Buffalo Bill Cody battles a gang of outlaws secretly headed by an unscrupulous lawyer.

Roberts and Moore played an army scout and a pony express rider who come to the aid of settlers terrorized by a greedy rancher-turned-outlaw.

Stock-footage from Republic Pictures' earlier Zorro serials was served up once again in this 12 chapter cliffhanger, this time without the financially strapped studio having to credit Zorro creator Johnston McCulley or pay any royalties. Zorro simply became "Don Daredevil" (Ken Curtis), a foppish Easterner by day turned masked avenger by night. Like his not too distant relative, Don wore his disguise in order to battle nasty Roy Barcroft who, under a forged Spanish land grant, attempts to take over the surrounding ranch land.

In 1865, Captain Mark Smith of the Confederate Army leads a band of deserters to conquer Texas and rule it as a dictator. In one of his first actions, he captures and assumes the identity of Texas' new Finance Commissioner, Colonel Marcus Jeffries, after having the real man murdered. When a contingent of Texas Rangers enters the territory, Snead, one of Smith's men, leads them into an ambush by Smith's "troopers". The Rangers are apparently wiped out, although one injured survivor is left. The survivor, nursed back to health by Tonto, swears to avenge the massacre and defeat "Colonel Jeffries" and his men.

When Pegleg and his Black Raiders threaten the westward expansion of the United States, the government sends Kit Carson and David Brent to straighten things out.

Prospector Henry Tolliver disappears and his son "Wild Bill" Tolliver comes looking for him.

Kit Cardigan seeks the killer of his father...among other plot threads leading up to the famous historical incident.

Jesse James wants to start a new life in a new location, but quickly finds himself wrapped-up in protecting townsfolk from the machinations of evil oilmen.

Government agents work to interfere with schemes to trick the Comanches into war with the Texans.

Sergeant MacLane of the Mounties investigates the disruptive activities of a bunch of troublemakers.

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

The Phantom Rider helps Mary Grayson thwart a plot to steal her land.

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.

Scout William F. Cody (Joel McCrea) marries a U.S. senator's daughter (Maureen O'Hara), fights the Cheyenne and leads a Wild West show.

Buffalo Bill and Wild Bill Hickok join forces to establish a mail route that can get mail from St. Joseph, Missouri, to Sacramento, California, in ten days. Along the way they must battle bad weather, hostile Indians and outlaws intent on robbing the mail and shutting down the entire operation.

Buffalo Bill plans to put on his own Wild West sideshow, and Chief Sitting Bull has agreed to appear in it. However, Sitting Bull has his own hidden agenda, involving the President and General Custer.

Wild Bill Hickok, Calamity Jane and Buffalo Bill go up against Indians and a gunrunner.

Awkward Annie loves her sharpshooting rival in Buffalo Bill's Wild West Show.

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.

When the young Texas Ranger, John Reid, is the sole survivor of an ambush arranged by the militaristic outlaw leader, Butch Cavendich, he is rescued by an old childhood Comanche friend, Tonto. When he recovers from his wounds, he dedicates his life to fighting the evil that Cavendich represents. To this end, John Reid becomes the great masked western hero, The Lone Ranger. With the help of Tonto, the pair go to rescue President Grant when Cavendich takes him hostage.