Under the sweltering Outback sun, competitors scramble to build Aboriginal dome shelters and avoid elimination. Medics race to give aid when Laura suffers whiplash, and Trish gets toxic sap in her eye. A survivalist must be evacuated via stretcher.

Pushed to the brink, three competitors send shockwaves through the Outback. All camps are disbanded, and challenges going forward will be solo tests. A hunting competition offers a protein reward. Medics are called when a survivalist steps on hot coals.