It's Gretel's birthday. Not only Kasper, but all his friends prepare surprises. The devil causes confusion as he tries to steal Kasper's book of inventions.
Kasper (voice)
Gretel (voice)
Grandma (voice)
Devil (voice)
Devil's Grandma (voice)
Mayor (voice)
Grandpa Kunz (voice)
(voice)
(voice)
(voice)
(voice)
