All Available Season All Season Season 1 Dec, 1961 31 episodes 0.0 Season 2 Jan, 0001 14 episodes 0.0 Season 3 Aug, 1963 40 episodes 0.0 Season 4 Jan, 0001 30 episodes 0.0 Season 5 Jan, 0001 23 episodes 0.0 Season 6 Jan, 0001 33 episodes 0.0 Season 7 May, 1970 33 episodes 0.0 Season 8 Jan, 0001 19 episodes 0.0 Season 9 Jan, 0001 31 episodes 0.0 Season 10 Jul, 1971 39 episodes 0.0 Season 11 Aug, 1971 35 episodes 0.0 Season 12 Jan, 0001 51 episodes 0.0 Season 13 Aug, 1973 39 episodes 0.0 Season 14 Jan, 0001 27 episodes 0.0 Season 15 Jan, 0001 67 episodes 0.0 Season 16 Jan, 0001 49 episodes 0.0 Season 17 Jan, 1977 50 episodes 0.0 Season 18 Oct, 1978 36 episodes 0.0 Season 19 Jan, 0001 32 episodes 0.0 Season 20 Jan, 0001 5 episodes 0.0 Season 21 Jan, 0001 1 episodes 0.0