Bonanza series's long run. In 2002, "Bonanza" was ranked No. 43 on "TV Guide"s 50 Greatest TV Shows of All Time, and in 2013 "TV Guide" included it in its list of The 60 Greatest Dramas of All Time. The time period for the television series is roughly between 1861 (Season 1) and 1867 (Season 13) during and shortly after the American Civil War. During the summer of 1972, NBC aired reruns of episodes from the 1967–1970 period in prime time on Tuesday evening under the title Ponderosa. The show chronicles the weekly adventures of the Cartwright family, headed by the
U Lazy S Ranch 1966, the ranch spanned 90,000 acres. In October 1968, Lott and his wife hosted François Tombalbaye, the President of Chad, on his official visit to Texas. A year later, in 1969, they donated a carriage house from the ranch and US$10,000 to the National Ranching Heritage Center in Lubbock, Texas. In 1973, a fundraiser for the public library in Post, Texas was held on the ranch. U Lazy S Ranch The U Lazy S Ranch, formerly known as the Square and Compass Ranch, is a historic ranch in Garza County, Texas, USA. The ranch was established as the Square and