S4 E8
6/11/14
On the Edge
Lost on a perilous ridgeline, at 15,000 feet above sea level, Joe and Matt are forced to descend slippery cliffs through extreme weather conditions, where altitude sickness and hypothermia threaten, and life-preserving fire alludes them.
Seasons
Episode
1
No End in Sight, part 1
Episode
2
No End in Sight, part 2
Episode
3
Deadly Dunes
Episode
4
Glacial Downfall
Episode
5
Journey's End a New Beginning
Episode
6
No Man Is an Island
Episode
7
Mayan Mayhem
Episode
8
On the Edge
Episode
9
End of the Road
Episode
10