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.
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Release Date: 2018-01-11
Vote Average: 7.9
Media Type: tv
Release Date: 2019-10-03
Vote Average: 8.551
Media Type: tv
