The Mysterious Mr. M

A bunch of waterfront youths pursue the Sea Raiders, a gang of saboteurs.

People in the future live in a totalitarian society. A technician named THX 1138 lives a mundane life between work and taking a controlled...

An escaped criminal impersonates a Police Commissioner, causing no end of trouble to a determined Federal Agent.

A Martian invader crashes his spaceship conveniently close to the workshop of a scientist who is developing an interplanetary craft. If the...

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

Greedy traders have kidnapped a researcher, hoping he will reveal the location of a treasure in a hidden village. Family and friends of the...

A team of two-fisted insurance investigators (one of whom disguises himself as The Masked Marvel) endeavor to discover and thwart the loathsome...

Congo Bill is hired to locate an heiress lost somewhere in Africa.

Dan Merrick comes out from a shattering car accident with amnesia. He finds that he is married to Judith who is trying to help him start his life...

Jerry Blake (aka Federal Operator 99) teams-up with Joyce Kingston to thwart the plans of escaped crime boss Jim Belmont.

An expedition arrives on an uncharted jungle island to rescue the local natives, led by a jungle boy, from a volcano that is about to erupt.

Escaped Prisoner 39013 impersonates the rich and influential Horace Granville, allowing him to create a variety of disasters. Fortunately, he is...