Tensions begin to rise among the castaways after the two tribes merge into one.

With her paranoia on the rise, Kathy questions the loyalties of the original Rotu tribe members and an eighth person is voted out.

One tribe is bedeviled by multiple injuries, while the other tribe struggles to keep the camp together; both tribes are soaked by a tropical rain storm.

Kathy is faced with a difficult decision; an uneasy campfire meeting is followed by a heated and emotional tribal council, where the 12th member is voted out.

Tribal loyalties shift, Rotu's self-proclaimed leader is targeted for ouster and the sixth person is evicted.

The final survivor from the South Pacific island of Nuku Hiva is revealed.

A tribe member decides to takes charge; an island romance heats up; one group dubs itself the "love tribe"; the second person is voted out.

A sudden turn of events inspires new activity at the camps and the fourth person is voted out.

The tribe that wins the reward challenge gets to raid the losers' camp; a Rotu tribe member tries to assume power; the Maraamu tribe discovers a new food source.

Two reward challenge winners are treated to a helicopter trip, horseback ride, a feast and a dance celebration.

A shocking event brings the castaways to tears; a newcomer joins the tribe and quickly gets immersed in plotting strategy.

Sixteen men and women strive to live on the South Pacific island of Nuku Hiva.

Kathy sets her sights on catching and eating a shark, Sean serenades Vee for her 36th birthday and the 10th person is voted out.

Highlights and never-before-seen footage recap the castaways' first 24 days on the island of Nuku Hiva.

The 16 survivors gather to discuss their experiences