Man-woman team of investigators uncover a gang whose mad scientist leader has developed an invisibility chemical and plans to build a mercenary army of invisible men.
Treasury agents go after a ring of counterfeiters operating out of a traveling carnival.
When a bank executive disappears, he is accused of stealing a fortune from the bank. But his daughte...
Two expeditions are trying to reach the Lost City of Zoloz -- one headed by Professor Davidson, a sc...
A Canadian Mountie and a young girl team up to prevent an evil couple from finding a fallen meteorit...
Buck Rogers and Buddy Wade are in the middle of a trans-polar dirigible flight when they are caught ...
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...
Greedy traders have kidnapped a researcher, hoping he will reveal the location of a treasure in a hi...
After a freak accident, an invisible yuppie runs for his life from a treacherous CIA official while ...
A team of two-fisted insurance investigators (one of whom disguises himself as The Masked Marvel) e...
Congo Bill is hired to locate an heiress lost somewhere in Africa.
A newspaper publisher and his Korean servant fight crime as vigilantes who pose as a notorious maske...
Miracles of the Jungle is a 1921 serial film
Young doctor Garondet is summoned by renowned Professor Orloff. At Orloff's castle, Garondet discove...
As novice detectives, Bud and Lou come face to face with the Invisible Man.
Prof. Millard pretends to be dead and helps Jeff King ferret out Vulcan, the evil traitor at the sci...