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Defying Gravity

Season 1 Episode 1
Defying Gravity

About the Episode

How do animals take to the air in the first place? Each of the incredible creatures we’ll meet has its own special techniques. But they must all overcome one of the planet’s most powerful and universal forces – gravity.

Aired: 06/28/16 | Expires: 01/01/20 | Runtime: 51m 40s
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