Dallas (1978 TV series) ended in May 1991, J.R. was the only character to have appeared in every episode. The show was famous for its cliffhangers, including the "Who shot J.R.?" mystery. The 1980 episode "Who Done It" remains the second highest rated prime-time telecast ever. The show also featured a "Dream Season,” in which the entirety of season 9 was revealed to have been a dream of Pam Ewing. After 14 seasons, the series finale "Conundrum" aired in 1991. The show is mostly an ensemble cast, with Larry Hagman as greedy, scheming oil tycoon J.R. Ewing, stage/screen actress Barbara Bel Geddes as family
Dallas (1978 TV series) the producers, including Katzman's son Mitchell Wayne Katzman as story editor and Leah Markus as story consultant. Markus left after two years, while the others remained until the show's end. Scriptwise, Patrick Duffy's return was explained by having the entire season 9 being a dream of Victoria Principal's character Pam, effectively sweeping away the events occurring during the period in which Katzman's involvement with the show had been minimized. Even the cast were affected by the production and political struggles. While Larry Hagman (J.R.) reportedly supported Katzman, and had played a great part in bringing Duffy back, Susan Howard (Donna),