All Available Season All Season Season 1 Oct, 1975 9 episodes 0.0 Season 2 Oct, 1976 7 episodes 0.0 Season 3 Oct, 1977 6 episodes 0.0 Season 4 Sep, 1978 5 episodes 0.0 Season 5 Oct, 1979 6 episodes 0.0 Season 6 Dec, 1980 4 episodes 0.0 Season 7 Sep, 1981 2 episodes 0.0
