Knots Landing is an American primetime 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 on a cul-de-sac, Seaview Circle. Throughout its 14-year run, storylines included marital strife, rape, murder, kidnapping, assassinations, drug smuggling, politics, environmental issues, corporate intrigue, and criminal investigations. By the time of its conclusion, it had become the third-longest-running primetime drama on U.S. television after Dallas, Gunsmoke, and Bonanza and the last scripted primetime drama show that debuted in the 1970s to leave the air.

Dallas is an American prime time television soap opera that aired on CBS from April 2, 1978, to May 3, 1991. The series revolved around an affluent and feuding Texas family, the Ewings, who owned the independent oil company Ewing Oil and the cattle-ranching land of Southfork. The series originally focused on the marriage of Bobby Ewing and Pamela Barnes, whose families were sworn enemies. As the series progressed, Bobby's elder brother, oil tycoon J.R. Ewing, became the show's breakout character, whose schemes and dirty business became the show's trademark. When the show ended on May 3, 1991, J.R. was the only character to have appeared in every episode.