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
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