Torrential downpours hammer the survivalists in the Georgia rainforest.
The mile-high altitude of the Rockies tests two strangers' ability to adapt.
The frigid Montana wilderness pushes a partnership over the edge.
A Hawaiian biologist takes on the blistering Chihuahua Desert.
All-Stars Wes and Suzänne take on Ecuador's relentless rainforest.
After surviving a nearly fatal car crash, an impulsive adventurer is paired with a cautious archaeologist in the Texas desert. Stalked by mountain lions and tarantulas, this odd couple must work together to endure scorching days and frigid nights.