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. Produced by Aaron Spelling, it was a spin-off of Dynasty, which had been the highest rated series for the 1984–1985 U.S. television season. The Colbys revolves around another wealthy, upper-class family, who are relatives by marriage of the Carringtons of Dynasty and who own a large multi-national corporation.