The war lords of a potential enemy of the US has the spy ring, led by John Baroda, the Spy King and his aide Nitra, sabotaging the plans for a vast defense system of radar stations along the American borders. Radar Defense Bureau operative Chris Calvert comes to the rescue of a brilliant radar scientist, Joan Hughes, who has been kidnapped by Baroda henchmen in chapter 1 ("The Fatal Fog"), and the two battle together before putting an end to the Spy King in the aptly-named chapter 12, "Day of Reckoning".
A movie serial in 12 chapters: The famous comic strip character is on a mission to protect a secret...
Disaster seems imminent when scientists discover that the planet Mongo is about to crash into Earth....
The evil and masked "Gargoyle" is sabotaging all of America's industrial plants. It is up to the Spi...
Daniel Robin has become mixed up with a band of criminals known as "the 13," and is shot when he ref...
The nefarious Dr. Fu Manchu searches for the keys to the tomb of Genghis Khan, in order to fulfill a...
Prospector Henry Tolliver disappears and his son "Wild Bill" Tolliver comes looking for him.
Filmed in the Sierra Nevada mountains near Sonora, California, this Universal serial is Universal's ...
Buffalo Bill Cody battles a gang of outlaws secretly headed by an unscrupulous lawyer.
A Secret Service agent seeks his missing brother in Africa, and finds his mission complicated by ivo...
A new town doctor arrives at the same time as local Indians needprotection from troublemaking looter...
A bunch of waterfront youths pursue the Sea Raiders, a gang of saboteurs.
Japanese spies attempt to subvert America's war effort; G-Men attempt to thwart their plot.
The mysterious Don Del Oro ("Lord of Gold"), an idol of the Yaqui Indians, plans to take over the go...
A young heiress of an American gun factory is threatened by a masked man after her father was murder...
The Perils of Pauline is a motion picture serial shown in weekly installments featuring the actress ...
It is 1865 and Union prisoners use a military balloon to escape a Southern prison camp near the end ...
A villain named Marlof attempts to set up secret missile bases inside Canada so he can launch missil...
Two federal agents battle a gang that hijacks trucks carrying materials vital for the security of th...
A lady reporter and two college students search for the "Gold Special," a train that disappeared wit...
The Daily Clarion hires detective story writer Steve Colt to investigate the deaths of a group of sc...