All Available Season All Season Season 1 Nov, 1969 16 episodes 0.0 Season 2 Sep, 1970 26 episodes 0.0 Season 3 Oct, 1971 26 episodes 0.0 Season 4 Sep, 1972 20 episodes 0.0 Season 5 Sep, 1973 18 episodes 0.0 Season 6 Sep, 1974 13 episodes 0.0 Season 7 Aug, 1975 15 episodes 0.0 Season 8 Sep, 1976 15 episodes 0.0
