A gold mine in Arizona, that was formerly losing a lot of money, suddenly turns into a veritable money-making machine. However, the owner, instead of being happy about his now…

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.

The heirs of Anton Benson are searching Bensonhurst for hidden gold; they are joined by a reporter, a gangster…and a masked fiend known as The Iron Claw.

The Durango Kid is a sort of Robin Hood of the West who helps the lovely Walters (who replaced Starrett’s usual love-interest, Iris Meredith), the daughter of a homesteader, defeat…

Bob Marlow is sent undercover to an Arizona town where an outlaw gang, comprised of the six Tolliver brothers, have taken over the town and terrorizing the citizens. He comes…

When his young son is shot, John Wellington kills the culprit and flees. But his son Johnny recovers and is raised by Sir George. Some twenty years later Johnny sets…

James Kincaid controls the local water supply and plans to do away with the other ranchers. Government agent Sandy Saunders arrives undercover to investigate Kincaid’s land swindle scheme, and win…