U.S. Marshals "Nevada" Jack McKenzie and "Sandy" Hopkins go undercover to bust a gang of stagecoach robbers in this vintage Western serial. Nevada infiltrates the gang, while Sandy works as a cobbler in town, keeping an ear open for local gossip as they try to flush out the inside man tipping off the crooks.
Marshall "Big Jim" Cole turns in his badge and heads to Wyoming with his family in order to settle on some land left him by a relative. He faces opposition both from a neighbor who wants that land for his own sons, and from a grizzly bear nicknamed "Satan" who keeps killing Cole's livestock.
When an oil discovery is reported at Paxton, Oklahoma, Marshal Rex Allen immediately suspects that where there is oil, there is trouble. Rex arrives just as a band of desperadoes stage a bank hold-up and escape with $25,000 which ranchers have invested in prospective oil drillings.
Harvard graduate James Averill serves as the sheriff of prosperous Jackson County, Wyoming, standing at the center of a conflict between impoverished immigrants and affluent cattle farmers. Politically connected ranchers enlist mercenary Nathan Champion—who is also vying for the affections of local madam Ella Watson—to combat the immigrant uprising. As tensions escalate, both Averill and Champion start to question their decisions.
A gunfighting stranger comes to the small settlement of Lago. After gunning down three gunmen who tried to kill him, the townsfolk decide to hire the Stranger to hold off three outlaws who are on their way.
Finding a man alone in the desert, Marshal Tom is relieved - of his horse, clothes and water. When he catches up to Raven, he finds him dying from drinking bad water. When he gets to Gunsight, everyone thinks that he is the outlaw Raven and he plays it out so that he can end lawlessness.
A bandit kidnaps a Marshal who has seen a map showing a gold vein on Indian lands, but other groups are looking for it too, while the Apache try to keep the secret location undisturbed.
Disguising himself as an outlaw, a marshal comes to the aid of a man and his daughter who are being terrorized by a criminal gang.
Tom Benner controls the town and the water supply. When his stooge Mayor rebels, he has him killed and replaced with Bullseye Johnson who immediately brings in Matt Canway as the town marshal. Conway doesn't carry a gun but he is soon on to Benner and out to prove that Benner has altered the survey lines to obtain the water rights.
Valentine Casey is a Marshal in the desolate Tucson territory of the early 1900s. On Christmas Eve, his outlaw family pays him a disturbing visit. He must confront the sins of his past. He and his partner, U.S. Christmas, journey through the desert to a small town that the ruthless Henry Clan has hit in order to save Casey's love, Adelyne.
When transplanted Texan Bob Seton arrives in Lawrence, Kansas he finds much to like about the place, especially Mary McCloud, daughter of the local banker. Politics is in the air however. It's just prior to the civil war and there is already a sharp division in the Territory as to whether it will remain slave-free. When he gets the opportunity to run for marshal, Seton finds himself running against the respected local schoolteacher, William Cantrell. Not is what it seems however. While acting as the upstanding citizen in public, Cantrell is dangerously ambitious and is prepared to do anything to make his mark, and his fortune, on the Territory. When he loses the race for marshal, he forms a group of raiders who run guns into the territory and rob and terrorize settlers throughout the territory. Eventually donning Confederate uniforms, it is left to Seton and the good citizens of Lawrence to face Cantrell and his raiders in one final clash.
Former buffalo hunter and entrepreneur Wyatt Earp arrives in the lawless cattle town of Wichita Kansas. His skill as a gun-fighter makes him a perfect candidate for Marshal, but he refuses the job until he feels morally obligated to bring law and order to this wild town.
Johnny Mack Brown goes up against a lady bank robber in this average Mack Brown series late-entry from Monogram. The lady, played by Barbara Allen, is of course called "Ma." In order to get the goods on "Ma" and her "brood," Mack Brown must masquerade as a lone bandit.
Local "patriot's league" leader secretly kills off ranchers, buys up their estates, which are undermined with tin ore; Marshal and singing cowpoke team up to find villain and motive.
A crusading newspaper editor recruits his old friend Hoppy to take the job of Marshall in a town rife with vice and murder directed at helpless miners.
A Marshal must face unpleasant facts about his past when he attempts to run a criminal gang out of town.
When a gang of ruthless claim jumpers brutally murders his miner father, a gunman known as the Silver Kid joins forces with the local marshal to free the tiny town of Silver City from the clutches of the dastardly villains.
Following the Civil War, brothers Dan and Neil Hammond return to Texas, where ambitious Dan turns to rustling and then shady land deals to build an empire. Being held for a murder, he's rescued from a lynch mob by Neil, now the Marshal, but they have an inevitable falling-out.
Bat Masterson's old friend Billy Burns convinces him to become marshal of Liberal, Kansas and help the residents fight drought and a destructive range war.
An upstart outlaw baits a legendary gunslinger, now a marshal in love with a saloon keeper.