The Master Key

A superhero known as The Black Commando battles Nazi agents who use explosive gases and artificial l...

A group of street kids battle a terrorist gang led by a Japanese spy.

A 15 episode serial in which Blake battles the "Scorpion" over possession of a 'death ray' machine.

Two safaris enter the African jungle intent on finding a white girl who is the heiress to a fortune....

Criminals steal a death ray that concentrates the rays of the sun. The inventor's daughter and a gov...

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...

David Trent is a nobleman who forms an outlaw group to combat his evil uncle Sir Edgar Bullard. The...

A variety of people are searching for a long-hidden treasure somewhere on an island. Chapters: 1....

A criminal mastermind known as The Crimson Ghost is out to steal a device called the Cyclotrode, whi...

A 12-episode serial in which scholastic sports star Frank Merriwell leaves school to search for his...

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....

Treasury agents go after a ring of counterfeiters operating out of a traveling carnival.

Part of the artificial-creature series encompassing Der Golem (1914 and 1920), Alraune (1918, 1928,...

An American adventure film serial comprised of fifteen episodes of two reels (24 min) each. All cha...

Prior to the United States' involvement in World War II, the masked vigilante Spy Smasher fights Naz...

Four youthful cadets are implicated in a series of murders, and must attempt to clear themselves of...

An escaped criminal impersonates a Police Commissioner, causing no end of trouble to a determined Fe...