24 minutos
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)
Baoan Coleman
Mr. Hyunh (voice)
Lou Rawls
Harvey (voice)
Maurice LaMarche
Douglas Cain / Big Bob Pataki (voice)
Dan Castellaneta
Grandpa Phil / Additional Voices (voice)
Tress MacNeille
Arnold's Grandma (voice)
Kath Soucie
Miriam Pataki (voice)
David Wohl
Principal Wartz (voice)
James Keane
Marty Green / EBN Announcer (voice)
