All Available Season All Season Specials Mar, 2012 1 episodes 0.0 Season 1 Jun, 1971 23 episodes 0.0 Season 2 Jun, 1972 38 episodes 0.0 Season 3 Sep, 1973 23 episodes 0.0 Season 4 Aug, 1974 28 episodes 0.0 Season 5 Aug, 1975 25 episodes 0.0 Season 6 Sep, 1976 23 episodes 0.0 Season 7 Sep, 1977 24 episodes 0.0 Season 8 Sep, 1978 24 episodes 0.0 Season 9 Sep, 1979 49 episodes 0.0 Season 10 Sep, 1980 50 episodes 0.0 Season 11 Oct, 1981 50 episodes 0.0
