A young Eastern lawyer, seriously injured in a stage holdup, secures the help of Hoppy, California and Jimmy in completing his mission to his woman cousin's ranch in Texas. The ranch, as are others in the same area, is being plagued by a gang called the Night Riders, while the friendly local town lawyer is trying to cajole the cousin into selling out to him. Hoppy begins by arriving in the town, separate from his pals, all spiffed up and dandified, posing as the Eastern lawyer...
Hoppy is leading a scientific expedition and the Chinese who have a hidden settlement nearby are try...
Hoppy, California, and Lucky travel to Mesa City for a short vacation. California buys new clothes a...
Hoppy, California and Lucky take refuge from a storm inside a supposedly abandoned church outside a ...
A town bedeviled with outlaws sends for Hoppy, Lucky and California after their own vigilante commit...
Hoppy and his pals arrive in a remote town to investigate the counterfeiting of both U.S. and Mexica...
Hoppy, California and Johnny come to the ranch of a friend and his daughter, disguised as dude detec...
Hoppy, Johnny and California go to Arabia to buy some horses. There they get involved with a sheik a...
Burton is after Clark's ranch. He gets the banker to refuse to renew Clark's note and then sends his...
Stagecoach robbers take the money Hoppy was going to use to buy cattle so Hoppy, California and Lin ...
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...