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.
Natural World74%
Planet Earth86%
Earth at Night in Colour81%
Nature79%
Our Planet85%
NOVA70%
Prehistoric Planet83%
Seven Worlds, One Planet85%
Planet Earth III85%
Welcome to Earth76%
Planet Earth II86%
Great Migrations77%
Life84%
The Secret Lives of Animals80%
Life on Our Planet80%
Animal80%
30 for 3075%
The Crocodile Hunter75%
Our Living World80%
Biography67%
