Jeff's Worst Nightmare

Learn about the three categories that are factored into a Primitive Survival Rating (PSR): experience, skill, and mental approach. Then, take a look back at survivalists from previous seasons to understand how their final scores were calculated.

Matt Wright prepares to begin his Africa XL challenge…. all alone. Will he find redemption after failing to complete 40 days in the Amazon and become savage?

Matt Wright begins his solo XL challenge in South Africa and must find a food source fast. Plenty of wild animals roam the Selati Basin but it's going to take every ounce of skill for this hunter to take dinner home.

Bombarded by horrific storms, Matt Wright and his shelter can no longer handle the beating rain. Only one choice remains: move on in search of a sturdier home or be sent home early.

Matt discovers a new camp, giving him hope another tribe could be close by. Meanwhile, who knew impala hide could make such fashionable and protective gear?

Reaching a breaking point, Matt reads a letter from his wife that was hidden inside a knife handle. Overcome with emotion Matt is unsure he can continue the journey.

Even the greatest survivalists in the world are vulnerable to the crippling effects of isolation. Unwilling to give up and more determined than ever, Matt sets out to hunt down the other survivalists.

Matt wakes up to find his camp burning down around him. A fire forces Matt to face the grim reality of having almost been killed. It's his last chance to find XL tribe for his own safety and sanity.

All-stars Jeff Zausch and Laura Zerra, embark on a 60-Day challenge.

Jeff and Laura have a sleepless night due to painful fire ants.

Jeff and Laura get smacked with a dangerous, destructive typhoon.

Jeff and Laura explore the jungle to find more resources post-typhoon.

It's Day 21, and Jeff and Laura prepare for the difficult 12-mile journey ahead of them. At the end of the trek awaits a new challenge - to begin a new 40-day XL challenge with 12 strangers.

Nine people face hunger, fatigue and more on Venezuela's Mt. Roraima.

The group grows desperate at night with no water.

The survivalists face the realities of the backcountry in a new campsite.