All Available Season All Season Season 1 Oct, 1972 1 episodes 0.0 Season 2 Jan, 0001 0 episodes 0.0 season 3 Jan, 0001 2 episodes 0.0 Season 4 Oct, 1975 19 episodes 0.0 Season 5 Jan, 0001 0 episodes 0.0 Season 6 Jan, 0001 1 episodes 0.0 Season 7 Jan, 0001 0 episodes 0.0 Season 8 Sep, 1979 1 episodes 0.0 Season 9 Jan, 0001 0 episodes 0.0 Season 10 Jan, 0001 0 episodes 0.0 Season 11 Jan, 0001 0 episodes 0.0 Season 12 Jan, 0001 0 episodes 0.0 Season 13 Jan, 0001 1 episodes 0.0 Season 14 Sep, 1985 21 episodes 0.0 Season 15 Sep, 1986 18 episodes 0.0 Season 16 Oct, 1987 1 episodes 0.0 Season 17 Jan, 0001 0 episodes 0.0 Season 18 Jan, 0001 0 episodes 0.0 Season 19 Jan, 0001 0 episodes 0.0 Season 20 Jan, 0001 0 episodes 0.0
