Sir James Blake has retired from Scotland Yard so that he can assist his niece Hope and her friend Jerry in developing an apparatus they have invented. Sir James thinks that their invention has the potential to prevent wars, and plans to donate it to the League of Nations. But a gang of criminals led by the elusive "Scorpion" steals the device, and Blake and his associates must recover the invention and determine the identity of the "Scorpion".
A police detective is caught up in a plot to steal two million dollars in bonds.
Escaped Prisoner 39013 impersonates the rich and influential Horace Granville, allowing him to creat...
Dick Tracy goes up against a villain known as The Ghost, who can turn himself invisible.
Sergeant MacLane of the Mounties investigates the disruptive activities of a bunch of troublemakers.
A new town doctor arrives at the same time as local Indians needprotection from troublemaking looter...
Jesse James wants to start a new life in a new location, but quickly finds himself wrapped-up in pro...
Before the outbreak of WWII, Nazi sympathizers plot to undermine America.
A movie serial in 13 chapters: Some swampland becomes valuable, and various factions squabble over ...
An Indian rug is the key to the location of a lost treasure. When the rug's owner is murdered, it b...
Dr. Mabuse and his organization of criminals are in the process of completing their latest scheme, a...
Pulp hero "The Spider" seeks to destroy all criminals. In this serialized adventure, he battles The...
Mandrake and his team attempt to prevent "The Wasp" from stealing and using a new Radium invention.
A famous scientist invents a humanoid robot (the titular "monster"), so a greedy rival scientist pla...
Famed aviator Bruce Gentry is working with scientist Andrew Benson, setting out to uncover the origi...
A mad scientist named Dr. Satan plots to steal key pieces of technology to enable him to build an ar...
German adaptation of Maurice Leblanc's "Arsène Lupin versus Herlock Sholmes" stories. German copyrig...
A young heiress of an American gun factory is threatened by a masked man after her father was murder...
This twenty-three episode serial told the story of a secret society called The Black Hundred and its...