Wes Harper

Twelve of the toughest and most experienced all-stars from "Naked and Afraid" take on South Africa's punishing Oribi Gorge in a completely new type of challenge.

Shocking sabotage and a midnight medical emergency upend the competition. The elimination challenge requires a photo finish.

Matt's tactics spark tension in another camp. Survivalists compete in a primitive axe challenge. After the first big-game kill, a competitor must choose to keep or share their win.

Pushed to the brink, three competitors send shockwaves through the Outback. All camps are disbanded, and challenges going forward will be solo tests.

A top contender's shocking exit rocks the competition.

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.