During a bank robbery in Dallas, Walker's partner is killed. Trying to solve this case, Walker finds out that this raid could have been only a test for a much bigger goal: simultaneously robbing four banks lying next to each other. No one believes him. After a bomb explodes in a far away bank, which has just gotten a valuable load, everyone goes there. When the actual raid starts Walker must face the gang alone.
After he robbed a bank Roy accidentally gets arrested because of a minor offense, but has to be freed after a short time. Walker and Trivette stay close on his heels but they are not the only ones. The bounty hunter Maxwell is also behind Roy. When Roy is (unprovable) killed by Maxwell, Walker and Trivette follow Maxwell, who is now behind Roy's partner Ned - who has the stolen money - and doesn't stop at nothing to get the money.
Trivette goes undercover into jail to infiltrate and destroy a drug ring. During a hurricane the transport crashes; the prisoners can escape and are hiding with hostages in a remote hotel. Among the fugitives: Trivette. When the transport is overdue Walker starts searching and lands up in the hotel where he goes for the prisoners one by one with the help of a handicapped person.
Using a psychic to help locate a kidnapped 8-year-old earns Trivette ridicule from his fellow rangers.
Walker and Trivette set to prove that race was an illegal main factor in an arrest.
The death of a government inspector seems to be linked to a cattle rustling operation that always manages to avoid the law.
When a new designer drug called "silk" results in several fatalities, Walker and Trivette must infiltrate the local club scene to find the source of the deadly substance.
Walker finds himself fighting for his life after he attempts to rescue a group of federally protected mustang horses from some unsavory ranchers.
When a hit-and-run accident pushes a vehicle to the edge of a bridge with an infant trapped inside, Walker will do whatever it takes to save the child - even if it means putting his own life in grave danger.
Although Chief Six Feathers' death is at first deemed an accident, his son immediately suspects foul play and enlists Walker and Trivette to help him track down whatever - or whoever - really killed his father.
Alex finds her life in imminent danger when she uncovers a group of Dallas police officers who have been involved in a corrupt drug ring.
After killing a man involved in a carjacking, Walker becomes the target of several assassination attempts. These attempts begin to make sense when he learns that someone has put a $1 million bounty on his head.
The Japanese mob is kicking up some trouble in Houston. Unfortunately for them, they decide to kidnap the wrong kid. The cute little daughter of a wealthy Texas power broker is home from a boarding school for some R&R and a little rodeo fun, when - on the drive home from the airport - she's violently snatched from her limo and two bodyguards. During the girl's previous year at the rodeo, she became one of Ranger Walker's many little buddies and proteges. So the bad guys have no idea what kind of bad news they've brought to themselves!
When authorities discover a local bingo gambling hall is actually a front for a drug-money laundering operation, Walker and his team are assigned the daunting job of protecting the cops' star witness - a witness who will do just about anything to escape.
The thrill of working on the set of a Hollywood western quickly turns into serious business when Walker and Trivette discover a group of stuntmen on the shoot plan to carry out an actual train heist.
Walker and his team take on a group of troubled, wealthy teens who believe the only way to clean up the neighborhood slums is to kill off the homeless population.
Walker and Trivette must save Alex, who is kidnapped by career criminal Victor LaRue.
A series of high-profile robberies puzzle the Rangers, but when one results in the death of Walker's friend, it becomes a personal crusade.
Walker must clear the name of Trivette, who's been accused in the disappearance of $5 million in counterfeit money.
A helicopter comes in and the man inside kills the Judge in front of Alex and Walker just before he can tell them what he has discovered Fortunately Walker jumps into the helicopter and pulls the killer out with him. The killer, whose name is Sonny, reveals that a prominent businessman named DL Dade ordered the hit and also reveals that he is an underworld figure. With Sonny's help, Walker and Trivette begin to take down Dade's illegal operations.
Cherokee youths are stealing artifacts from a museum, claiming they were taken from their ancestral burial grounds.
Walker seeks to disprove 40 years of UFO sightings in a small, Texas town, while also trying to find the missing father of a young girl.
In the present Walker pursues a group of killers seeking the lost treasures of Hayes Cooper, a Wild West Texas Ranger. And "flashbacks" to Hayes Cooper, who with Lockett, is pursuing a group of killers in the 1800's.
After surviving a rattlesnake attack, Walker with Trivette's help continues his pursuit of the killers who uncovered "Cooper's Gold."
Walker and Trivette protect a Mexican Presidential candidate from an assassin.
While on a fishing vacation together, C.D., Trivette, and Walker reel in more than they bargained for when they accidentally uncover an elusive and illegal drug operation.