All Available Season All Season Season 1 Apr, 1974 8 episodes 0.0 Season 2 Jan, 1975 9 episodes 0.0 Season 3 Mar, 1976 9 episodes 0.0 Season 4 Apr, 1977 8 episodes 0.0 Season 5 Feb, 1978 4 episodes 0.0 Season 6 Feb, 1979 8 episodes 0.0
