Wildlife biologist Karsten Heuer and his wife, environmentalist Leanne Allison follow a herd of 120,000 caribou on foot across 1500 km of Arctic tundra, hoping to raise awareness of the threats to the caribou's survival. Along this journey, they brave torrid conditions, dangerous wildlife and treacherous terrain all in the hopes of learning the truth about this epic migration.
Where to watch US
Which of these do you already pay for? Type your streaming services and the ones your subscription covers turn green below.
Comma-separated. Saved only in this browser, never sent anywhere.Included in a subscription
-
Fawesome
free
✓ you have this
