The House Without a Key

As a reporter, Dick Farrington is sent to cover an assignment that promises a big story. A lawyer has advertised for an ex-Marine who is a boxer. He makes good beating up a gang of roughnecks picked for the purpose, and secures the mysterious job that is filled with danger. It is to guard the heiress Lady Chatfield, but the hero is told nothing as to the secret in back of it all. Dick poses as Lord Grantmore, wears a monocle, and otherwise acts like a titled Englishman. They proceed to the mining town of Goldbrook, where the heiress is to occupy a mysterious mansion on the occupancy of which hinges a great fortune. The engineer of the mines is deeply interested in thwarting the plans of Lady Chatfield, and with his gang of roughneck miners makes things lively for the pugilist star in a series of fights that are hair raisers.

The drought-plagued ranchers of Sundown have to market their cattle at a loss in order to meet mortgage payments held by banker Cylus Cuttler. Then, Sheriff Tex Rockett is forced to quarantine all the cattle on the local ranches because of a hoof-and-mouth disease outbreak. Steve Davis herds his cattle to the railhead anyway, and Tex is forced to arrest him. Urged on by the banker's son, Nick Cuttler, the angry ranchers storm the jail, but Steve's sister Bee persuades them to await the trial. Steve, with Nick's help, breaks jail and is told he must kill Tex to aid the ranchers. Meanwhile, government man Bret Stockton and Tex see Nick and his men treating cattle in an unusual way. Tex finally proves that the Cuttlers have been treating the cattle with acid to give a false impression of the hoof-and-mouth disease.

Columbia Pictures elevated stunt man Jock O'Mahoney to stardom in this 15 chapter western serial about the building of the transcontinental railroad. O'Mahoney played a railroad agent who uncovers the master criminal behind a series of sabotage attempts on the construction site.

Cartwright's racket is to sell a ranch and then have Mason and his men drive the ranchers away so he can resell it. If they want their money back he gives it to them and then has them killed. Jack arrives and learns that Mason and his men are the culprits but that they have a boss. He suspects Cartwright and sets trap to expose him.

Columbia Pictures elevated a run-of-the-mill B-western supporting player, Marshall Reed, to the title role in this equally run-of-the-mill western serial released in 15 chapters. Like most serials in the '50s, Riding with Buffalo Bill consisted of quite a bit of budget-stretching stock footage telling a highly fictionalized account of Buffalo Bill Cody aiding a group of ranchers in their defeat of a local crime lord. The serial's assistant director, Leonard Katzman, later produced the long-running television series Gunsmoke and Dallas.

A man returning home after having fought in the Civil War discovers that corrupt politicians have taken over the county and are terrorizing and shaking down the citizens. He dons the costume of his ancestor, the famous Zorro, and sets out to bring them to justice.

Greedy oil speculators, led by Morgan, are trying to force Tiger Woman and her band of warriors from their jungle home. Allen Saunders of Inter-Ocean Oil wants to develop the oil, too, but fights with Tiger Woman to stop the bad guys.

Two Boy Scouts win an around-the-world trip with a crack aviator, and find themselves crash-landed in the South American jungles after the ace forgets to refuel in Ecuador.

10 chapter serial wherein a mysterious vigilante known as "The Tiger" steals loot from major criminals, drawing a wide variety of individuals into a fast-paced web of danger and thrills. 1) The Storm Breaks 2) The Tiger's Mark, 3) The Secret Mission, 4) The Danger Trail, 5) The Gas Chamber, 6) Behind the Clock, 7) The Tiger's Claw, 8) Prisoners in the Sky, 9) A Desperate Chance, 10) The Sky Clears.

The Yellow Cameo is a 1928 American adventure film serial directed by Spencer Gordon Bennet.

"The Adventures of Sir Galahad" is the 41st serial released in 1949 by Columbia Pictures. It was was based on Arthurian myth and legend. Galahad is tasked with guarding Excalibur over night to prove he is worthy to become a Knight of the Round Table. When the sword is stolen, he must search the land to reclaim Excalibur and restore his owner.

Jungle-Jim type Johnny Weissmuller helps Professor Blakely look for a missing colleague who is now playing "god" for a bunch of natives.

It is 1865 and Union prisoners use a military balloon to escape a Southern prison camp near the end of the Civil War. The balloon drifts for days and finally lands on a mysterious volcanic island with very unusual inhabitants. Also landing, in a better aircraft, is Rulu, a visitor from Mercury. She seeks a radio-active material that will enable her to manufacture an explosive that will destroy the world or, at least, the portion known as Earth in this 15 Chapter Serial from the 1950s.

A new town doctor arrives at the same time as local Indians needprotection from troublemaking looters.

Superman comes to Earth as a child and grows up to be his home's first superhero with his first major challenge being to oppose The Spider Lady.

Willie Duggans, a tenderfoot from the east, arrives in the wild west and soon experiences its violence. Willie discovers the easy money in bounty killing and must choose between that violent lifestyle and the love of a beautiful saloon singer.