Matt Wright begins his solo XL challenge and must find a food source fast.

Matt Wright and his shelter can no longer handle the beating rain.

Matt discovers a new camp, giving him hope another tribe could be close by.

Matt reads a letter from his wife that was hidden inside a knife handle.

More determined than ever, Matt tries to hunt down the other survivalists.

Matt wakes up to find his camp burning down around him.

Matt Wright prepares to begin his Africa XL challenge all alone.

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.

Jeff and Laura prepare for the difficult 12-mile journey ahead of them.

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.

The group finds shelter in a Pemon Indian hut as tensions rise.