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.
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.