Charlie Frattini

Twelve elite survivalists take on their toughest location yet, Montana's sub-freezing Rocky Mountains.

Waz struggles on his first day in the jungle alone whilst Steven battles plummeting temperatures. Plus, another ruthless storm tests the survivalists.

Adam, Heather and Sam score a massive protein win, but the trek through Colombia's badlands puts the team at risk. Chris battles a mystery illness. Nathan reveals a secret to his partners. The Proving Grounds send a survivalist home.

For the first time, twelve 21-day survivalists take on the Colombian Badlands for 40 days and discover that they must travel 40 miles to reach the end. Extreme heat, rain, bugs and deadly cats tests their endurance like never before.

With day 60 extraction looming, a hunt goes awry and leads to an all-out search for wounded prey. The team's raft build could be a crushing waste of time.

The final six survivalists come together as one group but must scramble to expand their shelter. The Amazon unleashes a bee swarm and a torrential storm.