Stranded in the Peruvian Andes, Grady and Josh battle altitude sickness.

Experts face Wyoming’s Bighorn Mountains in the dead of a brutal winter.

Grady and Bo are dropped into separate locations of a Colombian jungle.

Innovative survival tricks help acquire food, shelter, fire and water.

Learn about the three categories of factoring Primitive Survival Rating.

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.