The teams head out on Afognak Island, which is ruled by Kodiak bears, one of the largest bears on Earth. The teams will cross 31 miles of treacherous, bear-packed wilderness to reach the extraction point at the northernmost tip of the island. All three teams are running into bears at every turn. As the Endurance team stops to fish, Sean is left staring into the jaws of a charging brown bear. Between lost maps and wrong turns, the survivalists are just trying to get out of bear country alive.