Larry Hagman was briefly replaced by Donna Reed for the 1984–1985 season, before Bel Geddes returned in better health for the 1985–1986 season. By the end of its 14th season in 1991, ratings had slipped to the extent that CBS decided to end "Dallas". Hagman was the only actor to appear in all 357 episodes. He had also made five guest appearances on the "Dallas" spin-off series "Knots Landing" in the early 1980s. Some years after "Dallas" ended, Hagman appeared in two subsequent "Dallas" television movies: "" in 1996, and "" in 1998. Hagman reprised his role as J.R. Ewing in TNT's
Dallas (1978 TV series) left Dallas to continue his travels and get away from J.R., midway through season 10, and returned a final time for two episodes towards the end of the season. While there has been no official reason as to why actor Dack Rambo was written out of "Dallas", Rambo himself later stated that he believed the reasons to be his bisexuality and/or his conflicts with Larry Hagman, which Rambo said had particularly intensified during his last season on the show (season 10). Rambo and Hagman had previously worked together on "Sword of Justice" in the late 1970s, as well as on