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 Swiss Family Robinson (1975 TV series) The Swiss Family Robinson (1975 TV series) The Swiss Family Robinson is an American action and adventure series that was broadcast during the 1975–76 TV season. The two-hour pilot for the series was first shown on April 15, 1975. Based upon the novel "The Swiss Family Robinson", the pilot and its 20 subsequent episodes of the series were produced by Irwin Allen, who had earlier produced a futuristic adaptation of the same novel in the TV series "Lost in Space". The series starred Martin Milner as Karl Robinson, the survivor of a shipwreck who found himself, his wife, and two