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Arnold and Gerald try to play a Halloween prank on Grandpa by making him think aliens have landed in the city. However, the broadcast gets leaked and scares everybody in the city.
Phillip Van Dyke
Arnold (voice)
Jamil Walker Smith
Gerald Johanssen (voice)
Francesca Marie Smith
Helga Pataki (voice)
Anndi McAfee
Phoebe Heyerdahl (voice)
Justin Shenkarow
Harold Berman (voice)
Christopher Walberg
Stinky Petersen (voice)
Adam Wylie
Curly Gammelthorpe (voice)
Steve Viksten
Oskar Kokoshka / Smitty (voice)
Mary Scheer
Suzie Kokoshka (voice)
Dom Irrera
Ernie Potts (voice)
