Mostly Ghostly: Who Let the Ghosts Out?

Mostly Ghostly is a 2008 American horror comedy fantasy film directed by Rich Correll. The film is based on the novel Who Let the Ghosts Out? by R. L. Stine, the first book in the Mostly Ghostly series. The film adaptation is the first film in the Mostly Ghostly film series. It was released on DVD on September 30, 2008, and was broadcast on Disney Channel on October 31, 2008.