Bonanza

American Western television series (1959–1973)

Bonanza is an American Western television series that ran on NBC from September 12, 1959, to January 16, 1973. Lasting 14 seasons and 431 episodes, Bonanza is NBC's longest-running Western, the second-longest-running Western series on American network television (behind CBS's Gunsmoke), and one of the longest-running, live-action American series. The show continues to air in syndication.

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