Overview
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.
Cast
Arnold (voice)
Gerald Johanssen (voice)
Helga Pataki (voice)
Phoebe Heyerdahl (voice)
Harold Berman (voice)
Stinky Petersen (voice)
Curly Gammelthorpe (voice)
Oskar Kokoshka / Smitty (voice)
Suzie Kokoshka (voice)
Ernie Potts (voice)
Mr. Hyunh (voice)
Harvey (voice)