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.
Kirk Johnson
Himself - Presenter
Welcome to Earth
Pole to Pole
Planet Earth
Wildest Islands
Baboons with Bill Bailey
David Attenborough's Rise of Animals: Triumph of the Vertebrates
Echo and Other Elephants
Wild Argentina
Banded Brothers: The Mongoose Mob
Earth's Tropical Islands
Our Universe
Life on Our Planet