All Available Season All Season Season 1 Sep, 1985 21 episodes 7.7 Season 2 Sep, 1986 12 episodes 7.6 Season 3 Sep, 1987 14 episodes 6.8 Season 4 Sep, 1988 16 episodes 6.7 Season 5 Sep, 1989 13 episodes 7.2 Season 6 Sep, 1990 19 episodes 7.2
