New Thrills...New Marvels, New Wonders New Thrills!...New Marvels, New Wonders

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.

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Main Cast: Buster Crabbe, Carol Hughes, Charles Middleton, Anne Gwynne, Frank Shannon, John Hamilton, Herbert Rawlinson, Tom Chatterton, Shirley Deane, Lee Powell

Directors: Ford Beebe, Ray Taylor

Writers: Basil Dickey, Barry Shipman, George H. Plympton

Editors: Alvin Todd, Louis Sackin, Joseph Gluck

Cinematographers: Jerome Ash, William A. Sickner

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