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.
Where to Watch Arnold's Halloween
Cast of Arnold's Halloween
Phillip Van DykeArnold (voice)
Jamil Walker SmithGerald Johanssen (voice)
Francesca Marie SmithHelga Pataki (voice)
Anndi McAfeePhoebe Heyerdahl (voice)
Justin ShenkarowHarold Berman (voice)
Christopher WalbergStinky Petersen (voice)
Adam WylieCurly Gammelthorpe (voice)
Steve VikstenOskar Kokoshka / Smitty (voice) / Producer
Mary ScheerSuzie Kokoshka (voice)
Dom IrreraErnie Potts (voice)
Baoan ColemanMr. Hyunh (voice)
Lou RawlsHarvey (voice)
Maurice LaMarcheDouglas Cain / Big Bob Pataki (voice)
Dan CastellanetaGrandpa Phil / Additional Voices (voice)
Tress MacNeilleArnold's Grandma (voice)
Kath SoucieMiriam Pataki (voice)
David WohlPrincipal Wartz (voice)
James KeaneMarty Green / EBN Announcer (voice)
Jamie MitchellDirector / Producer
Antoinette StellaWriter
Joey Paul JensenProducer
Craig BartlettProducer
Joe PurdyProducer
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