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.
WENH-TV Ch. 11 Durham
WLED-TV Ch. 48 Littleton
WEKW-TV Ch. 18 Keene
W50DP-D Ch. 50 Hanover
W34DQ-D Ch. 34 Pittsburg