Swing, Cowboy, Swing

A man framed for a series of Wells' Fargo stage robberies and a comical sheriff's deputy join forces to uncover the real robbers, unaware that a U.S. Marshal assigned to the case and the Mayor of the town which is at the center of the robberies, are the leaders of the gang.

As was customary in his late Monogram westerns, Johnny Mack Brown plays an undercover agent in Colorado Ambush. Brown is sent to Colorado to stem the activities of a particularly vicious outlaw gang

Wells Fargo agents Jack Douglas (Kirby Grant) and Bosco O'Toole (Fuzzy Knight) are sent after a gang of stage robbers. Danny Burton (Bernard Thomas, brother of Laura Burton (Jane Adams, is implicated before Jack is able to prove that saloon owner Lee Fain (Danny Morton) is the man behind the outlaw gang.

A former outlaw becomes a Wells Fargo guard, but when the stagecoach is robbed, he becomes a wanted man once again.

Honest Plush Brannon is a con-man thrown out of the Barbary Coast in San Francisco in the 1880s and headed for the gold rush region of Nevada. He discovers a real mine which lead to several complications.

A former sheriff relentlessly pursuing the 7 men who murdered his wife in Arizona crosses paths with a couple heading to California.

In one of his better Monogram Westerns, Johnny Mack Brown goes up against a crooked saloon owner with more than one murder on his conscience. Steve Corbin (Tristram Coffin) and his gang of cutthroats are terrorizing the townspeople of Rimrock, who in self-defense hire Johnny Macklin (Mack Brown) as new town marshal.

Wells Fargo hires three cowboys to clean up a lawless town.

Having served a prison sentence for robbery, Pete Carver decides to go back for the hidden loot. But someone is on his trail.

When Ranger Raymond is killed during a stage holdup, Wells Fargo Agent Whip Wilson assumes his identity.

Cheerful outlaw Charlie Boles leaves former partners Lance and Jersey and heads for California, where the Gold Rush is beginning. Soon, a lone gunman in black is robbing Wells Fargo gold shipments. One fateful day, the stage he robs carries old friends Lance and Jersey...and notorious dancer Lola Montez, coming to perform in Sacramento. Black Bart and Lance become rivals for both Lola's favors and Wells Fargo's gold.

Wells Fargo hires bounty hunters to protect its gold transports from the notorious outlaw Glenn Kovacs. Jeff Sullivan, one of the hired gunmen, buys the freedom of Dan Barker, a prisoner who may lead him to Kovacs. When Barker escapes from Sullivan, the other bounty hunters pursue him also, leading to the ultimate showdown between all parties.

A United States marshal uncovers a plot to steal the valuable gold-laden property of ranchers.

Dr. Frankenstein's Granddaughter Maria, and her brother assistant Rudolph, moved to the old west because the lightning storms there are more frequent and intense, which allows them to work on the experiments of their grandfather. But the experiments are failing and Rudolph's been secretly killing the corpses afterwards. Meanwhile, the Lopez family leaves the town because of the evil going on there

A former sheriff begins to persecute the gang led by Pedro Ortiz, after his wife is taken away.