Extreme performer Ryan Stock turns himself into a human guinea pig to test just how far the human body can go. Along with his partner in profession and in life, Amber Lynn Walker, Ryan travels all over North America.
The aftermath of an avalanche is a chilling reminder of the risks we take when we venture into freezing environments. Taking on the cold, Ryan is plunged into ice water, belted into a sinking car and buried alive in the snow.
S1E4 21 min