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
Robert Colbert entitled "City Beneath the Sea" that was shown as a television movie. In 1968, Colbert appeared in the final episode of the first season of "Hawaii Five-O". Colbert also appeared as the character Stuart Brooks on the television soap opera, "The Young and the Restless", from March 1973 to March 1983, being honored at the show's tenth anniversary. In 1981, Colbert and Robert Culp were suggested by CBS as possible replacements for Larry Hagman on "Dallas" after Hagman decided to hold out for more money; however, Hagman returned to the series. In 1987, he appeared in the film parody "Amazon