Jeff King in his experimental rocket suit battles the evil Dr. Vulcan.

The Jewel Land Company of Elko, Texas is selling Government land to settlers. Before any of the settlers can claim their land, they are being killed by McCabe's gang. When Rocky comes to ... See full summary »

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

Young cavalry officer Jeff Stewart returns to his home in the west after the Civil War to find that a ring of crooked politicians has taken over the county, bleeding the citizens with 50% ... See full summary »

A group of ranchers, led by Colonel Arnold and Ward Gordon, are drilling an oil well but getting fierce opposition from an unknown gang of outlaws. Eastern promoter J.B."Dude" Dawson, is ... See full summary »

When the unscrupulous Carlos Manning discovers that an old Spanish land grant recently unearthed will leave a huge section of California real estate to the heirs of Don Quantero, he employs... See full summary »

A Martian spacecraft crash-lands near the observatory of Cyrus Layton, designer of Earth's first spaceship. The survivor, forerunner of an invasion, can assume the form of any earthman. ... See full summary »

A reservation's new doctor masquerades as the legendary Indian god, "the Phantom Rider", to catch gang looting the reservation, unaware the leader is a phony Indian Agent.

Two federal agents battle a gang that hijacks trucks carrying materials vital for the security of the country and sells them to foreign powers.

The invaders come to Earth to create an H-bomb to blast Earth out of orbit so that Mars can take its place.

Strategic targets on Earth are being destroyed by an unknown weapon. Government security head Henderson suspects it's an "atomic ray" originating from the moon! He assigns Commando Cody, ... See full summary »