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Watch Scooby-Doo and the Alien Invaders (2000) free online

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.

Genres: Animation, Family, Comedy, Mystery, Science Fiction. TMDB rating: 7.1/10