Pretty Girl Barbara Mededith takes over her murdered brother's crusading newspaper. She also assumes the dead sibling's identity as "The Black Whip,"...

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...

Corporal Larry Grant and Sergeant "Mac" McGowan, of the United States Marine Corps, are rival for the love of Frances Schiller, but team up to hunt...

A villain named Marlof attempts to set up secret missile bases inside Canada so he can launch missiles at the U.S. The Canadian Mounted Police...

A gang of urban street kids and a club of suburban would-be federal agents, at first rivals, join forces to rescue the father of one of the kids, the...

A criminal mastermind known as The Crimson Ghost is out to steal a device called the Cyclotrode, which can short-circuit all electrical current on...

Superman battles Lex Luthor, who is using a teleportation device and a new identity as Atom Man in his criminal plans.

Mandrake and his team attempt to prevent "The Wasp" from stealing and using a new Radium invention.

Before the outbreak of WWII, Nazi sympathizers plot to undermine America.

Zudora, not knowing she's an heiress to a $20 million fortune, lives with her uncle, a mystic and detective, who covets her inheritance. She wants to...

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...

Only Episode 7, "The Hooded Helper," of this 20-Episode Serial is known to survive. All other episodes are believed to be lost.

A lady reporter and two college students search for the "Gold Special," a train that disappeared without a trace.

Jeff Scott is sent to investigate problems with wagon trains attempting to make the journey to Oregon. Sam Morgan has sent his henchmen, under...

The nefarious Dr. Fu Manchu searches for the keys to the tomb of Genghis Khan, in order to fulfill a prophecy that will enable him to conquer the...

Rex, a wild stallion, and Rinty, a police dog, are pals. Their master , John Sheldon, is framed for murder, and Alice Ingram plans to race Rex for...

Two federal agents battle a gang that hijacks trucks carrying materials vital for the security of the country and sells them to foreign powers.

"Red" Davison(Buck Jones), the sheriff of Sun Dog, sacrifices his job and his good name to save his best friend, "Silent" Slade from the hangman's...

Spies from Japan conspire to steal the Channing "preparedness" fortune and invade the United States, beginning in New York, then allying themselves...

A 12 episode serial starring Rex, the King of the Wild Horses and Rin-Tin-Tin, Jr. Rex is brought from the island of Sujan, where he is worshiped as...