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Season 22 Episode 12
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Season 25 Episode 1
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Nature

Holy Cow

Season 22 Episode 11

Cows have altered human life, biology and the geography of the world. Narrated by Edward Herrmann.
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Season 28 Episode 5
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Season 27 Episode 10
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It is the greatest mass extinction since the dinosaurs.
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Season 27 Episode 9
Kilauea: Mountain of Fire
Kilauea, on Hawaii's Big Island, is the world's most active volcano.
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Season 27 Episode 8
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Relationships with cats and dogs are some of the longest and most intimate of our lives.
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Season 27 Episode 7
Drakensberg: Barrier of Spears
In the Drakensberg Mountains of South Africa, eland make a remarkable journey of survival.
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Season 27 Episode 6
Is That Skunk?
Skunks seem to know their power as they navigate the margins of our world.
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Season 27 Episode 5
The Dragon Chronicles
Ancient maps and legends tell of dragons in our world. Where did these stories come from?
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Season 27 Episode 4
The Wolf That Changed America
In 1893, a bounty hunter journeyed to New Mexico on a mission to kill a dangerous outlaw.
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Season 26 Episode 10
What Males Will Do
Male animals will stop at nothing for the right to mate with a female.
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