Tom King Jr. seeks to discover who murdered his father, a Texas Ranger; the trail leads to a network...
Prior to the United States' involvement in World War II, the masked vigilante Spy Smasher fights Naz...
A young girl journeys to Africa to find her father, an explorer who vanished in the jungle.
Beyond Hell's Gate Pass is territory controlled by a man who calls himself King Carter; he uses a va...
The obsessive scientist Dr. Miller is working on a matter-transmitter invention called the Paratron;...
Dusty Bates observes some smuggled jewels hidden in a crate aboard a ship; he is pursued by low-life...
Calvin Drake employs a group of low-lifes to drive away land owners along the path of a new railroad...
An expedition arrives on an uncharted jungle island to rescue the local natives, led by a jungle boy...
Escaped Prisoner 39013 impersonates the rich and influential Horace Granville, allowing him to creat...
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 ...
The nefarious Dr. Fu Manchu searches for the keys to the tomb of Genghis Khan, in order to fulfill a...
Two safaris enter the African jungle intent on finding a white girl who is the heiress to a fortune....
Frank Leon Smith's well-written story told of Carter's Creek, a bustling mining camp, and of how Bet...
A 15 episode serial in which Blake battles the "Scorpion" over possession of a 'death ray' machine.
A variety of people are searching for a long-hidden treasure somewhere on an island. Chapters: 1. ...
Dr. John Meredith has been driven from civilization by the criminal activities of his twin brother B...
Two expeditions are trying to reach the Lost City of Zoloz -- one headed by Professor Davidson, a sc...
The manager of The Big Circus plots to marry the owner's daughter and gain control of the outfit.