Tune in for "Great Yellowstone Thaw" starting June 21

Last Updated by Dale Fisher on

Great Yellowstone Thaw

Episode 1

Aired: 2017-05-10 12:00:0054:10 Expires: 07/18/17 Rating: NR

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

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.

Tune in Wednesdays, beginning June 21, at 9:00 p.m. on Nine PBS.