Hopalong Cassidy

Hoppy and California must avoid angry, suspecting ranchers to find Lucky who has been hypnotized by snake oil salesman Doc Richards to deliver to him the proceeds of the Cattleman's Association sale made by Hoppy.

Hoppy and Red are asked to investigate missing shipments of rifles. Their efforts to find the guns before they reach the hands of Mexican revolutionaries are hampered by a sharp-shooting lady marshal.

When a young Mexican is framed for murder, Hoppy and Red hide him from a lynch mob and attempt to trap the real killer.

Hoppy tries to help a reformed criminal, the fiancee of a wealthy rancher's daughter, when his former associates try to blackmail him into robbing the cattlemen association's safe.

It's Hoppy and Red to the rescue when a rancher and a shyster lawyer attempt to drive immigrant settlers off their land.

Hoppy goes after a killer who's been manipulating a feud between two ranchers.

Hoppy and Red investigate a series of robberies where the bandits ride a short ways and then seem to disappear in thin air.

A boy asks Hoppy to investigate the death of his father who was killed after being accused of cheating at cards.

Red is stricken with amnesia and believes that he is a Spanish nobleman. This complicates Hoppy's efforts to save a young woman's mine from swindlers.

While in Mexico on business, Hoppy and Red agree to help a blind woman's son who is falsely accused on murder.

Red uses $1000 of Hoppy's money to invest in scrub land, because he hears of an irrigation ditch being dug to bring water to the worthless tract.

The U.S. Army asks Hoppy to investigate when a herd of horses desperately needed for the Spanish-American War is stolen from the ranch who was supposed to supply the herd.

Hoppy must work fast to prevent a range war between the cattleman's associaton and the interlopers.

While searching for a missing calf, Hoppy and Red are shot at from ambush. Hoppy isn't too concerned about the misunderstanding - the youths paid for the calf, after all - until he learns that the money he was paid with is counterfeit.