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1 season · 3 episodes total · ~3 per season.

Follows the bears of Alaska's Katmai National Park as they bulk up for winter hibernation. Over 150 days, the bears battle the elements – and each other – using brains and brawn to consume three million calories and gain up to 200 pounds in Nature’s real-life survival show.
“Some stories are better left unspoiled.”
Where to watch · US
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Rhys Darby
Narrator (voice)
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