Flash Gordon

The planet Mongo is on a collision course with Earth. Dr. Hans Zarkov takes off in a rocket ship to Mongo, with Flash Gordon and Dale Arden as his assistants. They find that the planet is ruled by the cruel Emperor Ming, who lusts after Dale and sends Flash to fight in the arena. Ming's daughter, Princess Aura, tries to spare Flash's life.

Aura helps Flash to escape as Zarkov is put to work in Ming's laboratory and Dale is prepared for her wedding to Ming. Flash meets Prince Thun, leader of the Lion Men, and the pair return to the palace to rescue Dale

Flash stops the wedding ceremony, but he and Dale are captured by King Kala, ruler of the Shark Men and a loyal follower of Ming. At Ming's order, Kala forces Flash to fight with a giant octosak.

Flash, Dale, Aura and Thun escape from the underwater city, but are captured by King Vultan and the Hawkmen. Dr. Zarkov befriends Prince Barin, and they race to the rescue

Dale pretends to fall in love with King Vultan in order to save Flash, Barin and Thun, who are put to work in the Hawkmen's Atom Furnaces.

Flash, Barin, Thun and Zarkov create an explosion in the atomic furnaces.

Dr. Zarkov saves the Hawkmen's city from falling, earning Flash and his friends King Vultan's gratitude. Ming insists that Flash fight a Tournament of Death against a masked opponent, and then a vicious orangopoid

Flash survives the tournament. Still determined to win Flash, Aura has him drugged to make him lose his memory

Flash recovers his memory. Ming is determined to have Flash executed

Aura realizes the error of her ways, and falls in love with Barin. She tries to help Flash and his friends to return to Earth -- but Ming plots to kill them.

Ming orders that the Earth people be caught and killed, but Flash and his friends escape from the emperor's clutches. Flash, Dale and Zarkov make a triumphant return to Earth.[3]

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