A cosmic case of flying saucers, intergalactic intrigue and out-of-this-world romance launches Scooby-Doo and the Mystery Gang into their most unearthly adventure ever.
Director: Jim Stenstrum
Writer: Davis Doi (story by), William Hanna (characters), Joseph Barbera (characters), Glenn Leopold (story by), Davis Doi (screenplay by), Lance Falk (screenplay by)
Cast: Scott Innes, Mary Kay Bergman, Frank Welker, B.J. Ward
