November 28, 2020 • 44m
The harsh elements of the Americas' winter push animals to their limits. Only the toughest and most resourceful survive.
December 6, 2020 • 44m
Winter's savage conditions are the ultimate test for Asia's wildlife. Only the most resilient and resourceful animals survive until spring.
December 12, 2020 • 44m
Winter in Europe sees temperatures plummet to minus 40 degrees; wildlife pushed to the extreme. Animals here have little choice but to adapt or die.