Halloweentown is a series of Disney Channel Original Movies about Marnie Piper and her training to become a witch. Villains throughout the movies either sought to conquer the Human World and Halloweentown, separate them from each other by revealing the existence of the second world, or simple revenge.

Kalibar sought to rally the monsters of Halloweentown and lead them to conquer the Human World (Halloweentown), Kal sought revenge on the Cromwells for destroying his father by using the Grey Spell on Halloweentown to turn the creatures into humans and the Creature Spell to turn humans into creatures (Halloweentown II: Kalabar's Revenge), the head of the Halloweentown council sought to ruin Marnie's plans to help integrate monsters students into human school life (Halloweentown High), and the Dominion sought to control Halloweentown though the use of the Gift. (Return to Halloweentown).