Government agents work to interfere with schemes to trick the Comanches into war with the Texans.
Kit Cardigan seeks the killer of his father...among other plot threads leading up to the famous historical incident.
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.
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.
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.
Buffalo Bill Cody battles a gang of outlaws secretly headed by an unscrupulous lawyer.
Calvin Drake employs a group of low-lifes to drive away land owners along the path of a new railroad; Red Ryder opposes this strategy.
Beyond Hell's Gate Pass is territory controlled by a man who calls himself King Carter; he uses a variety of schemes to prevent the railroad from being built, for fear it will finish his control of (what he considers) his land.
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.
Tom King Jr. seeks to discover who murdered his father, a Texas Ranger; the trail leads to a network of Axis spies.
The Phantom Rider helps Mary Grayson thwart a plot to steal her land.
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.
Prospector Henry Tolliver disappears and his son "Wild Bill" Tolliver comes looking for him.
Two investigators for a stagecoach company are assigned to find out why the company's stages keep being ambushed. They discover that the culprits are white men disguised as Indians, and they set out to discover who is behind the plot.
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.
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.
King of the Candian riding police is up against Japs and Nazis who are about to invade Canada. They just want to clear the way with a new futuristic plane called "The Falcon" first, but that's not gonna happen if Kig has his way.
A gang of land-grabbers tries to prevent safe passage of the Foster Stage Company through frontier territory.
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.