Watch Flash Gordon Conquers the Universe (1940) : Full Movie Online Free 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.
Company:Universal Pictures, King Features Syndicate
Stars:
Buster Crabbe, Carol Hughes, Charles Middleton, Anne Gwynne, Frank Shannon, John Hamilton, Herbert Rawlinson, Tom Chatterton, Shirley Deane, Lee Powell, Roland Drew