Halloweentown II: Kalabar's Revenge

The name of this movie is Halloweentown II: Kalabar's Revenge released in 2001-10-12 and it's main theme is 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..