Claire Forrest seeks her kidnapped scientist father, hidden somewhere on Mystery Island. He is held and forced to work on diabolical inventions by Captain Mephisto, a costumed villain.

A criminal mastermind known as The Crimson Ghost is out to steal a device called the Cyclotrode, which can short-circuit all electrical current on the planet.

Claire Forrest seeks her kidnapped scientist father, hidden somewhere on Mystery Island. He is held and forced to work on diabolical inventions by Captain Mephisto, a costumed villain.

Outlaws attempting to kidnap Steve Blaine from a stagecoach are ran off by the sharpshooting of his sister, Sally and rescuers Jimmy Wakely and Cannonball Taylor. Steve is investigating his…

A scientist and a gang that has kidnapped a rich heiress come up against a beautiful but lethal alien who has crash-landed her spaceship on Earth.

Reports of strange activities out by the Old Willow’s place signal new adventures for Kelton the Cop & Co. An apparent mystic, Dr. Acula is engaging in rituals designed to…

On a scientific expedition to Siam young Billy Batson is given the ability to change himself into the super-powered Captain Marvel by the wizard Shazam, who tells him his powers…

A nightclub star helps trap an enemy agent on the trail of an American newsman.