Wes and Stee brave croc-filled waters to build a fish dam and get their first catch of the challenge. Teal and Waz use a mosquito net to catch six terrapins. A heat wave has both Frank and Joe on the brink as medics assess if they can continue.

Days from the end, Teal's sudden tailspin threatens her challenge. Desperate for food, the remaining survivalists use scavenged wire to dredge the pond. With no rescue coming, they must escape the apocalyptic landscape to return to civilization.