The local school is causing Hoppy problems. First Bar 20 cattle are stolen when Hoppy investigates a problem there. Then the new teacher arrives and disrupts the routine of the…

John Abbott returns to the desert land he owns, and after being wounded by hired gunman Chick Chance, he is befriended by rancher Andrew Naab and his son, Marvin. Naab’s…

Cole Armin comes to Albuquerque to work for his uncle, John Armin, a despotic and hard-hearted czar who operates an ore-hauling freight line, and whose goal is to eliminate a…

Hoppy clears Lucky on a charge of bank robbery and foils the plot of a crooked lawyer to rustle a herd of pedigree cattle and take over the valley.

Rancher “Utah” Neyes crosses the border into Canada to meet his partner, only to find that the latter has been murdered by a gang led by “Nails” Nelson. “Utah”, with…

Hopalong Cassidy, boss of the Bar 20 ranch in Texas, rides down the Camino Real in the New Mexico cattle country near Alamogordo, in response to an urgent message from…

Hoppy and Lucky have been called in to investigate a series of stage holdups. The robbers are taking gold from Colby’s mine and Hoppy suspects it may be ex-outlaw Colby…

A town bedeviled with outlaws sends for Hoppy, Lucky and California after their own vigilante committee fails to solve the towns problems. Hoppy discovers that the bad guys are led…

Canadian Mountie investigates a murder posing as a criminal.

Belle Starr has returned from time in prison only to face a hail of bullets, along with rescue by Hoppy and the Bar 20 gang.

Hoppy and Lucky are headed to South America to deliver a heard of cattle. Bay guy Ralph Merritt gets in their way. For a while.

A movie serial in 13 chapters, and Lionel Atwill’s final film: Following the end of WWII, war-monger Sir Eric Hazarias sets the wheel in motion for WWIII. His search for…

A lawman takes on gangsters attempting to steal property wanted for a railroad.