Classic long-running British nature documentary series featuring different subjects each time.
Created by Aubrey Buxton
Seasons
Season 1
9 episodes · 1961
Season 2
17 episodes · 1963
Season 3
3 episodes · 1964
Season 4
15 episodes · 1965
Season 5
14 episodes · 1966
Season 6
19 episodes · 1967
Season 7
17 episodes · 1968
Season 8
13 episodes · 1970
Season 9
7 episodes · 1971
Season 10
16 episodes · 1972
Season 11
14 episodes · 1973
Season 12
6 episodes · 1974
Season 13
0 episodes
Season 14
0 episodes
Season 15
1 episode · 1975
Season 41
1 episode · 2001
Cast
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