What Happened to Mary

Disaster seems imminent when scientists discover that the planet Mongo is about to crash into Earth....

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

Story concerns a paper mill, a mortgage and the struggle to obtain the lost formula for making paper...

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

The nefarious Dr. Fu Manchu searches for the keys to the tomb of Genghis Khan, in order to fulfill a...

Tarzan spurns the love of La, Queen of Opar. When he isn't trying to keep the Bolshevik Rokoff and C...

Dr. Mabuse and his organization of criminals are in the process of completing their latest scheme, a...

The true story of Lord Francis Hope who inherits the Hope Diamond and marries showgirl May Yohe. Lor...

In time-honored fashion, a couple of supporting players -- George Dolenz and Bill Kennedy -- found t...

Dick Tracy battles spies and saboteurs in his efforts to bring to justice the Stark gang, a criminal...

Two marine lieutenants battle a masked would-be world conqueror who uses electricity as a weapon.

A wealthy young athlete comes to the aid of a beautiful heiress, whose fortune is being threatened b...

Two expeditions are trying to reach the Lost City of Zoloz -- one headed by Professor Davidson, a sc...

Jerry Blake (aka Federal Operator 99) teams-up with Joyce Kingston to thwart the plans of escaped cr...

A police detective is caught up in a plot to steal two million dollars in bonds.

Richard Grant, imprisoned in India for a crime he did not commit, escapes and makes his way to Afric...

A Secret Service agent seeks his missing brother in Africa, and finds his mission complicated by ivo...

Tom King Jr. seeks to discover who murdered his father, a Texas Ranger; the trail leads to a network...

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

Greedy traders have kidnapped a researcher, hoping he will reveal the location of a treasure in a hi...