Scooby-Doo and Scrappy-Doo: Shaggy and the dogs end up in Outer Space where they encounter an alien hell-bent on destroying the Earth. So they attempt to stop him but their plan fails and in the end Scrappy tricks the alien into leaving Earth alone.

Starring:

Casey Kasem, Don Messick, Frank Welker, Heather North, Lennie Weinrib, Patricia Stevens

Genre:

Adventure, Animation, Comedy, Family, Mystery