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.

A cowboy and a beautiful girl inherit a supposedly haunted gold mine.

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

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

Rex, Slim and the boys are fired by a wealthy rancher but decide to help him out when his daughter i...

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

Billy the Kid and his pal Fuzzy escape from the Marshal and find themselves in the ghost town of Lar...

Stan and Ollie try to deliver the deed to a valuable gold mine to the daughter of a dead prospector....
Evil Red Sampson and his band of rustlers shoot up Mineral Point, the ranch of William Conway, owner...

When the outlaw El Toro saves Hoppy's life, Hoppy agrees to find his missing grandson.

Julie's husband has been murdered and land agents want her to sign away her property rights. Hoppy w...

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...

Buck Colins heads a group of local ranchers who are trying to prevent the railroad from completing i...

Hoppy goes to town to help Marshal Windy with some rustlers and winds up helping the widow Joyce whe...

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...

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