As the final 6 close in on the summit, they'll have to overcome death-defying terrain and make some of the toughest decisions yet if they want to make it to the top.

The group is torn between loyalty and strategy as Alex is voted off the mountain. Kings Leap stands between the final 4 and the summit, and Isaac overcomes all mental and physical barriers to get cross.

In a brutal final blow, the final trekkers who make it to the top with their dreams of sharing almost half a million dollars are cut short, as the trekkers they cut from the mountain return to decide how the money is shared.