Ratings
7.2
6.8
Series Details
Seasons: 5
Total Episodes: 19
Creators:
Networks: BBC Two
Status: Returning Series
First Air Date: Jan 3, 2012
Recent Air Date: May 8, 2017
Run Time: m
In Production: Yes
Original Language: English
Age Rating: TV-PG
Website: Link
Production Companies: BBC Studios Natural History Unit , BBC
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Main Cast
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