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An evil ranch foreman tries to provoke a range war by playing two cattlemen against each other while helping a gang to rustle the cattle.

In New Mexico, a cowpoke forces a banker at gunpoint to give him a loan without collateral in exchange for an IOU, but the marshal and his posse chase after him.

A railroad man and the owner of a freight line battle for control of a crucial mountain pass.

A crusading newspaper editor recruits his old friend Hoppy to take the job of marshal in a town rife with vice and murder directed at helpless miners.

Belle Langtry runs a town being taken over by cattle rustlers. She is also a front for the outlaws, who are led by Steve Fraser. Hoppy gets elected sheriff and cleans up the town with help from the Bar 20 boys.

Two men join forces to build a cattle empire, battle rustlers, bad weather and each other.

Hoppy's brother has been murdered and he is on the trail of the murderers. To get them he makes himself seem to be a wanted man.

A cowboy injured fighting bank robbers awakens to find he's the new marshal. He faces off against the corrupt town banker who's exploiting the locals.

The usual gang of bad guys is out to grab up all the available ranch land. This time their object is land belonging to Chinese. As an aside, Hoppy leads some archaeologists through parts of California.

When three Texas Rangers try to investigate kidnapped Mexicans being used as forced labor in the mines of Silver Bullet, they are framed for murder by the town's corrupt sheriff.

John Abbott returns to the desert land he owns, and after being wounded by hired gunman Chick Chance, he is befriended by rancher Andrew Naab and his son, Marvin. Naab's daughter, Marian, falls in love with John but is about to marry Snap Thornton to keep a promise made by her father. She runs away on her wedding day but is captured and held hostage by outlaw Henry Holderness. John, the Naabs and fellow ranchers rush to her rescue.

To obtain water rights, bad guy Mark Foster murders the heir to a cattle ranch and puts an imposter in his place.

Cattle rustler Nevada dreams of living like an emperor in the West. Hoppy and the Bar 20 boys aim to put an end to his dream.

Due to a bet drunk Gene almost forces Majesty to marry him, then escapes after brawling with sheriff Tom. Majesty buys a ranch, needs Gene's help and finds him in a drunken stupor in Mexico. He vows to stay sober and fights crooked Tom.

An evil gang is involved in both cattle rustling and the robbing of stagecoaches. Hopalong Cassidy, Hoppy, must stop them without help from the sheriff who turns out be a major outlaw himself.

Lorna Drake has inherited a ranch. Hoppy teaches her a bit about ranching and handles Scar Lewis, the bad guy, in the process.

Hopalong Cassidy (William Boyd) comes to the rescue of the railroad when a land baron and his gang try to prevent its construction.

When Hoppy's falsely accused young friend is killed while supposedly trying to escape from jail, an embittered Hoppy is blamed and drummed out of the Texas Rangers.

Hoppy, Johnny and California go to Arabia to buy some horses. There they get involved with a sheik and a harem and a kidnapping plot.

Bat Masterson's girl tries to get him to give up gunfighting and become a respectable journalist, but Bat has other problems - his rival is in town gunning for him.

Sheriff Hoppy has to find a way to bring the bad guys, headed by Tom Jordan, to justice in the Lone Star state. The problem is that they are hiding out beyond his jurisdiction, in Oklahoma.

While oil drilling, Hoppy and California discover an underground well - a potential threat to Jebb Hardin's monopoly on water in the region.

A former Bar 20 cowhand is now a cattle rancher and having trouble with rustlers. Hoppy and the Bar 20 gang ride in and surround the the bad guys. June Winters joins the posse and serves as the romantic partner for posse co-leader Lucky.

Stephen Westcott and Ed Martin scheme to put Jane Travers' wagon line out of business. They want to use it take over all the wagon- train traffic going west. Hoppy, California and Lucky must make sure that doesn't happen.

A pretty and gentle schoolteacher from Boston transforms the lives of a spoiled boy and the other residents at 'Bar 20' Ranch, and is courted by Crockett city's Mayor, who is really a livestock thief.