When Melvin tries to cancel Halloween, clever best friends Harold and George create their own spooky holiday -- and it's a huge success!
Captain Underpants / Mr. Krupp (voice)
Harold (voice)
George (voice)
Narrator / Mr Gigglenose (voice)
Jessica / Dressy (voice)
Mr. Ree (voice)
Melvin / Stanley Peet / Melvin's Dad (voice)
Comic Narrator (voice)
Steve 'Gooch' Yamaguchi (voice)
Mr. Meaner (voice)
