The Challenge of Rin Tin Tin

After fierce war chief Ulzana and a small war party jump the reservation bent on murder and terror, an inexperienced young lieutenant is assigned to track him down.

Jubal Troop is a cowboy who is found in a weakened condition, without a horse. He is given shelter at Shep Horgan's large ranch, where he quickly makes an enemy in foreman Pinky, a cattleman who accuses Jubal of carrying the smell of sheep.

Following the surrender of Geronimo, Massai, the last Apache warrior is captured and scheduled for transportation to a Florida reservation. On the way he manages to escape and heads for his homeland to win back his girl and settle down to grow crops. His pursuers have other ideas though.

Dave Collins is a young man who is bequeathed a ranch on the condition that he marry the late owner's granddaughter Lucille. But when he arrives at the ranch with young sidekick Spuds in tow, Dave finds that a distant relative of Lucille's, Ray Foster, has taken his place. Foster hires tough Bart Haywood to kill his rival, and soon our hero is hogtied to a handcar in the path of an approaching train.

A scout leading a wagon train through hostile Indian country gets involved with a Sioux chief's daughter.

The wolf dog, White Fang, aids a reporter, a fur trapper, a nun, a young Eskimo boy and his father of ridding a gold mining town of a sleazy crime lord in 1896 Yukon, Canada.

Jim Slater's father (whom he never knew) died in the Apache ambush at Gila Valley, and Jim is searching for the one survivor, who supposedly went for help but disappeared with a lot of gold. In the process, he gets several people gunning for him, and he keeps meeting liberated woman Karyl Orton, who may be on a similar mission. Renewed Apache hostilities and an impending range war provide complications.

Bandit Pistol Pete enters a lawless western town and robs a bank. The town is in desperate need of a sheriff. Enter wandering cowboy Goofy who notices a pretty girl being held up in a stagecoach robbery by Pete. Lovestruck and completely oblivious to Pete, he foils the robbery while getting to know the girl better. This earns him a reputation as a great gunslinger and he is challenged to apprehend Pete. Pete tries to get his revenge on Goofy but every attempt backfires due to Goofy's clumsiness usually directed unintentionally at Pete.

Texas John Slaughter is a peace-loving family man and successful rancher who values his friendship with the Apaches. But when a vengeful Geronimo initiates a violent campaign against the settlers, Slaughter himself must fight-- to maintain peace and honor among the warring groups.

The Three Mesquiteers are forced to track down a train robbery ring after some of the gang hijack their truck for a getaway and the police conclude they are part of the gang, an identification which is just fine with the gang's nameless chief.

A gang of bank robbers holes up at a cowboy's ranch. One of the robbers turns out to be his brother. After the brother is killed by the gang, the cowboy tracks them across the desert.

Telling the story of his early life in flashback, a former prospector (Joel McCrea, with flashback sequences featuring son Jody) explains his brutal massacre of a tribe of Indians. The only survivor (Marie Gahua) agrees to lead him to a secret gold mine.

Captain Maddocks will never be promoted beyond Captain because of a mistake that he made in the past. Lt. McQuade is a green rookie who is now under the command of the tough Captain and he does not seem to be able to do anything right. Lt. McQuade also has trouble with Tracey, but it will be the renegade Indians that will test him and teach him the importance of following orders.

A Mexico/United States border patrol officer is aided by his police dog, Rinty.

Sergeant Ken Strange, of the Canadian Mounted Police, and his dog, King, are on the trial of the murderer.

When a man is wrongly accused of murder, a dog helps clear his name.

A woman tracks down the three men who raped her, helped by an Apache. Traveling through the Old West to her new home, young schoolteacher Alice McAndrew is abducted by five outlaws headed by robber Pudge Elliott. The thugs rape Alice before leaving her for dead, but she is rescued by Chatto, an Apache chief. He restores her health and aids her in her bloodthirsty quest for revenge. With her sanity wavering, will Alice be able to find the men who tortured her?

A wagon train crossing the plains comes across the remains of other wagon trains that have been attacked by looters. Soon they too are attacked.

Cowboy star Buck Jones made his directorial debut with the Universal western For the Service. Jones is cast as Indian scout Buck O'Bryan, trying his best to keep the peace between the Native Americans and a government outpost. O'Bryan is replaced by George Murphy, the son of commanding officer Captain Murphy. Obviously unqualified for his job, Murphy proves himself a coward and a weakling, forcing O'Bryan to take over when the fort is besieged by outlaw Bruce Howard and his gang.

Pursued by a posse, a rancher and a young woman, partners in crime, are chased into Indian country.