The Oregon Trail

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

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...

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

Man-woman team of investigators uncover a gang whose mad scientist leader has developed an invisibility chemical and plans to build a mercenary army...

Greedy traders have kidnapped a researcher, hoping he will reveal the location of a treasure in a hidden village. Family and friends of the...

A team of two-fisted insurance investigators (one of whom disguises himself as The Masked Marvel) endeavor to discover and thwart the loathsome...

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

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

An accomplished aviator sets out to locate treasure hidden by one of his ancestors. He encounters interference from various adversaries.

Jim Harvey is hired to guard a small wagon train as it makes its way west. The train is attacked by Indians and Harvey, hoping to persuade Aguila,...

A western bandit is reformed by his love for a little girl.

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