Doris Schroeder
Strange Gamble
Hoppy and his pals arrive in a remote town to investigate the counterfeiting of both U.S. and Mexican money; his only clues are the name "Mordigan" and a drawing of a comet.
Sinister Journey
Lee Garvin has eloped with the daughter of a railroad man who didn't approve of the marriage. Hoppy steps in when the young man is framed for murder.
Dangerous Venture
Sue Morgan gets Hoppy and his friends to join their expedition looking for Indian artifacts. Expedition leader Atwood makes a deal with nearby cattle rustler Morgan to loot the Indian treasures instead and sell them. Hoppy is on to their plan and pretending to leave follows them.
Fool's Gold
The son of an Army friend is about the join an outlaw gang. Hoppy prevents this and brings the gang to justice.
Westward Ho!
The all-purpose title Westward Ho was applied in 1942 to this "Three Mesquiteers" western. This time, the Mesquiteers are Tucson Smith, Stony Brooke and Lullaby Joslin, here played respectively by Bob Steele, Tom Tyler and Rufe Davis. Our heroes converge on a small town to solve a series of mysterious bank robberies.
Pirates of the Prairie
In one of his better early Westerns, Tim Holt, as Deputy Marshal Larry Durant, is sent to Spencerville where a gang of vigilantes has been terrorizing the citizenry. Going undercover as a gunsmith, Larry quickly learns that the leader of the vigilantes, John Spencer (John Elliott), is an honest man who only seeks to establish law and order.
Gangs of Sonora
Commissioner Tredwell is the law of the land and he gets whatever he wants with the help of hired guns and lackey lawyer Conners. The only one who publicly stands up to Tredwell is Beecham of the Clarion.
Oklahoma Renegades
Stony Brooke, Rusty Joslin and Rico, known as The Three Mesquiteers, return to Oklahoma at the close of the Spanish-American War, and are concerned that some of their wounded buddies have no prospects for a satisfactory future.
Legion of the Lawless
Residents of a small frontier town take up arms when vigilantes try to block a railroad right-of-way.
Bullet Code
Protecting himself in an attack by rustlers, Rancher Steve Holden believes he has killed one of the attackers, young Bud Mathews, who in reality has warned Holden of the rustlers' approach.
Three on the Trail
An evil gang is involved in both cattle rustling and the robbing of stagecoaches. Hoppy must stop them without help from the sheriff who turns out be a major outlaw himself.
Heart of the West
Problems come in the form of one of Hopalong Cassidy's neighbors, but the matter is settled when Hoppy roots out the troublemaker.
Call of the Prairie
Hoppy returns to find Johnny in trouble. Buck Peters has been shot by Porter who made it look like Johnny did it. When Johnny flees he runs into Linda. He takes a liking to her only to learn her father Shanghai is one of Porter's gang. Going after Shanghai, he gets captured by the gang and Porter now plans to kill him.
The Eagle's Brood
When the outlaw El Toro saves Hoppy's life, Hoppy agrees to find his missing grandson.
Hop-a-long Cassidy
An evil ranch foreman tries to provoke a range war by playing two cattlemen against each other while helping a gang to rustle the cattle. Each cattleman blames the other for missing cattle. With the help of Bill Cassidy (Hop-along, because of an earlier bullet wound) and Johnny Nelson, the warring cattlemen join forces to do in the outlaws.
Bar 20 Rides Again
Cattle rustler Nevada dreams of living like an emperor in the West. Hoppy and the Bar 20 boys aim to put an end to his dream.