A Secret Service agent seeks his missing brother in Africa, and finds his mission complicated by ivory thieves, a girl with a mysterious past, and a troublesome gorilla.
A criminal mastermind known as The Crimson Ghost is out to steal a device called the Cyclotrode, whi...
After a spectacular crash-landing on an uncharted planet, brash astronaut Leo Davidson finds himself...
Astronaut Taylor crash lands on a distant planet ruled by apes who use a primitive race of humans fo...
A group of street kids battle a terrorist gang led by a Japanese spy.
When a treasure hunter seeks a downed airplane in the jungles of Africa, he encounters one of the pa...
Treasury agents go after a ring of counterfeiters operating out of a traveling carnival.
The nefarious Dr. Fu Manchu searches for the keys to the tomb of Genghis Khan, in order to fulfill a...
Disaster seems imminent when scientists discover that the planet Mongo is about to crash into Earth....
A 12-episode serial in which scholastic sports star Frank Merriwell leaves school to search for his ...
A superhero known as The Black Commando battles Nazi agents who use explosive gases and artificial l...
Dr. John Meredith has been driven from civilization by the criminal activities of his twin brother B...
King Androcles of Thebes commands a ship in search of a threat to Greece, predicted by an atmospheri...
Man-woman team of investigators uncover a gang whose mad scientist leader has developed an invisibil...
An accomplished aviator sets out to locate treasure hidden by one of his ancestors. He encounters i...
A famous scientist invents a humanoid robot (the titular "monster"), so a greedy rival scientist pla...
A Canadian Mountie and a young girl team up to prevent an evil couple from finding a fallen meteorit...
Jerry Blake (aka Federal Operator 99) teams-up with Joyce Kingston to thwart the plans of escaped cr...