Air date: 2009-03-15

Runtime: 50 min

Following Yellowstone's wildlife in a fight to survive six freezing winter months.

Air date: 2009-03-22

Runtime: 50 min

As the snow melts, the extent of Yellowstone is revealed, but summer here is fickle.

Air date: 2009-03-29

Runtime: 50 min

Elk move down from the mountains and beavers repair their dams in preparation for winter.