Episode 1

A young woman races for rescue as her boyfriend is trapped and slowly dying in a freezing Utah river. A hiker faces a fork in an Oregon trail, and the choice he makes leads to a five-day struggle for survival.

Episode 2

A freak car accident leaves a man unable to move and fighting for his life, just a few hundred feet from a busy Houston highway. A skilled Florida hunter is out of his element, lost and alone in Alaska's punishing environment.

Episode 3

A son's birthday present for his father turns a wilderness adventure into a life-or-death struggle against freezing weather and prowling grizzlies. A casual walk before work plunges a woman into a nightmare of raging rapids and swarms of insects.

Episode 4

An adventurous young couple are pushed past their limits in a menacing Wyoming ice cave, with nothing but each other to protect them from freezing to death.

Episode 5

An ATV accident pins an experienced outdoorsman in the Canadian badlands, helpless and immobile as freezing temperatures and coyotes close in. A young woman out for a quick walk in Yosemite National Park takes a bad fall.

Episode 6

A marriage proposal on a Montana mountaintop turns into a life-or-death struggle against wind, rain and cold. A concussion leaves an experienced hiker lost and confused in the Washington wilderness.

Episode 7

A freak weather system strands two sailors on a lifeless Mexican desert island with no food or water and staving off death by exposure. A hiker with a broken femur fights for his life in the middle of Joshua Tree National Park's punishing heat.

Episode 8

Three teenagers find themselves stranded on a remote northern Canadian island for three weeks, facing death by starvation as winter closes in. A quick hike in Utah's Bryce Canyon suddenly turns into a four-day struggle for survival.