- HD 1080
- Runtime: 97m.
- Status: Released
- 1
- Languages: en
- Country: United States of America
- Director: Frederick Stephani, Ray Taylor
- Stars: Buster Crabbe, Jean Rogers, Frank Shannon, Charles Middleton, Priscilla Lawson
- keywords: princess, prince, king, shark, tyrant, flash gordon, evil dictator
- Production_studio: Hearst Entertainment Productions, Universal Pictures, King Features Syndicate
- providers: Amazon Prime Video, Amazon Prime Video with Ads
- The Spaceship to the Unknown is featured in the top rankings of 1966
- #21 in Top Adventure Movies of 1966
- #29 in Top Action Movies of 1966
A heavy condensation of the original serial compresses the original thirteen episodes into an efficient 97 minute feature. Disaster seems imminent when scientists discover that the planet Mongo is about to crash into Earth. Luckily, heroic young Flash Gordon is on hand to lead an investigative mission into outer space and onto the speedily approaching planet. There, he and his best girl, Dale, who is along for the ride, learn that Ming, the devious ruler of Mongo, has purposely put the planet on a collision course with Earth, and only Flash can stop him.