Peril from the Planet Mongo

Flash Gordon, Dale Arden and Dr. Zarkov return to the planet Mongo for an antidote to the Purple Death, which wreaking destruction on Earth. However, Ming the Merciless has other plans for them.

• Director: Ford Beebe
• Cast: Buster Crabbe, Carol Hughes, Charles Middleton, Anne Gwynne, Frank Shannon, Shirley Deane, Lee Powell