A famous singer Claire Lescot, who lives on the outskirts of Paris, is courted by many men, including a maharajah, Djorah de Nopur, and a young Swedish scientist, Einar Norsen….

When police interfere with a reckless scientist’s experiment, it creates a deadly meteor shower only Superman can stop.

An alien from the planet Algol gives a man a device that creates enough energy to power the entire world.

Dr. Leon Kravaal develops a potential cure for cancer, which involves freezing the patient. But an experiment goes awry when authorities believe Kravaal has killed a patient. Kravaal freezes the…

University professor George Kingsley is struck by gangsters while crossing the street, leaving him with brain damage and one of the gangsters, Cannon, paralyzed. Kingsley’s friend Dr. Sovac attends to…

The Invisible Man’s grandson uses his secret formula to spy on Nazi Germany.

Mr. Drake and his wife live a nice, quiet life on their Sussex farm, until one of their ducks lays a radioactive egg made of uranium! When the government finds…

Robbers target a special train carrying a billion dollars worth of gold, and the only one who can stop them is Superman!

Mad scientist injects his enemies with acromegaly virus, causing them to become hideously deformed.

After experimenting on himself and becoming invisible, scientist Jack Griffin, now aggressive due to the drug’s effects, seeks a way to reverse the experiment at any cost.

Prof. Millard pretends to be dead and helps Jeff King ferret out Vulcan, the evil traitor at the science academy. Donning his Rocket Man costume King goes from one hair…

Superman comes to the rescue when a volcano erupts.