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

All-Star survivalists take on an unprecedented challenge in the jungle.

Jeff and Laura explore the jungle to find more resources after a typhoon.

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

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

Jeff and Laura must secure protein, besides snails, and find water.

Seven people with superhuman skills take on a brutal obstacle course.

Primitive survival expert Matt Graham demonstrates how to build an atlatl.

Primitive survival expert Matt Graham demonstrates how to build a fire.

Survival expert Matt Graham demonstrates how to purify drinking water.

Primitive survival expert Matt Graham builds a lookout from a small tree.

Primitive survival expert Matt Graham demonstrates how to fell a tree.

Primitive survival expert Matt Graham demonstrates how to build a smoker.

Primitive survival expert Matt Graham demonstrates how to build a shelter.

Primitive survival expert Matt Graham makes a bucket out of tree bark.

Primitive survival expert Matt Graham demonstrates how to make a bow drill.