All Available Season All Season Season 1 Sep, 1968 1 episodes 0.0 Season 4 Jan, 0001 20 episodes 0.0 Season 5 Sep, 1981 20 episodes 0.0 Season 6 Jan, 0001 20 episodes 0.0 Season 7 Sep, 1990 10 episodes 0.0 Season 8 Jan, 1991 15 episodes 0.0 Season 9 Jan, 1993 5 episodes 0.0