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.
- Genre: Science Fiction, Action, Adventure
- Studio: King Features Syndicate, Universal Pictures
- Keyword: hang gliding, based on comic, dragon, shark, rocket ship, movie serial, flash gordon, evil dictator, sword and planet, underwater city
- Cast: Buster Crabbe, Jean Rogers, Frank Shannon, Charles Middleton, Priscilla Lawson, Richard Alexander