Monster by Mistake Episode Rating Graph

Corey Sevier had to be replaced as the voice of Warren because so much time had passed between the Halloween special and the series that his voice had changed. Julie Lemieux was chosen as the new voice of Warren. The rest of the original cast returned. Hillary Cooper, the voice of Tracy, is the same person as Hillary Goldhar. She got married between the special and the series. Warren's got a cold, but wants to go to school because it's Pizza Day.

Roz accidentally sells the Book of Spells at a school rummage sale and the kids have to get it back from Dr. Fossel, the museum director..

A spell gone wrong turns Warren and Tracy's parents into ice cream sundaes. The kids seek out Gorgool to help them reverse the spell.

Roz is convinced the house is haunted and calls in Dr. Malamar to get rid of the ghost. The kids have to make sure that Johnny isn't exorcised

Warren's friend Freddy accidentally gets transformed by a magic spell and the kids have to return him to normal

Billy's upset he's not getting more attention at the talent show rehearsal, so he comes up with an idea to get the Monster in trouble

The Pattersons go camping. Gorgool and the Servant follow and attempt to steal the jewel and book of spells

Roz and Tom go out for the evening, and Gorgool and the Servant use the opportunity to try and steal the book of spells and the jewel.

Tracy and Warren entertain at Orville's birthday party with surprising results.

A spell causes Warren to shrink and Gorgool and the Servant capture him

The Monster meets Leena, world famous rock star.

Warren turned into the Monster in Roz's antique shop while he was holding an ancient vase. The transformation caused the archer girl on the side of the vase to come alive.