All Available Season All Season Specials Sep, 1967 14 episodes 0.0 Season 1 Sep, 1967 15 episodes 8.0 Season 2 Sep, 1968 26 episodes 0.0 Season 3 Sep, 1969 26 episodes 0.0 Season 4 Sep, 1970 26 episodes 0.0 Season 5 Sep, 1971 24 episodes 0.0 Season 6 Sep, 1972 24 episodes 0.0