Deciding that he must sire a child to carry on his tradition of Loathing Light and Blighting the Beautiful, the Great Wizard Arriman announces a competition among the witches of Todcaster, one of whom will marry him.
Impatient to go trick-or-treating, a young witch tries her mother's spells on a warthog without success, until a mysterious old man teaches her the art of persuasion.
When Grizzorka the Witch snatches Tabithia to be her new Halloween cat, Grandmother Katt dons a pumpkin helmet and declares war, with the help of Spider, Frog, and Bat.
Young Mildred Hubble, an apprentice witch with a reputation for being the worst student at Miss Cackle's Academy for Witches, smuggles her cat Tabby on a class trip to Gloomy Cove with unexpected results.