A mysterious plague, the Purple Death, ravages the earth. Dr. Zarkov, investigating in his spaceship, finds a ship from planet Mongo seeding the atmosphere with dust. Sure enough, Ming the Merciless is up to his old tricks. So it's back to Mongo for Flash, Dale, and Zarkov.
Directed By
Ford Beebe, Ray TaylorWritten By
George H. Plympton, Basil Dickey, Studio
Universal Pictures, King Features SyndicateWatch on these services
Cast of Flash Gordon Conquers the Universe
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