Hoppy's friend Dennis owns a rich gold mine. Frazier who owns the adjoining mine and wants the Dennis mine, has Dennis killed. Hoppy steps in to take over running the Dennis mine and learns Frazier's men sneak into and work the Dennis mine at night. Hoppy captures one of Frazier's men only to be captured in return by Frazier and left to die in a burning building.

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...

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

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

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

A cowboy and a beautiful girl inherit a supposedly haunted gold mine.
Evil Red Sampson and his band of rustlers shoot up Mineral Point, the ranch of William Conway, owner...

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

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...

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...