An evil scientist invents a earthquake machine and plots to take over the world from his base in Africa.
A newspaper publisher and his Korean servant fight crime as vigilantes who pose as a notorious maske...
Part of the artificial-creature series encompassing Der Golem (1914 and 1920), Alraune (1918, 1928, ...
A Martian invader crashes his spaceship conveniently close to the workshop of a scientist who is dev...
Claire Forrest seeks her kidnapped scientist father, hidden somewhere on Mystery Island. He is hel...
Disaster seems imminent when scientists discover that the planet Mongo is about to crash into Earth....
Man-woman team of investigators uncover a gang whose mad scientist leader has developed an invisibil...
Two marine lieutenants battle a masked would-be world conqueror who uses electricity as a weapon.
A mad scientist named Dr. Satan plots to steal key pieces of technology to enable him to build an ar...
Dr. Ernst Grood , having already dominated the planet Ergro, now intends to take over the control of...
The nefarious Dr. Fu Manchu searches for the keys to the tomb of Genghis Khan, in order to fulfill a...
Buck Rogers and Buddy Wade are in the middle of a trans-polar dirigible flight when they are caught ...
A famous scientist invents a humanoid robot (the titular "monster"), so a greedy rival scientist pla...
The Daily Clarion hires detective story writer Steve Colt to investigate the deaths of a group of sc...
A mad scientist attempts to rule the world by creating various elaborate inventions.
Commando Cody, 'Sky Marshal of the Universe', works with American scientists Joan Gilbert and Ted Ri...
Prof. Millard pretends to be dead and helps Jeff King ferret out Vulcan, the evil traitor at the sci...
A mysterious plague, the Purple Death, ravages the earth. Dr. Zarkov, investigating in his spaceship...
Space hero Captain Video battles the evil Vultura on the planet Atoma.
On a scientific expedition to Siam young Billy Batson is given the ability to change himself into th...
Crash Corrigan, a recent graduate of Annapolis, and Diana, a go-getting reporter, join Professor Nor...