U.S. Marshal Hopalong Cassidy is called when a town becomes overun with bad guys. Disguised as a member of a medicine show, Hoppy discovers that the ringleader is none other than sweet li'l ol' Ma Burton.
Two young horse traders guide a Mormon wagon train to the San Juan Valley and encounter rugged terra...
Roy and Gabby fight bad guys to save the town of Deadwood.
Hoppy's ranch is threatened by rustlers. Hoppy and the gang oblige as usual.
Hoppy, California, and Lucky travel to Mesa City for a short vacation. California buys new clothes a...
A young Eastern lawyer, seriously injured in a stage holdup, secures the help of Hoppy, California 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...