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.
3.1 / 5
Episode 1
As the competition begins, lean, mean and newly awakened bears brawl over spring resources.
Episode 2
The Stage 1 winners and some tough new recruits dash to cash on July's frantic salmon feast.
Episode 3
An icy storm affects the race to the finish line; Big Boi bounces back; BoldFace hits her stride.
