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Premieres Wednesday, February 6, 2013 at 8:00 p.m. ET/PT. Check your local listings.

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It's time to challenge the notion that only humans form lasting friendships.

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Airs Wednesday, July 24, 2013 at 8:00 p.m. ET/PT. Check your local listings.

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Airs Wednesday, March 28, 2012 at 8:00 p.m. ET/PT. Check your local listings.

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Airs Wednesday, October 31, 2012 at 8:00 p.m. ET/PT. Check your local listings.

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Travel to the jungles of Sumatra to film elusive wild orangutans.

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From giant eagles to miniature falconets, meet the many species of raptors.

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Get an intimate look at a silverback family in Gabon’s Loango National Park.

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Follow scientists racing against the clock to save the world’s migratory shorebirds.

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Sir David Attenborough and experts unearth the fossil of the largest Jurassic predator.

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Patrick Dykstra has a life-changing encounter with a sperm whale and uncovers their world.

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A baby turtle in Canada and a young bushbaby in South Africa search for a safe new home.