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

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.

Young Pauline is left a lot of money when her wealthy uncle dies. However, her uncle's secretary has been named as her guardian until she marries, at which time she will officially take possession of her inheritance. Meanwhile, her "guardian" and his confederates constantly come up with schemes to get rid of Pauline so that he can get his hands on the money himself.

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

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.

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

A gang of street kids work with the FBI in their attempt to find and rescue their leader's father, a scientist who has been kidnapped by a terrorist group.

Enemy spies try to steal a new fighter plane.

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