[["Gunsmoke originally had a 20 year run. The first episode aired in the United States on September 10, 1955, and the final episode aired on March 31, 1975. All episodes were broadcast in the U.S. by CBS.", 130.0], ["The television show Gunsmoke ran for 20 seasons from 1955 to 1975, and was the United States' longest-running prime time, live-action drama with 635 episodes.", 94.0], ["Gunsmoke played for 9 years. 9 seasons were completed for a total of 480 episodes. Beginning with the first episode on April 26th 1952 and ending on June 18th 1961", 87.0]]
how many years did gunsmoke play
film and tv