
E1
A veteran, outdoorsman, and climber battle winter.

E2
Human-dog teams put their skills to the test

E3
A vet, an engineer, and a trainer rely on their dogs.

E4
Three teams rely on each other to survive.

E5
A rescue expert, a survival instructor, and a wilderness enthusiast face the wild with their dogs.

E6
An Iditarod racing team, a rescue dog and his trainer, and a survivalist with her Lab face the wild.