Hey Arnold!
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.
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Phillip Van Dyke
Arnold (voice)
Francesca Marie Smith
Helga Pataki (voice)
Jamil Walker Smith
Gerald Johanssen (voice)
Dan Castellaneta
Grandpa Phil (voice)
Lane Toran
Christopher Walberg
Stinky Peterson (voice)
Steve Viksten
Oskar Kokoshka (voice)
Tress MacNeille
Miss Slovak (voice)
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