Gone, But Not Forgotten Cliff and J.R. continue to clash -- J.R. hatches a plot to get John Ross back, but Cliff decides to leave Dallas. Meanwhile, Lucy tries to repair her marriage. Details Casts Videos Galleries Posters Season Lists Title Gone, But Not Forgotten Genres Soap Drama Family Release Date 1981-10-16 Episode Runtime 00 Hours 45 Minutes Season Number 5 Episode Number 2 Production Companies Unknown Patrick Duffy... Bobby Ewing... Barbara Bel Geddes... Miss Ellie Southworth Ewi... Linda Gray... Sue Ellen Shepard Ewing... Larry Hagman... John Ross ( J.R. ) Ewing... Ken Kercheval... Cliff Barnes... Susan Howard... Donna Culver Krebbs... Victoria Principal... Pamela Barnes Ewing... Charlene Tilton... Lucy Ewing... Steve Kanaly... Ray Krebbs... Dallas Promo 1978 Pilot Series Premiere (Trailer) Dallas - Season 13 Opening Credits (Opening Credits) Original Size (1920x1080) Original Size (1920x1080) Original Size (1920x1080) Original Size (1280x720) Original Size (1920x1080) Original Size (1920x1080) Original Size (1600x900) Original Size (2048x1152) Original Size (2436x1371) Original Size (1280x720) Original Size (1920x1080) Original Size (2048x1152) Original Size (2668x1501) Original Size (1920x1080) Original Size (1920x1080) Original Size (2668x1501) Original Size (2668x1501) Original Size (2668x1501) Original Size (2668x1501) Original Size (2668x1501) Original Size (2668x1501) Original Size (2668x1501) Original Size (2668x1501) Original Size (2668x1501) Original Size (2668x1501) Original Size (2668x1501) Original Size (500x750) Original Size (993x1489) Original Size (1524x2285) Original Size (680x1000) Original Size (680x1000) Original Size (680x1000) Season 1 5 Episode(s) 1978-04-02 Season 2 24 Episode(s) 1978-09-23 Season 3 25 Episode(s) 1979-09-21 Season 4 23 Episode(s) 1980-11-07 Season 5 26 Episode(s) 1981-10-09 Season 6 28 Episode(s) 1982-10-01 Season 7 30 Episode(s) 1983-09-30 Season 8 30 Episode(s) 1984-09-28 Season 9 31 Episode(s) 1985-09-27 Season 10 29 Episode(s) 1986-09-26 Season 11 30 Episode(s) 1987-09-25 Season 12 26 Episode(s) 1988-10-28 Season 13 27 Episode(s) 1989-09-22 Season 14 23 Episode(s) 1990-11-02