A cosmic case of flying saucers, intergalactic intrigue and out-of-this-world romance launches Scooby-Doo! and the Mystery Inc., Gang into their most unearthly adventure ever.
Not streaming on a subscription service in the US right now.
Starring Scott Innes, Mary Kay Bergman, B.J. Ward, Frank Welker, Candi Milo, Neil Ross, Jennifer Hale, Jeff Bennett, Audrey Wasilewski, Mark Hamill