All Available Season All Season Specials Jan, 0001 54 episodes 0.0 Season 1 Nov, 1972 6 episodes 0.0 Season 2 Mar, 1974 8 episodes 0.0 Season 3 Mar, 1976 7 episodes 0.0 Season 4 Oct, 1981 6 episodes 0.0 Season 5 Nov, 1982 6 episodes 0.0 Season 6 Sep, 1988 12 episodes 0.0 Season 7 Dec, 1995 1 episodes 0.0
