Hoppy, Lucky and California search for a mine owned by Trudy Pendleton after it was taken from her by thw swindling gambler Ace Gibson. They find the mine and Hoppy fights Gibson over it.

Stan and Ollie try to deliver the deed to a valuable gold mine to the daughter of a dead prospector....

On her b-day, settler's daughter Apanatschi receives her father's secret gold mine but greedy neighb...

Two jobless Americans convince a prospector to travel to the mountains of Mexico with them in search...

To restore his family's lost wealth, a young Boston lad stows away on a ship bound for the Californi...

Rex, Slim and the boys are fired by a wealthy rancher but decide to help him out when his daughter i...
Evil Red Sampson and his band of rustlers shoot up Mineral Point, the ranch of William Conway, owner...

Henry Moon is captured for a capital offense by a posse when his horse quits while trying to escape ...

The U.S. government recognizes land grants made when the West was under Spanish rule. This inspires ...

Rod Drew hunts for a missing girl and finds himself in a fight over a goldmine as well.

A trio of American adventurers marooned in rural Mexico are recruited by a beautiful woman to rescue...

Chip has inherited a supposedly worthless gold mine from her father and Craig Allen is about to buy ...

Hoppy's friend Dennis owns a rich gold mine. Frazier who owns the adjoining mine and wants the Denni...

The local school is causing Hoppy problems. First Bar 20 cattle are stolen when Hoppy investigates a...

Escaped criminal "The Fox" hates Hoppy and a Rurales colonel for imprisoning him and lures Cassidy t...

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

Hoppy and Lucky are headed to South America to deliver a heard of cattle. Bay guy Ralph Merritt gets...

Hoppy goes undercover as a gambler from the East when Bar 20 cattle are stolen by unknown rustlers. ...

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...