Two federal agents battle a gang that hijacks trucks carrying materials vital for the security of the country and sells them to foreign powers.
A young newspaperwoman travels to a South Seas island to search for buried treasure.
Dr. Mabuse and his organization of criminals are in the process of completing their latest scheme, a...
Disaster seems imminent when scientists discover that the planet Mongo is about to crash into Earth....
The 15 chapter story involves the heroine being protected by a shadow with burning eyes. There's als...
Filmed in the Sierra Nevada mountains near Sonora, California, this Universal serial is Universal's ...
The Wrecker wrecks trains on the L & R Railroad. One of his victims is Larry Baker's father. Baker w...
The war lords of a potential enemy of the US has the spy ring, led by John Baroda, the Spy King and ...
The Daily Clarion hires detective story writer Steve Colt to investigate the deaths of a group of sc...
A villain named Marlof attempts to set up secret missile bases inside Canada so he can launch missil...
Crooks discover a Genghis Khan treasure ship on the Canada-Alaska border but the treasure is hidden ...
The female leader of an international crime ring steals a valuable artifact that can give her the po...
Japanese spies attempt to subvert America's war effort; G-Men attempt to thwart their plot.
A movie serial in 12 chapters: After gold is discovered in the town of Nugget, the titular band of ...
The mysterious Don Del Oro ("Lord of Gold"), an idol of the Yaqui Indians, plans to take over the go...
The evil and masked "Gargoyle" is sabotaging all of America's industrial plants. It is up to the Spi...
The nefarious Dr. Fu Manchu searches for the keys to the tomb of Genghis Khan, in order to fulfill a...
Daniel Robin has become mixed up with a band of criminals known as "the 13," and is shot when he ref...
Irrepressible Helen Rhinelander, the daughter of a railroad president. A dastardly villain, Segrue, ...
When the unscrupulous Carlos Manning discovers that an old Spanish land grant recently unearthed wil...
A movie serial in 12 chapters: The famous comic strip character is on a mission to protect a secret...