Madge Clayton, a society girl, mysteriously disappears. The police suspect a master criminal is behind the girl's abduction, but her brother, Bob, and fiancé, Bert Moore, help with the search. They unearth a scheme to kidnap another girl, Natalie Van Cleef, and the evidence takes Bob and Bert to an estate on Long Island.
Disaster seems imminent when scientists discover that the planet Mongo is about to crash into Earth....
The nefarious Dr. Fu Manchu searches for the keys to the tomb of Genghis Khan, in order to fulfill a...
Filmed in the Sierra Nevada mountains near Sonora, California, this Universal serial is Universal's ...
The evil and masked "Gargoyle" is sabotaging all of America's industrial plants. It is up to the Spi...
Prospector Henry Tolliver disappears and his son "Wild Bill" Tolliver comes looking for him.
When the unscrupulous Carlos Manning discovers that an old Spanish land grant recently unearthed wil...
A movie serial in 12 chapters: The famous comic strip character is on a mission to protect a secret...
A movie serial in 12 chapters: After gold is discovered in the town of Nugget, the titular band of ...
The mysterious Don Del Oro ("Lord of Gold"), an idol of the Yaqui Indians, plans to take over the go...
Famed aviator Bruce Gentry is working with scientist Andrew Benson, setting out to uncover the origi...
Lieutenant Commander John Byrne of the Naval Secret Service and his partner Pvt. Bill Riggers chase ...
A gang of Tripolitan pirates swooped down and kidnapped 13 wealthy brides, whom they held for ransom...
Paris is prey to an invisible terror against which the police can do nothing: a sinister organizatio...
A mad scientist named Dr. Satan plots to steal key pieces of technology to enable him to build an ar...
A young girl is reared on a desert island by natives and led to believe that she is a goddess. One d...
Part of the artificial-creature series encompassing Der Golem (1914 and 1920), Alraune (1918, 1928, ...
Buffalo Bill Cody battles a gang of outlaws secretly headed by an unscrupulous lawyer.
A bunch of waterfront youths pursue the Sea Raiders, a gang of saboteurs.
Daniel Robin has become mixed up with a band of criminals known as "the 13," and is shot when he ref...
An Indian rug is the key to the location of a lost treasure. When the rug's owner is murdered, it b...