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David Attenborough embarks on a remarkable 500 million-year journey revealing the extraordinary group of animals that dominate our world, and how their evolution defines our human bodies.
First Air Date : Sep 20, 2013
Last Air date : Sep 27, 2013
Episode : 2 Episode
Season : 1 Season
Runtime: 60 minutes
Studio: BBC Two
Country:
Cast: David Attenborough