All Available Season All Season Season 1 Dec, 1974 6 episodes 0.0 Season 2 Jan, 1975 6 episodes 7.0 Season 3 Dec, 1976 6 episodes 0.0 Season 4 Apr, 1978 6 episodes 0.0 Season 5 Jan, 1982 6 episodes 0.0 Season 6 Oct, 1983 6 episodes 0.0
