Monster By Mistake
Just Deserts
S1 E5:
When Tracy attempts to make a magic hot fudge sundae for Warren and Johnny with the Jewel and the Book of Spells, she accidentally turns her parents into ice cream sundaes instead! She has no idea how to turn them back, so the kids are forced to ask advice from Gorgool, the original owner of the Book. Gorgool proposes a deal, Gorgool will turn their parents back into human beings if the kids agree to let Gorgool use the Book and Jewel to free himself from the glass ball.