
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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Rhys Darby
Narrator (voice)

Louis and the Urban Jungle
Louis and the Urban Jungle

Den stora älgvandringen
Den stora älgvandringen

Keep Sweet: Pray and Obey
Keep Sweet: Pray and Obey

The Widower
The Widower

The Alcàsser Murders
The Alcàsser Murders

Billy, How Did You Do It?
Billy, How Did You Do It?

Mind Over Murder
Mind Over Murder

Memphis to the Mountain
Memphis to the Mountain

Nightmares of Nature
Nightmares of Nature

Seven Worlds, One Planet
Seven Worlds, One Planet

Beauty and the Bester
Beauty and the Bester

New Orleans: Soul of a City
New Orleans: Soul of a City