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.

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.