Jeff Zausch

Starting with no tools, the survivalists scramble to prep for a brutal storm and two competitors are at risk immediately; a cutthroat survivalist puts the others on notice.

As competitors rush to find cached items, Matt races to grab the bow before Jeff; a grueling migration features head-to-head tests of survival skills; a group forms to stop Jeff from finding more items; a survivalist plots to sabotage competitors.

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.

Shocking sabotage and a midnight medical emergency upend the competition; the elimination challenge requires a photo finish; in a test of skills, survivalists must build primitive ladders, torches and hooks to claim critical caches.

Twelve elite survivalists enter an unprecedented 40-day XL challenge; in the Philippines, the survivalists must survive shark-infested waters before facing a dense jungle crawling with deadly snakes and monitor lizards.

Just days before extraction, a grizzly bear mauling leads to a frightening search-and-rescue mission; Montana delivers a ferocious windstorm the night before extraction; Jake's damaged feet have medics looking to pull him from his final challenge.