Season 1 ABC , 1980 - 1981 Watch now Season 2 ABC , 1981 - 1982 Watch now Season 3 ABC , 1982 - 1983 Watch now Season 4 Syndication , 1984 Watch now Season 5 Syndication , 1985 Watch now Season 6 The Ted Knight Show Syndication , 1986 - 1987 Watch now