Season 1 CBS , 1989 - 1990 Season 2 CBS , 1990 - 1991 Season 3 CBS , 1991 - 1992 Season 4 CBS , 1992 - 1993 Season 5 CBS , 1993 - 1994 Season 6 CBS , 1994 - 1995 Season 7 CBS , 1995 - 1996