07
- Runtime: 12 minutes
- Genre: Family, Animation, Comedy
- Stars: Spencer Klein, Francesca Marie Smith, Jamil Walker Smith, Olivia Hack, Anndi McAfee
- Director: Francesca Marie Smith, Craig Bartlett, Gábor Csupó, Jim Lang
