Great Yellowstone Thaw

Journey with Kirk Johnson to Yellowstone, where wolves, grizzlies, beavers and Great Gray owls survive one of the greatest seasonal changes on the planet. As the temperature swings 140 degrees, cameras capture how the animals cope.

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Episode 3


Soaring temperatures bring wildfires, and something’s forced the beavers to leave home.

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Episode 2


Spring is here and Yellowstone is bursting into life, but the thaw is just beginning.

Episode 1


Follow the dramatic ups and downs as the wildlife families brave a brutal winter.