Just days before extraction, a grizzly bear mauling leads to a frightening search and rescue mission. Montana delivers a ferocious windstorm the night before extraction. Jake's damaged feet have medics looking to pull him from his final challenge.

Wes confronts Sarah about her contributions to the team. A mountain lion stalks the survivalists. Jermaine's trapping efforts are rewarded. Ky taps her primitive skills to treat an injury. Medics are forced to remove a survivalist from the challenge.

An overnight snowstorm tests the survivalists' will. Pushing through foot injuries, Jake scavenges a challenge-changing food win. With Jeremy struggling, Trish needs to step up. Heart conditions put Sarah and Joe's challenges at risk.

Desperate for food, Jake and Waz brave frigid water to build a dam. Gabby takes a huge risk that could lead to hypothermia. Jermaine and Sarah clash over survival strategies. A team secures the first big food win of the challenge.

With Joe on the brink, Ky and Gabby secure the first food win. Looking to catch trout, Waz and Jake risk hypothermia to dam a frigid stream. Medics must intervene after a fainting spell. A survivalist is forced from the challenge.

Scrambling from the start, 12 elite survivalists take on their harshest location yet, the sub-freezing Rocky Mountains of Montana. Jake injures his feet during insertion but tries to push through. Severe dehydration puts a survivalist's challenge at risk.