Season 1 CBS , 1984 Season 2 CBS , 1984 - 1985 Watch now Season 3 CBS , 1985 - 1986 Season 4 CBS , 1986 - 1987 Watch now Season 5 CBS , 1987 - 1988 Season 6 CBS , 1988 - 1989 Watch now Season 7 CBS , 1989 - 1990 Season 8 CBS , 1990 - 1991 Season 9 CBS , 1991 - 1992 Watch now Season 10 CBS , 1992 - 1993 Season 11 CBS , 1993 - 1994 Watch now Season 12 CBS , 1994 - 1995 Season 13 CBS , 1995 - 1996