Survivor

The 20 castaways stranded on the Cook Islands are divided into four tribes along ethnic lines: African-American, Asian-American, Hispanic and White. Once the tribes are formed, they set up camp and get to know one another.

At the Aitu camp, Billy quickly becomes a deficit to his tribe and his tribe mates become conflicted over what to do. Do they push to win the challenge and keep their tribe intact or throw it so they can vote Billy out? After just a short time in the Cook Islands, one castaway is already claiming their affections toward another.

Having sized up her tribe, a giddy and flirtatious Parvati starts using the only strategy she knows: to manipulate the men and draw them into her "web." Jonathan quickly grows frustrated with Jessica when he tries to talk strategy and she seemingly wants nothing to do with "playing the game.

Can the men and women of one tribe find a way to pull it together and work as a team, or will their gender division be their downfall? When Candice returns from Exile Island, her tribemates want to know why she thinks the other tribe decided to send her, thus keeping her safe from Tribal Council.

While exploring the islands around their camp, some Aitu tribe members unknowingly land on Raro's island and walk into their camp. The awkward encounter makes the Raro tribe testy when one Aitu tribe member asks for some of Raro's coconuts and spices.

Win or lose, both tribes must vote one of their own off the island.

Loads of never before-seen-footage includes a scene where Candice and Adam go on a boat trip only to encounter a storm that leaves them cold and shivering and stranded on a sandbar. Another new scene involves Yul who, after discovering the Immunity Idol on Exile Island, decides to cover the evidence

After one castaway collapses from exhaustion during the Reward Challenge, the burden of completing the challenge is left to their other tribemates. When one Survivor chooses to sit out the physical portion of the Reward Challenge, the rest of the tribe becomes resentful of this person after their loss.

A major twist at the Reward Challenge results in betrayal and leaves one tribe stunned. How will this turn of events affect the castaways' morale? Banished to Exile Island, one Survivor worries about being away from their tribe at a critical bonding time. One castaway desperately tries to fit in with their tribe, but suddenly finds they're on the outside

A sealed message in a bottle leads one tribe to an unexpected twist.

When the Raro tribe of five merges with the Aitu tribe of four, Yul realizes he needs to sway one of the old Raro tribe members to join his underdog Aitu alliance. To do so, he decides to reveal his possession of the hidden Immunity Idol to a few select tribemates. Will the castaways stay true to their alliances or will this news stir up the game?

Jonathan is berated by Parvati, Candice and Adam for turning on their Rarotonga alliance. With nothing left to lose, the three of them try to convince the Aitu alliance that Jonathan cannot be trusted. At the Reward Challenge, the castaways are left stunned when one of them reveals some shocking news to the group.

With only seven castaways left, the Survivors' loved ones arrive in hopes of winning a Reward.

Parvati and Adam vow to win challenges and manipulate players in order to stay in the game. Will they be successful in turning the tides? The Reward Challenge forces the castaways to get down and dirty in exchange for luxury pampering away from camp. Relaxing time at the Reward allows one castaway to talk strategy with an otherwise enemy.

As the number of remaining tribemates dwindles down, Aitu's members are forced to think about turning on each other. Will this strong alliance finally crumble? At the first Immunity Challenge, the Survivors must complete an obstacle course that ends with the most difficult puzzle in Survivor history. Later, endurance is a key factor in the final challenge for Immunity.

Jeff Probst and the 20 castaways from Cook Islands reunite in a town hall forum for a look back on the season.