Bonanza Bonanza Bonanza is an NBC television western series that ran from 1959 to 1973. Lasting 14 seasons and 431 episodes, "Bonanza" is NBC's longest-running western, and ranks overall as the second-longest-running western series on U.S. network television (behind CBS's "Gunsmoke"), and within the top 10 longest-running, live-action American series. The show continues to air in syndication. The show is set in the 1860s and it centers on the wealthy Cartwright family that live in the vicinity of Virginia City, Nevada, bordering Lake Tahoe. The series initially starred Lorne Greene, Pernell Roberts, Dan Blocker, and Michael Landon and later featured (at
The Questor Tapes (TV series) the TV movie was later created by D. C. Fontana. Herbert J. Wright, who had a long friendship with Roddenberry, had strong ties to the series that was never made. When the rights to the series reverted to the Roddenberry family in the early 2000s, Wright secured those rights with the blessing of Roddenberry's family to produce the series. Wright made several promotions for the series in 2003 at conventions. Wright even reserved production locations while working on a first script. The show suffered what was at first a simple setback when Wright fell ill within a year, which delayed