All Available Season All Season Specials Jan, 0001 3 episodes 0.0 Season 1 Sep, 1972 16 episodes 0.0 Season 2 Sep, 1973 15 episodes 0.0 Season 3 Oct, 1974 8 episodes 0.0 Season 4 Oct, 1975 7 episodes 0.0 Season 5 Nov, 1976 8 episodes 0.0 Season 6 Dec, 1977 7 episodes 0.0 Season 7 Oct, 1979 7 episodes 0.0
