Halloweentown II: Kalabar's Revenge (2001)

"Your Favorite Witches Are Back!"
TMDb Score

The Cromwell clan live in the real world, except for their grandmother who lives in Halloweentown, a place where monsters go to escape reality. But now the son of the Cromwells' old enemy Kalabar has a plan to use the grandmother's book to turn Halloweentown into a grey dreary version of the real world, while transform the denizens of the real world into monsters.

Kimberly J. Brownas Marnie Piper
Judith Hoagas Gwen Cromwell Piper