Inventor Robert Fulton (Richard Greene) receives support from a tavern owner (Alice Faye) and a shipyard worker (Fred MacMurray) to help realize his dream of a high-powered steamboat.

Attorney Wayne Fletcher and his secretary are having an affair, so when Wayne’s wife is found smothered to death, he becomes the prime suspect. As the police investigate the murder,…

A scientist who is working on a cure for influenza is victimized by his unscrupulous boss, who releases the vaccine before it’s ready, resulting in the death of the scientist’s…

Lou Costello plays a country bumpkin vacuum-cleaner salesman, working for the company run by the crooked Bud Abbott. To try to keep him under his thumb, Abbott convinces Costello that…

Young man from Kansas goes to New York to work for his tycoon-hero. His superiors won’t listen to his ideas about business, but the boss and his daughter do.

An expedition tries to enlist Tarzan’s help in finding the secret Blue Valley, which legend says is the location of a miraculous fountain of youth.

An African tribe devoted to the leopard cult is dedicated to preventing civilization from moving further into Africa. Tarzan fights them when the cult first attacks a caravan and next…

A group of archaeologists asks Tarzan to help them find an ancient city in a hidden valley of women. He refuses, but Boy is tricked into doing the job. The…