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- Season 0 1970-01-01
- Season 1 1982-10-10
- Season 2 1983-10-09
- Season 3 1984-09-30
- Season 4 1985-10-20
- Season 5 1986-10-19
- Season 6 1987-09-20
- Season 7 1988-10-09
- Season 8 1989-10-08
- Season 9 1990-09-30
- Season 10 1991-09-28
- Season 11 1992-10-05
- Season 12 1993-10-03
- Season 13 1994-10-02
- Season 14 1995-10-08
- Season 15 1996-10-13
- Season 16 1997-10-12
- Season 17 1998-10-11
- Season 18 1999-10-24
- Season 19 2000-10-22
- Season 20 2001-09-09
- Season 21 2002-10-13
- Season 22 2003-10-19
- Season 23 2004-11-07
- Season 24 2005-11-06
- Season 25 2006-10-24
- Season 26 2007-10-28
- Season 27 2008-10-26
- Season 28 2009-10-25
- Season 29 2010-09-26
- Season 30 2011-10-19
- Season 31 2012-10-10
- Season 32 2013-09-04
- Season 33 2014-09-24
- Season 34 2015-09-23
- Season 35 2016-10-12
- Season 36 2017-10-04
- Season 37 2018-10-24
- Season 38 2019-10-02
- Season 39 2020-10-21
- Season 40 2021-10-20
- Season 41 2022-10-19
- Season 42 2023-10-18
Season 42 Episode
- Season 37 Super Cats: Extreme Lives
- Season 37 Super Cats: Cats in Every Corner
- Season 37 Super Cats: Science and Secrets
- Season 37 A Squirrel's Guide to Success
- Season 37 Dogs in the Land of Lions
- Season 37 Snow Bears
- Season 37 Attenborough and the Sea Dragon
- Season 37 Equus: Story of the Horse: Origins
- Season 37 Equus: Story of the Horse: Chasing the Wind
- Season 37 Wild Way of the Vikings
- Season 37 Living Volcanoes
- Season 37 The Egg: Life’s Perfect Invention
- Season 37 American Spring LIVE: Birth and Rebirth
- Season 37 American Spring LIVE: Migration
- Season 37 American Spring LIVE: Connections
Nature - Season 37 Episode 12 The Egg: Life’s Perfect Invention
8.10 53 minutes How is an egg made? Why are they the shape they are? And perhaps most importantly, why lay an egg at all? Step by step as the egg hatches, host David Attenborough reveals the wonder behind these incredible miracles of nature.
