Walker, Texas Ranger is an American television action crime drama

Police procedural

The police procedural is a subgenre of detective fiction which attempts to convincingly depict the activities of a police force as they investigate crimes. While traditional detective novels usually concentrate on a single crime, police procedurals frequently depict investigations into several...

 series created by Leslie Greif and Paul Haggis

Paul Haggis

Paul Edward Haggis is a Canadian screenwriter, producer, and director. He spent his early career producing and directing various American and Canadian television network series.-Early life and education:...

, and starring Chuck Norris

Chuck Norris

Carlos Ray "Chuck" Norris is an American martial artist and actor. After serving in the United States Air Force, he began his rise to fame as a martial artist and has since founded his own school, Chun Kuk Do...

 as a member of the Texas Ranger Division

Texas Ranger Division

The Texas Ranger Division, commonly called the Texas Rangers, is a law enforcement agency with statewide jurisdiction in Texas, and is based in Austin, Texas...

. The show aired on CBS

CBS

CBS Broadcasting Inc. is a major US commercial broadcasting television network, which started as a radio network. The name is derived from the initials of the network's former name, Columbia Broadcasting System. The network is sometimes referred to as the "Eye Network" in reference to the shape of...

 in the spring of 1993, with the first season consisting of three pilot episodes. Eight full seasons followed from September 25, 1993 to May 19, 2001. It was broadcast in over 100 countries, and has since spawned a made-for-television movie, entitled Trial By Fire. The movie ended on a cliffhanger, which, as of 2011, has not yet been resolved.