BONANZA 1959 Cast THEN AND NOW 2023, All the cast members died tragically!!
Bonanza is an American Western television series that ran on NBC from September 13, 1959, to January 16, 1973. Lasting 14 seasons and 432 episodes, Bonanza is NBC's longest-running western, the second-longest-running western series on U.S. network television (behind CBS's Gunsmoke), and one of the longest-running, live-action American series. The show continues to air in syndication.