Hoppy goes undercover as a gambler from the East when Bar 20 cattle are stolen by unknown rustlers. Brennan/Talbot are twin brothers (one a casino owner, the other a rancher) and Hoppy believes they provide alibis for each other while one is out committing crimes. Hoppy gets a job in the casino to learn more but is exposed when a gambling gunslinger notices him.

Cowboy star Ken Maynard is Jim "Trigger" Morton, in town undercover while pursuing the man who frame...

When his cattlemen abandon him for the gold fields, rancher Wil Andersen is forced to take on a coll...

Notorious shootist and womanizer Quirt Evans' horse collapses as he passes a Quaker family's home. Q...

A posse discovers a trio of men they suspect of murder and cow theft and are split between handing t...

Bill Tracy is a Cattleman's Protective Association agent. Working undercover on his way to Sonora, a...

Bolton has organized a feud between the Rork's and the O'Neil's. He has rustled cattle and killed a ...

When Matt Kilgore and his men frame and then hang an innocent man, Lige Saunders sends for his son W...

Caldwell and Nixon have their men rob the stage and then critcize the Sheriff for not catching the r...

U.S. Marshal Hopalong Cassidy is called when a town becomes overun with bad guys. Disguised as a mem...

An evil gang is involved in both cattle rustling and the robbing of stagecoaches. Hoppy must stop th...

A crusading newspaper editor recruits his old friend Hoppy to take the job of Marshall in a town rif...

Problems come in the form of one of Hopalong Cassidy's neighbors, but the matter is settled when Hop...

The U.S. Army needs more horses for the Spanish-American War. Hoppy must turn his Bar 20 cowhands in...

Hoppy goes undercover as an outlaw (which permits him, for once, to drink and be mean to children) t...

Hopalong Cassidy, boss of the Bar 20 ranch in Texas, rides down the Camino Real in the New Mexico ca...

Hoppy returns to find Johnny in trouble. Buck Peters has been shot by Porter who made it look like J...

Hoppy clears Lucky on a charge of bank robbery and foils the plot of a crooked lawyer to rustle a he...

An evil deputy is using Indian half-breeds to rustle cattle. This causes trouble between the cattlem...

Belle Starr has returned from time in prison only to face a hail of bullets, along with rescue by Ho...

Hoppy, Johnny and Windy are fighting a malicious gang trying to stop a cattle drive from reaching a ...