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.
Released: Mar 03, 1940
Runtime: 195 minutes
Genre: Science Fiction, Action
Stars: Buster Crabbe, Carol Hughes, Charles Middleton, Anne Gwynne, Frank Shannon, John Hamilton
Crew: Ford Beebe (Director), Ray Taylor (Director), George H. Plympton (Screenplay), Basil Dickey (Screenplay), Barry Shipman (Screenplay), Harold H. MacArthur (Art Direction)