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) during season 5. Actor Jim Davis, who played Jock, had died just after production had completed on season 4 in 1981. Bobby Ewing's death in the season 8 finale, alongside his subsequent absence during the following season, was explained away at the beginning of season 10 as a dream of Pamela Barnes Ewing, thus effectively erasing everything that had happened during season 9. Actor Patrick Duffy had left the series to pursue other opportunities, but due to declining ratings, he was convinced to return to the series by production company Lorimar as well as series star Larry Hagman. Jack Ewing