The Great Secret

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...

Two British officers are assigned to collect information to convict Captain Kidd of piracy.

Mota is a Martian representative, who has come to impose interplanetary law on the Earth (which has become too dangerous); opposing his authority is...

Infamous Singapore smuggler Bully Brand possess a beautiful pearl necklace that is desired by Chinese merchant Chan Chang for his daughter Pain, a...

A famous scientist invents a humanoid robot (the titular "monster"), so a greedy rival scientist plans to steal it for use in his criminal plans. ...

An accomplished aviator sets out to locate treasure hidden by one of his ancestors. He encounters interference from various adversaries.

Stone assures Weisner, head of the Coal Trust, that Larnigan will never start for Pennsylvania. Weisner is skeptical and informs Stone that if he...

Bruce Larnigan, in connection with Jack Stevens, is editing the "Independent," the newspaper which Ben Travers had bought to assist the fight against...

A silent action movie serial consisting of 15 chapters.

A stirring drama of Wall Street manipulation of the world's wheat supply, which leads the characters into adventures and danger in various corners of...