Tom King Jr. seeks to discover who murdered his father, a Texas Ranger; the trail leads to a network of Axis spies.

King of the Candian riding police is up against Japs and Nazis who are about to invade Canada. They ...

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...

When the unscrupulous Carlos Manning discovers that an old Spanish land grant recently unearthed wil...

In the 56th (and next-to-last serial) made by Columbia Pictures, Montana Deputy Dan Lawson, posing a...

A serial in 12 chapters. Tarzan goes to Guatemala to find his lost friend, D'Arnot. On the way he h...

Constable Ward is assigned to track down a mysterious villain known only as The Leader. Trying to lo...

A beautiful young woman is a daring master thief. She meets the young millionaire Thomas Babbington ...

Professor Campbell's expedition into the hills of Libya obtains a papyrus which might reveal the hid...

A lady reporter and two college students search for the "Gold Special," a train that disappeared wit...

A mad scientist named Dr. Satan plots to steal key pieces of technology to enable him to build an ar...

A gang of land-grabbers tries to prevent safe passage of the Foster Stage Company through frontier t...

Two prospectors, one the father of Sky "Lightning" Bryce and the other the father of Kate Arnold, fi...

Rosalind Joy is a constantly imperiled heiress to a fortune in gold. An 18 part adventure serial

Richard Grant, imprisoned in India for a crime he did not commit, escapes and makes his way to Afric...

The Timber Queen follows Ruth Rowland as the inheritor of a wealthy timber business who tries to st...

Japanese spies attempt to subvert America's war effort; G-Men attempt to thwart their plot.