The Diamond from the Sky

Tom Devon, alias Reginald Briand, is the mastermind behind an organization of gentlemen thieves, including Jimmy Stevens and Rudolph Gambier. Jimmy falls in love with Tom's innocent daughter, Gloria, after he rescues her from an embarrassing scene in a restaurant. Tom disapproves of the romance and decides to dissolve the partnership. When an embittered Rudolph kills Tom he frames Jimmy, but Gloria is determined to clear him. Posing as a thief, she seeks the truth.

Adventures of an American Secret Service-girl in search of an important German secret during the war. Chapters: [1] “The Great Secret,”; [2] “Marked for Death,”; [3] “The Gas Chamber,”; [4] “Below the Waterline,”; [5] “The Acid Bath,”; [6] “The Unknown,”; [7] “The Betrayal,”; [8] “A Crippled Hand,”; [9] “Woes of Deceit,”; [10] “The Inn of Dread,”; [11] “The Death Studio,”; [12] “The Chance Trail,"; [13] “Wings of Mystery,”; [14] “The Hidden Way,”; [15] “The Secret Host"

Prof. Millard pretends to be dead and helps Jeff King ferret out Vulcan, the evil traitor at the science academy. Donning his Rocket Man costume King goes from one hair raising rescue to the next in order to keep the newly invented Decimator out of the clutches of Vulcan and his minions.

In this 12 Chapter serial the UN enlists trader Tom Rogers and Vivian Wells, to lead the effort to prevent the natives from starting a revolution in Burmatra and its neighbors.

In Africa, a deceased medical missionary's daughter in Africa carries on her father's work. Before long, she finds herself in danger from crooks and a local witch doctor.

A lady reporter and two college students search for the "Gold Special," a train that disappeared without a trace.

In the African desert, a white man, embittered at an injustice, turns his back on his kind and becomes the leader of a band of outlaws. But a chance encounter with a lovely young woman restores his faith in his race.

An Italian spy infiltrates a weapons factory in Germany.

The Timber Queen follows Ruth Rowland as the inheritor of a wealthy timber business who tries to stay independent of a cruel man who wants to marry her and steal her wealth. The UCLA Film and Television Archive has preserved episodes one, four, eight and nine, and distributor Harpodeon has preserved episode twelve.

The Legion's mascot, Cigarette falls for an Englishman, Bertie Cecil (Herbert Heyes), and when he is sentenced to a firing squad, she heroically takes the bullet herself.

After her father's death, socialite Elaine Fleetwood promises to marry a man she does not love. However, she leaves him at the altar during a wedding ceremony, cuts her hair and decides to disguise herself as a boy and go prospecting in northwest Tasmania. She meets a handsome miner who figures out she is a woman, saves her from a villain and marries her.

Jack Joyce, who worked in old Abner Hope's garage, was always dreaming of big schemes, but had no capital with which to realize them. Abner Hope, who is regarded as a "queer one," tell Jack that the world will end on September 1st, and gives him his savings to spend during the few remaining weeks. As a result, Jack becomes a king of power, and becomes engaged to Curt Horndyke's daughter, although he loves Mary Ellen, Abner's granddaughter. Then comes the climax - the end of the world - which, with its dénouement, makes one of the most fascinating endings ever screened.

A young man who has proven a failure in business goes to Alaska and enters the salmon-fishing industry, in direct competition with the father of the woman he loves.

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 jewels and an idol containing the formula for a powerful explosive. D'Arnot and the idol are rescued, but the idol falls into the clutches of the explorer Raglan.

A mad scientist named Dr. Satan plots to steal key pieces of technology to enable him to build an army of robots based on his prototype to conquer America. The only one standing in his way is Bob Wayne, who fights Satan as the enigmatic Copperhead. Mysterious Doctor Satan is a 1940 film serial named after its chief villain. Doctor Satan's main opponent is the masked mystery man, "The Copperhead", whose secret identity is Bob Wayne, a man searching for justice and revenge on Satan for the death of his step-father. The serial charts the conflict between the two as Bob Wayne pursues Doctor Satan, while the latter completes his plans for world domination.

A US cavalry officer rescues a mulatto girl, raised in Africa, from slavers.

The Wrecker wrecks trains on the L & R Railroad. One of his victims is Larry Baker's father. Baker wants to find the evildoer, among a host of suspects, but it will be difficult since the Wrecker can disguise himself to look like almost anyone

Aimee is a young girl betrothed to a rascal, Hamid Bey. An American archeologist, Jack Ryder, arrives to help the girl escape ending up in Bey's harem, but it takes the boy ten episodes to finally succeed.

Retired lawman Kentucky Wade and his three buddies, Mike Morales, "Dude" Hanford and "Trigger" Benton come to Brimstone and help their friends Larry Munro and his sister, Lucy , in their fight to retain control of Larry's rich ore mine. "Doc" Hardy , as an old friend of Wade's, joins them in their efforts to keep Matt Keeler , the scheming owner of "The Brimstone News", from his efforts to wrest control of Munro's property and mine. Keller employs a legion of henchmen, and sidelines at running runs guns to Red Hatchet and his tribe so they can also get in on the fray against the Munro's and Kentucky and friends.