The Great Radium Mystery

A newspaper publisher and his Korean servant fight crime as vigilantes who pose as a notorious masked gangster and his aide.

Advertising man Roger Thornhill is mistaken for a spy, triggering a deadly cross-country chase.

Evil Hassan slips back into his native land of Ahad and plots to overthrow his twin bother, Kasim, who has just been crowned the Caliph. Hassan...

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

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

When members of the nefarious crime syndicate KAOS attack the U.S. spy agency Control and the identities of secret agents are compromised, the Chief...

Prospector Henry Tolliver disappears and his son "Wild Bill" Tolliver comes looking for him.

A young boy and a girl with a magic crystal must race against pirates and foreign agents in a search for a legendary floating castle.

A new town doctor arrives at the same time as local Indians needprotection from troublemaking looters.

15 chapter adventure serial starring Doris Kenyon. Episode titles: 1. The Gauntlet of Death 2. Counterfeit Faces 3. The Island of Dread 4. The False...

Sergeant MacLane of the Mounties investigates the disruptive activities of a bunch of troublemakers.

A newspaperwoman finds trouble aplenty when an Inca tribe believes her to be the reincarnation of their long-lost princess.