Browse Sci-Fi (1940) movies. Sorted by reviews count.
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Before I Hang (1940)
A physician on death row for a mercy killing is allowed to experiment on a serum using a criminals' blood, but secretly tests it on himself. He gets a pardon, b...
Sky Bandits (1940)
Sgt. Renfrew and Constable Kelly go aloft to search for a plane missing with a shipment of gold from the Yukon Mine Company. Inventor Speavy has devised a power...
The Devil Bat (1940)
Dr. Carruthers feels bitter at being betrayed by his employers, Heath and Morton, when they became rich as a result of a product he devised. He gains revenge b...
Black Friday (1940)
Dr. Sovac transplants the brain of a gangster into his professor friend's body to save his life, but there is a side effect that causes a dangerous split person...
Mysterious Doctor Satan (1940)
A mad scientist plots the domination of America and only the masked hero, The Copperhead, can stop him.
The Invisible Woman (1940)
Eccentric Professor Gibbs, brilliant but impractical, invents an invisibility machine and advertises for a guinea pig. What he gets is Kitty Carroll, an attrac...
The Green Hornet (1940)
A newspaper publisher and his Korean servant fight crime as vigilantes who pose as a notorious masked gangster and his aide.
Flash Gordon Conquers the Universe (1940)
A mysterious plague, the Purple Death, ravages the earth. Dr. Zarkov, investigating in his spaceship, finds a ship from planet Mongo seeding the atmosphere with...
The Man with Nine Lives (1940)
A medical researcher visits the deserted home of a pioneer in cryogenic science who disappeared 10 years earlier and finds him frozen in ice but still alive.