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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.

Rhys Darby
Narrator (voice)
1999

2013
TBA

2024

2019

2022

2022

2024

2013

2012

2021

2021

2013

2024

2023

2023

2022

2025

2009

2006