Monster By Mistake Season 1 Episode 11 Kidnapped

Bizarro - Gorgool and the Servant finally get their hands on the Jewel and the Book long enough to cast a spell attempting to crack Gorgool out of his ball. Luckily, Tracy and the Monster get there in time to interrupt the spell and grab the Book and Jewel back. Some of the magic blue rays fall haphazardly, however, hitting the Monster - who, as Warren suddenly begins to shrink.