This pilot launches the saga of the Cannon family as they fight to establish a ranch in the Arizona territory of the 1870s. Marauding Apaches led by Cochise are on the warpath. The Army orders the Cannon family to move on, but Big John Cann…

John Cannon's first wife is killed during an Apache raid. Buck, his brother, can't stop Mexican bandits from rustling cattle. Unable to fight on two fronts -- against Mexican marauders and the Indians -- John arranges a defense agreement …

Victoria's efforts to overcome husband John Cannon's memory of his first wife are thwarted when Apaches lay siege to their ranch, and she is kidnapped. Victoria is exchanged for an injured Apache and receives two opportunities to live in s…

John Cannon must decide whether to send his son to possible death to save their besieged ranch. Three army deserters, who have murdered Apaches on Cannon land, are taken prisoner by Indians. Captain Dabney fails in an effort to rescue the…

Buck, Manolito and Billy Blue are sent to Tucson for food, supplies and boots, but are sidetracked instead by women and song. While John Cannon awaits his trio's return with the goods, Buck promptly enters a poker game with cowhand Kansas …

The future of the ranch is jeopardized when bandits steal a prize bull and breeding stock which Billy Blue Cannon and Manolito Montoya have bought in Mexico with the last of the Cannon money. Victoria persuades husband John Cannon to send …

John Cannon needs cattle from Mexican ranchers for his Army beef contract, but finds the frightened men are being forced to sell at cheap prices to a ruthless cattle buyer. When John offers them higher prices, the ranchers refuse to sell b…

Buck, Victoria and Manolito return to the Montoya Ranch and become prisoners, with Don Sebastian, of a degraded former Civil War friend of Buck. Lanier and his disheveled army announce plans to create their own state.

When Billy Blue Cannon is forced into a showdown with wanted gunfighters, he is saved by a wandering dentist who proves to be fast with a gun. John Cannon returns the favor to Doc Henry by agreeing to send Billy Blue to help the dentist es…

Mistakes of an inexperienced eastern bank clerk who attempts to settle on a ramshackle ranch near the Cannon family threaten to wipe out the cattle industry of the territory. When Creed and Meg Hallock make repeated mistakes, John Cannon s…

Billy Blue Cannon faces possible hanging when he is court-martialed on the charge of killing an army general's son. Billy Blue saves an Indian girl from advances by a drunken army lieutenant, who is killed in the fight. When the girl flee…

Buck Cannon goes to work as foreman for a lovely neighboring widow, and clashes with his brother John when the job appears permanent. Buck falls in love with the widow, Melanie Cawthorne, and becomes her tool as she strives for quick riche…

Billy Blue Cannon faces possible hanging when he is court-martialed on the charge of killing an army general's son. Billy Blue saves an Indian girl from advances by a drunken army lieutenant, who is killed in the fight. When the girl flee…

John Cannon risks breaking a mutual defense agreement with Victoria's father and dissolution of his marriage when his ranch hands join a posse searching for marauding bandits in Mexico. Marshal Virgil Shanks leads the posse into Mexico and…

Henry Silva guest-stars as a revolutionary who plans to assassinate Benito Juarez, exiled President of Mexico, on the Cannon Ranch. Manolito frees his old friend Santos from a Mexican jail, where he has been imprisoned by the French as a t…

Fernando Lamas guest-stars as a Mexican bandit turned revolutionary who captures and prepares to execute the Cannon Ranch hands to prove his power. Manolito is jailed by El Caudillo, the Mexican bandit, when Conchita lures the group across…

An Apache renegade and his followers plan to kill Cochise's peace representative in the Cannon ranch house and start a new Indian war. Medicine man Nock-Ay-Del explains that Cochise will agree to live peacefully if John Cannon offers suffi…

John Cannon and Billy Blue are captured by Apaches far from home and made to face death from lack of water. John and Billy force a wounded Indian, Klosen, to lead them toward water but the Apache escapes. Buck and Manolito catch a glimpse…

John Cannon drives gold seekers from an abandoned mine on his land and they retaliate by plotting to kill the Cannons. Lije Driskill, Johnny Faro and Shorty Bleeson fail in an attempt to kill Buck, Sam and Victoria, who are driving back to…

The Cannons care for a wounded relative who repays them by stealing the ranch payroll. Uncle Dan Brookes arrives suddenly after a 15-year absence seeking safety in the heavily fortified ranch. He conceals the fact he is wanted dead or ali…

Billy Blue Cannon plans to earn money for an expensive silver saddle by boxing. Billy Blue learns Killian and his ranch hands have entered every event in the Fourth of July rodeo to win the saddle, so the High Chaparral wranglers compete t…

Buck and Manolito invade the Apache stronghold to rescuer a captive white girl. Ann, an Apache slave for five years, is rescued by Buck and Manolito as she flees from her captors, but her frail sister Olive is recaptured. John asks a pass…

Buck Cannon jeopardizes his life, when he tries to turn two Apaches into wranglers. Sourdough and Saddleblanket quickly become valuable hands. When an Apache war party kills three ranchers and kidnaps the two Indian wranglers, all but Buc…

Ricardo Montalban guest-stars as a wounded bandit leader who is captured by the Cannons and tells them his followers will destroy them unless he is released. When El Tigre's brother, Rafael, threatens to attack the ranch to free the notori…

Billy Blue Cannon quits the ranch after a quarrel with his father and leads a peace representative of the President to Cochise. On the trail Blue falls in love with Kelly's adopted Apache daughter, Moonfire. Kelly, an idealistic dreamer…

A bounty on Apache scalps disrupts peace between the Cannons and the Indians. When Apache raids close Judah Austin's mine, he offers Stoner a bounty for Indian scalps despite John Cannon's objections. Stoner's son Chad is wounded in an at…

Ramon Novarro, silent film notable is guest star as Padre Guillermo, who flees Mexico to escape the vendetta of a twisted killer. The padre is accompanied by two nuns and Maria. John Cannon agrees to protect the group when Maria's demente…

John Cannon is forced to relive his final days in the Civil War by a man he disfigured in combat. Vengeful Finley Carr and his brother Stacy kidnap Victoria and head for high country, certain John will follow. Carr captures John and subje…