An evil scientist invents a earthquake machine and plots to take over the world from his base in Africa.
Disaster seems imminent when scientists discover that the planet Mongo is about to crash into Earth....
Part of the artificial-creature series encompassing Der Golem (1914 and 1920), Alraune (1918, 1928, ...
The nefarious Dr. Fu Manchu searches for the keys to the tomb of Genghis Khan, in order to fulfill a...
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...
Dr. Ernst Grood , having already dominated the planet Ergro, now intends to take over the control of...
Mota is a Martian representative, who has come to impose interplanetary law on the Earth (which has ...
A newspaper publisher and his Korean servant fight crime as vigilantes who pose as a notorious maske...
Man-woman team of investigators uncover a gang whose mad scientist leader has developed an invisibil...
A famous scientist invents a humanoid robot (the titular "monster"), so a greedy rival scientist pla...
Prof. Millard pretends to be dead and helps Jeff King ferret out Vulcan, the evil traitor at the sci...
It is 1865 and Union prisoners use a military balloon to escape a Southern prison camp near the end ...
The Daily Clarion hires detective story writer Steve Colt to investigate the deaths of a group of sc...
A mad scientist named Dr. Satan plots to steal key pieces of technology to enable him to build an ar...
On a scientific expedition to Siam young Billy Batson is given the ability to change himself into th...
Brick Bradford, soldier-of-fortune and time-machine traveler, is hired to protect the Interceptor Ra...
Space hero Captain Video battles the evil Vultura on the planet Atoma.
Commando Cody, 'Sky Marshal of the Universe', works with American scientists Joan Gilbert and Ted Ri...
A mad scientist attempts to rule the world by creating various elaborate inventions.
A mysterious plague, the Purple Death, ravages the earth. Dr. Zarkov, investigating in his spaceship...