Matt Quinlan

It's a battle of the sexes when tribes are separated into men versus women, but they are in dismay when they learn of a game-changing twist they must share one beach.

Weathering the harsh elements sparks new battles between the sexes, and poor communication leaves castaways scrambling at a frustration-filled Immunity Challenge, on `Survivor One World'.

Castaways jump off the deep end in an Immunity Challenge that requires a delicate balance. Meanwhile, a group of misfits band together, finding an unlikely leader, on Survivor One World.

The winner is revealed as the 18 castaways reunite to discuss the season.