ABC World News Tonight With David Muir

Survival experts try finding food, shelter, and water as they each begin the task of living alone.

While predators continue to cause problems for a number of the men, water soon becomes a crucial hurdle for others. From fast rising tides to relentless rains, each of the men must adapt to his new environment or tap out and go home.

After only a short time in the wild, the men find that extreme isolation is beginning to take its toll. A survivalist undertakes a massive cabin project, one man loses his most important tool and another is charged by a large predator.

As the days pass, the remaining survivalists show signs of cracking. One man battles isolation as another breaks down after missing his daughters 4th birthday.

A punishing storm batters the remaining men and gale force winds rip through their makeshift camps. One survivalist pushes his bush-craft skills to limit trying to find a way to set sail on the turbulent seas.

The remaining participants are finally adapting to the unforgiving environment but the search for food leads them into harms way. One man is forced to abandon his new boat miles from camp.

In the brutally freezing temperatures the hunt for food becomes the paramount focus of the remaining survivalists.

The first six men to go home explain their reasons for leaving, plus an exclusive preview of the what's to come for the remaining participants.

Temperatures plummet on the island and the remaining contestants are forced to face the onset of winter head on. One man risks it all with a risky move while everyone struggles with the ongoing effects of isolation and freezing temperatures.

The relentless elements continue to punish most of the men while one receives an unexpected gift on the shores near his camp.

Two men remain on Vancouver Island as the storm of the year blows in. The unrelenting elements, isolation and starvation confront both remaining participants, forcing one to go home.