All Available Season All Season Specials Nov, 1971 9 episodes 0.0 Season 1 Sep, 1972 24 episodes 4.0 Season 2 Sep, 1973 24 episodes 0.0 Season 3 Sep, 1974 24 episodes 0.0 Season 4 Sep, 1975 24 episodes 0.0 Season 5 Sep, 1976 24 episodes 0.0 Season 6 Sep, 1977 22 episodes 0.0 Season 7 Sep, 1978 23 episodes 0.0 Season 8 Sep, 1979 23 episodes 0.0 Season 9 Nov, 1980 22 episodes 0.0
