Season 1 - Laredo

Parmalee sends Reese, Chad and Joe undercover, disguised as prospectors, to find Lazyfoot and his gang. In Aggie's Saloon they meet Grubby Sully who says he needs partners to get to his goldmine because it's in territory controlled by Lazyfoot. Chad and Joe lead the local sheriff to believe Reese is a wanted sheep rustler, giving them time to ride off with Grubby while Reese is locked up. The three are captured by Lazyfoot and Reese tracks them down. He frees only Grubby who he hopes will lead him to the gold mine. Reese returns to free Chad and Joe and foil Lazyfoot's plan to ambush Captain Parmalee and his reinforcements with a gattling gun. He then heads back to the mine. Chad and Joe get credit for the rescue and Parmalee thinks Reese was out looking for gold the entire time. Grubby eludes them and waves goodbye from the distance on the way to his real mine.

Parmalee sends Reese, Chad and Joe to Porfirio to investigate Mexican bandits but find elderly Alvar de Aveles flying a Mexican flag over the jail on Alamo Day. Reese breaks into the jail, through the roof, and talks to de Aveles. As this happens de Aveles companions, unknown to or approved by him, rob the entire town, including Chad and Joe. When they emerge from the jail Reese is knocked out and taken prisoner. Chad and Joe must stop the Mexican Bandits before they cross the border with Reese. Since everything was stolen they have to acquire boots, horses, guns, etc. along the way. After crossing the border Reese is made to walk and Aveles willingly joins him. When Chad and Joe catch up Reese gets to fight the gang's leader, Paco Vargas.

A New Hampshire deputy constable named Clendon Macmillan comes to Laredo with 9 years of experience, intending to improve the quality of the average Ranger. He would like to apply his modern law enforcement techniques to what he refers to as "" the most primitive law enforcement organization in the country - the Texas Rangers."" He is sent out with Reese, Chad, and Joe to track Running Antelope and Linda Little Trees. Chad and Joe take a fiendish delight enjoying the fact that no man has ever rubbed Reese the wrong way as easily as MacMillan does. They arrive at a town just raided by Running Antelope and find Linda Little Trees in jail. While the rest are having steaks with the Marshall Little Trees talks MacMillan into releasing her, saying she will take him to their hideout. He is taken prisoner and rescued by Reese, Chad and Joe. Upon their return to Laredo Parmalee offers MacMillan the toughest Ranger assignment ever but MacMillan declines saying he's needed back in New Hampsh

Reese, Chad and Joe chase Durkee, a wanted man, into Captain Parmalee's office only to find out he is seeking amnesty in return for information about the Jamison Gang. The three of them are assigned to work with him and sent to Arillo. Meanwhile, Sam Burns is trying to force Annamay, a widow with two children, off her ranch so he and Jamison can get the silver bars the Gang buried in her barn's floor. The Rangers help Annamay and the children repair her wagon wheel and she takes a liking to Reese, who the children are soon calling ""Uncle Reese"". Annamay learns of the silver and switches it to a new hiding place. Jamison and Gang threaten Annamay and the children as the Rangers hurry to rescue them and recover the silver.

Emily, an old girlfriend of Chad's, appears in Laredo with her father, a railroad tycoon. He offers Chad a $400 a month job, whether the romance between he and Emily works out or not. Reese and Joe try different schemes to bust up the romance but they backfire and Chad proposes to Emily and resigns from the Rangers. Reese and Joe are sent out to protect a wagon train from a possible Indian attack and they use it as one last ploy to keep Chad in Laredo. Reese rides back reporting that the train has been attacked but Chad doesn't believe him. Reese heads back and finds out the wagon train really is under attack, sending a rider back to Laredo. While waiting for the stage with Emily and her father Chad sees Parmalee with other Rangers leaving town and finds out Joe and Reese are in danger. He tells Emily he has to go and will catch up with the stage. She delivers an ultimatum that he must leave right away if he wants her. Chad tells her off, catches up with Parmalee, who reinstat

Chad sneaks into the barracks at night wearing only his underwear. Reese and Joe catch him and he explains he lost Billy Harker, the prisoner he was escorting. He gets a change of clothes, Reese's spare gun and a horse and heads back out. The next day Reese and Joe are sent out to catch the thief who stole the ranger horse, the only clue being Chad's muddy socks. They find Chad as he is wrestling with Laurie Martin, Harker's girl, a very convincing but deceptive young woman. She convinces Reese she was forced to help Harker out of fear and she leads him off to find Harker but knocks him out with a piece of wood instead. She is caught but tricks cattle drovers into thinking the rangers are outlaws and escapes during the ensuing fist fight and cattle stampede. Joe saw her escape but let her go saying if she thinks they aren't following she'll head right for Harker, which she does. The rangers track her to the outlaws hideout and capture or kill Harker and his gang in a shootout.

Reese, Chad and Joe get into a saloon fight defending the honor of the Rangers. Parmalee disciplines them by assigning them to escort Jerky Collins' wagon of smelly buffalo hides. Chad tries to dissuade unwanted, married admirer Marianne Montaigne but she wants to leave her husband Louis and Chad hides her out in the wagon load of hides until they're out of town. Because of the fight two saloon girls were fired by the owner, Fatty Brown. Reese helps them by loading Fatty's pi-annie into a buckboard and allowing them to follow along with the hides. Unknown to all a shipment of rifles have been hidden in the hides by the man who sold them to Broken Horn, a renegade. The trip is a party until the Indians attack.

Captain Parmalee sends Reese on a mission to pickup a special shipment and bring it back to Laredo. Reese brags about the mission before he leaves leading several people to believe it's the $100,000 in gold shipment that everyone's heard rumors about. After he picks up the shipment in a wagon Reese is challenged for it by the Baker Gang, Sheriff Wes Cottrell and his deputies, Ma Burns and her daughter Flame and an Old Timer, who just wants to see what $100,000 in gold looks like. Reese outwits them all until everyone but the Old Timer join forces, surround Reese and force him into a shoot-out. Meanwhile, Chad and Joe have been sent out to find out why Reese is two days late. They arrive during the gun battle and help Reese. The strongbox has been penetrated by bullets and the contents, 36 bottles of limestone Tennessee sippin' whiskey for Parmalee's private stock, is leaking out. Only 1 bottle is left for Reese to deliver to the Captain. Can he do it without breaking it?