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.

Primitive survival expert Matt Graham demonstrates how to make a blowgun.

Sneak peeks are revealed as show veterans prepare for the next challenge.

Twelve veteran survivalists take on the badlands of Colombia.

Hunger, thirst and distrust threaten to wreak havoc on several competitors.

The survivalists struggle to adapt to the environment and each other.

The remaining survivalists trek across the scorching savanna to find food.