Three bodies turn up in a frontier hotel. Hoppy solves the murders and chases the killers through unusually misty and dark locations.
A bandit who robs both Americans and Mexicans is causing each side of the border to blame the other. Hoppy has to settle matters.
Belle Langtry runs a town being taken over by cattle rustlers. She is also a front for the outlaws, who are led by Steve Fraser. Hoppy gets elected sheriff and cleans up the town with help from the Bar 20 boys.
A banker is trying to cheat people out of their silver-rich land. Hoppy learns that the banker is in league with an outlaw gang.
Hopalong Cassidy and Johnny Nelson ride to the mountains to help a man and his daughter save their logging business from someone who is sabotaging their efforts.
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.
Hoppy is busy chasing stagecoach bandits who sing as they rob.
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. Not only is he outnumbered by Morgan's men, but California has himself about to be sacrificed in an Indian ritual.
Finishing a trail drive, Hoppy and the boys head to town and immediately get caught up in the conflict between school teacher Miss Abott and next door saloon owner Mawson. When Miss Abott disappears, Hoppy gets a clue to her location and rescues her from Mawson's cabin. It looks like Mawson is the man he wants, but Hoppy finds an item that indicates otherwise.
Hoppy, Lucky and California search for a mine owned by Trudy Pendleton after it was taken from her by thw swindling gambler Ace Gibson. They find the mine and Hoppy fights Gibson over it.
Stephen Westcott and Ed Martin scheme to put Jane Travers' wagon line out of business. They want to use it take over all the wagon- train traffic going west. Hoppy, California and Lucky must make sure that doesn't happen.
Shadows of the Past is about Steve Kelly, a retired rodeo champion, who accepts a rematch with notorious bucking bull, 'Black Friday', the same bull that ended his career several years ago. Steve also must deal with the return of estranged wife Dannii. We see him battle with the prospects of a fading career and the chance to love again.
It is the story of Gene's, a Cavalry scout, who manages to quell an Indian uprising.
Bill Collins has a look alike the Phantom who beats Houston robbery plan. However the Phantom is shot by Houston’s men. Bill finding him dying isn’t aware that Houston is just about the get him too…
A Cattlemen´s Association hires a detective (Bob Custer) to look into a series of cattle rustlings. To dismantle the plot, an undercover agent will be infiltrating the gang as a bandit.
Die deutsche Fotojournalistin Katharina macht eine Reportage auf einer texanischen Ranch. Dabei verliebt sie sich - trotz aller Gegensätze - in den Chef-Cowboy. Und er sich in sie. Aber hat die Liebe eine Chance?
A former sheriff begins to persecute the gang led by Pedro Ortiz, after his wife is taken away.