An unrelenting electrical storm pounds the wasteland for three straight days. Survivalists scavenge wreckage for roofing materials and gutters to stave off flooding. Barely protected inside a junked car, Alexa's challenge is at risk due to hypothermia.

Wes and Stee scavenge materials to take on their crocodile nemesis. Lions stalk Waz and Teal. A survivalist scores the first big-game kill of the challenge. A rogue elephant targets Joe. The wasteland forces two more to bow out.

Fueled by their fishing win, Waz and Teal scavenge the ruins to build shelter. Wes fights a territorial crocodile for control of a fishing spot. Amber battles an eye infection as camp chaos boils over. Two survivalists are forced to leave the challenge.

In an abandoned African wasteland, 12 battle-tested veterans scavenge ruins to survive. Camps turn old tires into shoes and use barbed wire as protection from aggressive lions. A rogue elephant forces Steven's camp to make shelter from junked cars.