Ray Mears' Extreme Survival säsong 1

Looking at the role of a positive mental attitude in times of crisis, Mears talks to two sisters who spent nearly two weeks sheltering under a piece of sailcloth after they were shipwrecked off Alaska.

A U.S. Marine stays afloat for 36 hours after falling from an aircraft carrier.

Hazards along a trip to Skeleton Canyon include spiders, centipedes and snakes.