Nature
Frogs: The Thin Green Line - Preview
Airs Wednesday, March 19, 2014 at 8:00 p.m. ET/PT. Check your local listings.
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The Mystery of Eels Preview
There are some things in nature we just don't understand, and this creature is one of them
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Braving Iraq - Preview
Airs Wednesday, March 6, 2013 at 8:00 p.m. ET/PT. Check your local listings.
Nature
Cold Warriors: Wolves and Buffalo Preview
In Canada's vast plains, the biggest buffalo and wolves in the world do battle.