A young girl journeys to Africa to find her father, an explorer who vanished in the jungle.

Judge Roy Bean brings his own version of the law to the Old West town of Langtry in Texas by practicing unusual methods.

A woman protects the beasts and the natives in a jungle in the Congo.

It's 1865 and the telegraph is heading west. George Crane, wanting to keep law and order out of his territory, is out to stop the construction. The engineer on the job is Ken Mason and he is the grandson of Zorro. As Crane sends his men or Indians to stop the work, Mason repeatedly puts on the Zorro costume and rides to the rescue in this 12-chapter serial.
A twelve part serial following the adventures of the masked vigilante Judex as he fights against criminals led by the corrupt banker Favrauxom.

The adventures of master detective Sherlock Holmes as he and his assistant, Dr. Watson--and, somewhat reluctantly, the bumbling Inspector Lestrade--battle criminals in London.

Railroad detective Matt Clark roams the west, tracking down outlaws and bandits who are preying on the railroad.

Nat Cutler, known as Hawkeye, is a fur trader. With his faithful Indian companion Chingachgook, the last of the Mohican tribe, he fights to protect settlers against the raiding Huron Indians.

Two investigators for a stagecoach company are assigned to find out why the company's stages keep being ambushed. They discover that the culprits are white men disguised as Indians, and they set out to discover who is behind the plot.

An expedition sets off for the last land of Mu, where legend has it that a killer death ray is emitted from the eye of a golden idol.

Beyond Hell's Gate Pass is territory controlled by a man who calls himself King Carter; he uses a variety of schemes to prevent the railroad from being built, for fear it will finish his control of (what he considers) his land.

A mad scientist tries to sell his formula for a dist integrating gas to foreign powers.

American, Chinese and Australian agents join forces to stop the Nazis from obtaining the formula for synthetic fuel.

A murderous gang of counterfeiters has kidnapped the government's best engraver and is forcing him to print virtually undetectable phony money. The Secret Service sends its toughest agent, Jack Holt, and a female partner after the gang.

A madman sets out to destroy a group of Chinatown merchants.

Two safaris enter the African jungle intent on finding a white girl who is the heiress to a fortune. One safari, led by Jungle Jim, wants to make sure she gets the news that she is now a rich woman. The leaders of the other safari want to kill the girl so they can try to get hold of her inheritance.