Nan of the North

A former Annapolis cadet is thrown out of the Naval Academy for cheating on an exam. Of course he was framed, but he must enlist in the Navy to clear...

In this movie serial Professor Sturgess invents a miraculous engine which can draw unlimited power from the atoms of the air. When the professor is...

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.

Kit Cardigan seeks the killer of his father...among other plot threads leading up to the famous historical incident.

Tom King Jr. seeks to discover who murdered his father, a Texas Ranger; the trail leads to a network of Axis spies.

Mystery and adventure, surrounding a stolen rubber harvest.

Jim Dorn endeavors to protect Jean McNain from a man she knows has committed a murder, Carter Snowden

Four flying G-Men protect America against enemy spies; one of the four assumes the identity of The Black Falcon, to befuddle the saboteurs even...

Pulp hero "The Spider" seeks to destroy all criminals. In this serialized adventure, he battles The Octopus, who intends to replace the government...

Mandrake and his team attempt to prevent "The Wasp" from stealing and using a new Radium invention.

Government agents work to interfere with schemes to trick the Comanches into war with the Texans.