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 northwest on the trail of Bart Randall who is wanted for murder and bank robbery in the states. In Canada, Randall is a little more upscale and uses a hydra-plane and a fake totem to over-awe the Indians. Laramie is aided in his search by RCMP Sergeant Gray and by Donna Blane, who is suspected at first of giving information to Randall, but who is actually a Canadian secret agent investigating Randall's gun-trading with the Indians.

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 Indians against the Mounties, whom he blames for creating trouble.

The mysterious Don Del Oro ("Lord of Gold"), an idol of the Yaqui Indians, plans to take over the gold and become Emperor. Francisco was put in charge of a legion to combat the Yaqui tribe and protect the land, but when attacked Zorro came to his rescue. Francisco's partner recognized Zorro as the hidalgo Don Diego Vega, then ask him to take over the fighting legion as his alter-ego Zorro.

15-episode serial directed by Paul Hurst and J.P. McGowan.

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.

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

Silent cowboy Western serial.

Homesteaders are moving into the valley settled many years ago by rancher Craig Dolan. He wants to keep them out by legal means but his nephew Bart brings in outlaws to drive them out. The Lone Ranger is on hand to help the homesteaders battle Bart's men as he overcomes traps, ambushes, burning buildings and other obstacles in his attempt to bring peace to the valley.

The Canadians have discovered a valuable substance called Compound X, which can cure infantile paralysis. When a country at war with Canada learns that Compound X also contains magnetic properties that could aid them in their warfare against the British, they send agents to infiltrate Canada and steal a large quantity of the substance. It's up to Sgt. King (Allan Lane) and his Mounties to track down the agents and put an end to their scheme.

This 12-part serial concerns the efforts of the infamous James brothers (of which Jesse was a prominent member) to become normal everyday citizens. Of course, there's no room in the Wild West for reformed outlaws, and the duo inevitably find themselves caught up in showdowns and robberies.

In this Western, comprised of 12 chapters from a serial, Kit leads a group carrying a large gold shipment across the wild West. When the Mystery Riders attack and steal the gold, Kit is the only survivor. He later joins forces with the cavalry to retrieve it.

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.

Heavyweight boxing champion Jack Dempsey stars in this 15 chapter action serial, of which portions of reels 1, 2, and 4 survive. In the serial he plays the star fullback of his college's football team who gets drawn into an adventure when he stops to rescue a young woman from some thugs on a country road. It includes a gag featuring an exploding football. The rest of the cast includes Lon Chaney, Edgar Kennedy, Bull Montana, Josie Sedgwick and Herschel Mayall.

Serials usually spawned feature film versions, but with this film, it was the other way around. A 1932 Buck Jones Western, White Eagle was made into a serial nine years later, again starring Jones in the title role, a (supposedly) Native American Pony Express Rider defending his people against a gang of evil Whites.

Jeff Scott is sent to investigate problems with wagon trains attempting to make the journey to Oregon. Sam Morgan has sent his henchmen, under lead-henchman Bull Bragg, to stop the wagon trains in order to maintain control of the fur trade in the area.

William Desmond plays Jim Davis, a secret service agent by day and masked avenger by night. Ethlyne Clair provided feminine appeal, while Bud Osborne, as the notorious Butch Bradley, and a young Boris Karloff took care of the villainy.

A 15-chapter Western serial. The serial involves the mystery of the murder of William Stillman (Wells) and the finding of the heir to his fortune. Silent Joe (Farnum) arrives in an effort to discover the murderer and prove that he is the true heir. He and the heroine Lou (Anderson) have their adventures in the mountainous terrain with its "vanishing trails." They are aided by The Shadow (Orlamond), a demented scientist with his trained dog, and several remarkable, death-dealing inventions.

B-Western regulars Jack Perrin and Marilyn Mills starred in this obscure, low-budget Western serial released in 15 chapters.

18 episode adventure serial. 1. Westward Ho!, 2. White Treachery, 3. Across the Continent, 4. Message of Death, 5. Wagon of Doom, 6. Secret Foes, 7. A Man of God, 8. Seeds of Civilization, 9. Justice, 10. The New Era, 11. A Game of Nations, 12. To Save an Empire, 13, Trail of Death, 14. On to Washington, 15. Santa Fe, 16. Fate of a Nation, 17. For High Stakes, 18. Victory

Efforts to build a transcontinental railroad are resisted by crooks and Indians on the warpath. A 12-chapter movie serial.