Spaceship to the Unknown

Directed by Frederick Stephani, Ray Taylor
Not Rated
1966    1h 37m[Science Fiction](/on-demand/category/sci-fi), [Action](/on-demand/category/action)
6.57.3
Flash Gordon, Dale Arden and Dr. Alexis Zarkov visit the planet Mongo to thwart the evil schemes of Emperor Ming the Merciless, who has set his planet on a collision course with Earth.

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