Thu, Dec 4, 1958
While pursuing a gang of outlaws, Colonel Mackenzie enters a remote farmhouse and finds a woman bludgeoned to death and Andy Wheeler barely conscious from what he claims as a pistol whipping. Wheeler explains that the outlaws who attacked him and the dead woman fled when Mackenzie's men appeared, but the Colonel doubts Wheeler's story and plots to expose him and trap the rest of his gang in the process.
Fri, May 22, 1959
An outlaw gang steals an army wagon full of repeating rifles and hightails it for Mexico. Mackenzie and his men cross the Rio Grande and steal the wagon back. Trying to hide the wagon's contents from the Mexican federales, Mackenzie drives the wagon towards the U.S. alone, but is captured by a Mexican colonel. When the outlaws kidnap the Mexican colonel's daughter and offer to trade her life for the rifles, Mackenzie offers to help the colonel rescue the young woman and wipe out the gang in the process.
Fri, Apr 3, 1959
By murder and intimidation, a crooked lawyer and his hired guns plan to take over Brackettville, the nearest town to Fort Clark and Colonel Mackenzie's Fourth Cavalry Regiment, insisting that the troopers remain outside the town's limits. The lawyer hopes to lure Mackenzie into gunfight with one of his gunslingers, but the Colonel counters by forcing a showdown on his own terms.
Fri, Feb 20, 1959
Colonel Mackenzie is ordered to rescue a young mother from a bandit's haven in Mexico so she can testify before a committee of the U.S. Senate. Pretending to be a bandit, Mackenzie crosses the Rio Grande. Once there, he convinces the woman to return to the United States by the simple expedient of telling her that her son is living at Fort Clark, but first they must elude the bandit's cutthroats.
Fri, Apr 17, 1959
The fate of Mackenzie's Raiders hangs in the balance when one of their members is captured south of the Rio Grande while attempting to rescue his injured brother. The trooper is court-martialed and if he saves his neck by testifying he was under orders to cross into Mexican territory, it would mean the end of Colonel Mackenzie's career and the start of a war between the U.S. and Mexico.
Fri, Jun 19, 1959
Disatified with the Fourth Cavalry's success at combating cattle rustlers, the Matthews family hires Sam Bates as a scout to track the outlaws, not realizing that Bates is, in fact, the gang's leader. After Bates leads the Matthews boys into a deadly ambush, he sets his sights on bigger game - leading Mackenzie himself into a trap, not realizing that the Colonel has set a trap of his own.
Fri, Mar 20, 1959
When a rancher imports a herd of short-horn cattle onto the Texas range near Fort Clark, his neighbor, a cattle baron who runs only longhorns tries to drive him out - first by persuasion, then by running off his stock, then poisoning his waterholes and finally by murdering his men. Mackenzie sets a trap for the crooked rancher by pretending to be an Eastern reporter who is in possession of incriminating photographs.
Fri, Mar 27, 1959
When a bandit strikes across the border to rob American stagecoaches, Colonel Mackenzie crosses into Mexico in hot pursuit. His attack is not without casualties and the Colonel accidentally leaves one his men behind. Mackenzie must find the trooper before the U.S. Cavalry's unsanctioned raid is discovered by the Mexican authorities.
Fri, Feb 6, 1959
While pursuing marauders on the Mexican side of the Rio Grande, Col. Mackenzie is severely wounded in an ambush. He manages to escape back to the homesteads dotting Texas' Chuma Valley, where the ranchers hide him from the outlaws seeking to finish him off. Mackenzie recovers sufficiently to lead the Texans in an inspired counterattack against the brigands.