European bad guy Baron Bendor leads some local townsmen in a plot to obtain horses through theft. Hoppy and his sidekicks Lucky and Speedy must find and expose the horse thieves.

Hopalong Cassidy (William Boyd) comes to the rescue of the railroad when a land baron and his gang try to prevent its construction.

Hoppy and Lucky confront a gang of outlaws which has been ravaging stagecoaches and gold mines. The final gunfight is at Ed Colby's mine.

Outlaw Frayne is a member of Gamecock's rustlers. When he saves Holly Ripple and Cappy from Heaver's gun, she gives him a job offer and a chance to go straight. Now bringing back Ripple's ... See full summary »

U.S. Marshal Hopalong Cassidy is called when a town becomes overrun 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.

Hoppy is busy chasing stagecoach bandits who sing as they rob.

Hoppy, Lucky and California search for a mine owned by Trudy Pendleton after it was taken from her by the swindling gambler Ace Gibson. They find the mine and Hoppy fights Gibson over it.

A gang of teenage delinquents terrorize a small community by stealing cars and stripping them for parts, then selling the parts to a crooked junkyard owner. The police and an insurance company investigator set out to break up the gang.