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 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 Compass Ranch in 1884. By 1901, when it was acquired by John Bunyan Slaughter, the ranch spanned 99,188 acres. Slaughter also purchased 5,000 cattle and brought 6,000 head of cattle he already owned. Additionally, he changed the name to his cattle brand, 'U Lazy S', which he had registered during the American Civil War. He built a ranchhouse in 1902 and acquired more acres, owning up