A special ops vet teams up with a single mom to fight torrential rains, flash floods, and sickness in Thailand's Sai Rung River Valley. It's a race against time as the pair puts their skills to the test before the river leaves them stranded from the crew.

A Swedish adventure guide and a Texas military vet take on Australia's Outback, where almost nothing can survive. Dry windstorms, freezing temperatures, lack of sleep and cultural differences flare to unprecedented levels in this Naked and Afraid first.