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

Midas Mantee is out of prison and back into his old career: stealing gold from banks. Reese unwittingly foils Erik Hunter's plan to go undercover and join Mantee's gang. So Erik stages a gunfight in front of one of Midas' men, ""killing"" Chad and escaping Joe. Parmalee joins them having heard of Chad's ""death"". Mantee's master plan for the Val Verde Bank involves a lady dentist, nitrous oxide and camels.

Chief Tohpay, whose land has been stolen by the white man, is on the warpath. With modern military training provided by former army specialist John Garth they have taken a fort and captured Winchester rifles and a Gattling gun. Garth has been promised the hand of Tohpay's beautiful daughter Lohray as a reward, although she is unwilling to marry Garth. Reese and Chad are sent to investigate a town controlled by a crooked sheriff and armed Indian guards while Joe and Erik search for Tohpay's camp. All four are captured but break loose. Erik discovers the secret of the stone fire-breathing idol Tohpay has been using to convince his people that the God's support him. Erik uses this to discredit Tohpay as the other rangers try to capture the Gattling gun.

Jake Murdock wants revenge on Parmalee for sending him to prison. His plot involves Dr. Duvain who has a mind-controlling drug that can make a man kill his best friend. To remove suspicion they plan to have a ranger kill the captain. Reese is picked and undergoes a series of injections to prepare him for the murder. A $5 gold piece is the key to controlling Reese, whenever he sees one he is to obey the next verbal command which results in Reese allowing an outlaw to escape, immersing himself in a horse trough (Go soak your head) and busting up the saloon. Chad investigates the doctor's background and reads books about chemistry and the brain. He figures out what is causing Reese's strange behavior and convinces Parmalee of it who then devises a way for the plan to backfire on Murdock and the doctor.

Pro-Juarez rebel Juan Morales is taken from Ranger protection by the LeBec gang across the border to a French prison to await execution as an enemy of Emperor Maxmillian. The four rangers are sent to retrieve him and gain access to the prison with the help of cantina owner and Juarez sympathizer Carmella Alveras, who is also an old girlfriend of Erik's. Erik devises a plan to rescue Morales ""after the execution"". Reese, Chad and Joe sneak into the firing squad barracks and load the rifles with blanks while Erik does the same for the captain's pistol which will be used for the coup de grace, the final shot to the head. The pistol is fired at Erik when he's leaving the fort so he, Chad and Joe intercept soldiers sent from Maxmillian and impersonate them with Reese reluctantly posing as Morales' wife. Erik poses as a major and uses his ""rank"" to fire the coup de grace himself.

The four Rangers stake out and foil a bank robbery by the Emerson Gang, capturing leader Wayne Emerson and killing the rest except for Wayne's younger brother Ed. Reese's yearly enlistment with the Rangers is up and he intends on using his share of the reward money to buy some ranch land. He buys parcel 16 from the Fletchers and is excited until he discovers the land is under alkaline water! Eric sets out after the Fletchers, posing as a wealthy European who wants to buy land in Texas. Reese, Chad and Joe, with prisoner Wayne, in tow head for a rendezvous with Erik and the Fletchers in town. Reese wants to get his money back by force but Erik, Chad and Joe plan to get it back with finesse so they handcuff Reese to the bedpost in the hotel's bridal sweet along with Emerson. Later Chad and Joe decide Reese and Emerson would be safer in jail. They get Reese to sign his re-enlistment paper by telling him they will get the sheriff to let him out but keep it instead. Eric gets the Fl

Sean Finnegan is intent on starting organized crime in Texas. He recruits name outlaws wanted outside of Texas and teaches them methods and techniques in various rackets. A stage robbery planned by him goes awry when one man is killed and Oklahoma's fastest draw Tom Fox is identified as the gunman. Parmalee sends Reese and Chad to Dry Wells to scout around and they find Sheriff Gorman has ""disappeared"" and been replaced by one of Finnegan's men. They soon discover the entire town is under Finnegan's control. Reese and Tom Fox get into a gunfight and Reese things he outdrew Fox, although Finnegan actually shoots him from the saloon as Fox was now wanted in Texas and a risk. Erik and Joe infiltrate the gang as outlaws Zack Johnson and Cherokee Joe, two outlaws whose recent capture has not been publicized. Finnegan decides to do away with Reese by putting his feet in cement and rolling the wagon where they are hiding him into a lake. Erik and Joe devise a plan to rescue him. Erik