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

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.

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 madman sets out to destroy a group of Chinatown merchants.

The Dead End Kids go after a gang known as the Sea Raiders, which is sinking Allied shipping.

Enemy spies try to steal a new fighter plane.

Alan Armstrong, aka Spy Smasher, battles a Nazi villain known as The Mask, who heads a gang of saboteurs determined to spread destruction across America.
An American secret agent travels to Africa to infiltrate a Nazi spy ring.
Filmed in the Sierra Nevada mountains near Sonora, California, this Universal serial is Universal's 40th sound-era serial. Eagle Scout Bruce Scott, leader of Martinsville Troop Number One, and his pack sets off in search of lost treasure and finds adventure.

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