Flash Gordon Conquers the Universe (03/03/1940)

Production : Universal Pictures, King Features Syndicate

Synopsis

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.

Buster Crabbe

Carol Hughes

Charles Middleton

Anne Gwynne