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.

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…

At the breaking of the Civil War the garrison of Fort Laramie splits between the sympathezers of the two different factions, but when the fort is attacked by the Sioux,…

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.

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…

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…