High Quality Content by WIKIPEDIA articles! The Colbys (originally titled Dynasty II: The Colbys) is an American prime time soap opera, which originally aired on ABC from November 20, 1985 to March 26, 1987. The Aaron Spelling-produced series was a spin-off of Dynasty, which had been the highest rated series for the 1984-1985 U.S. television season.The Colbys revolved around another wealthy, upper class family, who were distant relatives of the Carringtons of Dynasty and who owned a large multi-national corporation. Intended to surpass its predecessor in opulence, the series` producers were handed an immensely high budget for the era and cast a handful of well-known stars among its leads, including Charlton Heston, Barbara Stanwyck, Katharine Ross and Ricardo Montalban. However, The Colbys was ultimately a ratings disappointment, and was canceled after two seasons.