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.
Full Cast of Arnold's Halloween
Dan Castellaneta
Grandpa Phil / Additional Voices (voice)
Tress MacNeille
Arnold's Grandma (voice)
Crew of Arnold's Halloween
Full backstage crew list →- Released October 27, 1997