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.
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 , Jamil Walker Smith , Francesca Marie Smith
Craig Bartlett
Snee-Oosh Productions , Nicktoons Productions
as Arnold (voice)
as Gerald Johanssen (voice)