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 various times) Guy Williams, David Canary, Mitch Vogel, and Tim Matheson. The show is known for presenting pressing moral dilemmas.
Knots Landing
Knots Landing is an American prime time television soap opera that aired on CBS from December 27, 1979, to May 13, 1993. A spin-off of "Dallas", it was set in a fictitious coastal suburb of Los Angeles and initially centered on the lives of four married couples living in a cul-de-sac, Seaview Circle. By the time of its conclusion, storylines had included rape, murder, kidnapping, assassinations, drug smuggling, corporate intrigue, and criminal investigations; and was the longest-running primetime drama on U.S. television after "Gunsmoke" and "Bonanza".