Dual Survival

Trapped in the jagged canyons of Croatia's Velebit Mountain, new partners Grady and Josh must work together to navigate frigid, fast-moving rapids and descend treacherous waterfalls to escape the remote landscape.

Grady and Josh slash their way through the Nicaraguan jungle, battling snakes, mosquitoes and dehydration. They struggle to start a fire, go on a nighttime caiman hunt and build a raft to cross crocodile-infested waters.

On the slopes of Bulgaria's Rila Mountains, Grady and Josh face a whiteout blizzard, freezing temperatures and a run-in with a deadly predator. To survive, they must use unconventional methods to secure fire, shelter and food.

Shipwrecked on an island in the South China Sea, castaways Grady and Josh show their resourcefulness by repurposing garbage on the beach to desalinate water, construct shelter, hunt for food, and ultimately signal for rescue.

Stranded high in the Peruvian Andes, Grady and Josh battle crippling altitude sickness and the hallucinations that come with it. They must find fresh water fast in order to navigate this rough landscape in pursuit of civilization.

Air Force veteran Bo McGlone teams up with former Green Beret Grady Powell on Wyoming's frigid Big Horn Mountains in the dead of a brutal winter. Navigating the exhausting, snowy terrain will push them to their limits as they attempt to signal rescue.

Grady and Bo are dropped into separate locations of a Colombian forest to play out a military operation gone awry. With only a map and machete, they must survive in the dense jungle while trying to link up and find rescue.

Incredible survival tricks from the series have shown how to acquire food, shelter, fire and water in the wilderness, and some of the most innovative approaches are featured.