The Valley of Vanishing Men

A serial in 12 chapters. Tarzan goes to Guatemala to find his lost friend, D'Arnot. On the way he helps Major Matling search Mayan ruins for hidden...

On the American frontier in the last decades of the 19th century, Billie is a female cowboy who fights a series of bad men in this film serial.

A movie serial in 12 chapters: The famous comic strip character is on a mission to protect a secret tunnel passage between China and India.

Constable Ward is assigned to track down a mysterious villain known only as The Leader. Trying to locate a secret gold mine, The Leader pits the...

Irrepressible Helen Rhinelander, the daughter of a railroad president. A dastardly villain, Segrue, however, desires not only Helen but also the...

In the 56th (and next-to-last serial) made by Columbia Pictures, Montana Deputy Dan Lawson, posing as an outlaw called Laramie, goes to the Canadian...

A movie serial in 12 chapters: After gold is discovered in the town of Nugget, the titular band of thieves and cutthroats inundates the frontier...

The nefarious Dr. Fu Manchu searches for the keys to the tomb of Genghis Khan, in order to fulfill a prophecy that will enable him to conquer the...

Disaster seems imminent when scientists discover that the planet Mongo is about to crash into Earth. Luckily, heroic young Flash Gordon is on hand to...

When the unscrupulous Carlos Manning discovers that an old Spanish land grant recently unearthed will leave a huge section of California real estate...

Madge Clayton, a society girl, mysteriously disappears. The police suspect a master criminal is behind the girl's abduction, but her brother, Bob,...