Perils of the Royal Mounted

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...

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

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

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

Columbia's 11th serial and the first western serial that James W. Horne solo-directed.

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

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

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

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

A Martian invader crashes his spaceship conveniently close to the workshop of a scientist who is dev...

Claire Forrest seeks her kidnapped scientist father, hidden somewhere on Mystery Island. He is hel...

Dr. Ernst Grood , having already dominated the planet Ergro, now intends to take over the control of...

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

A team of two-fisted insurance investigators (one of whom disguises himself as The Masked Marvel) e...

Congo Bill is hired to locate an heiress lost somewhere in Africa.

A famous scientist invents a humanoid robot (the titular "monster"), so a greedy rival scientist pla...

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

Irrepressible Helen Rhinelander, the daughter of a railroad president. A dastardly villain, Segrue,...

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