The 18 new castaways begin their battle for million and the title of Sole Survivor. In the first immunity challenge, 3 tribes fight for their life to guarantee their safety at tribal council.

Immunity challenges get interesting when a new idol is introduced that has a special twist.

Castaways stumble upon a sneaky advantage that comes at a great risk. Truth is tested among castaways as mistakes are made.

Two castaways strategize a risky move during the immunity challenge, and another castaway does what it takes to earn a tribemate's trust.

The 3 members of Ua compete in the immunity challenge to try to avoid shrinking further. Friendships are put to the test when castaways from different tribes take a journey together.

For 12 days, the Luvu tribe has avoided going to tribal council, but now that the three tribes have merged, their alliances will be tested. Also, there's a new twist when it comes to the merge.

Erika's decision from Exile Island decides who competes in the first individual immunity challenge.

The castaways must work to make amends after betrayals. An interesting turn of events takes place at the reward challenge.

A castaway is singled out for their dishonest game. Both immunity and reward are on the line in tonight's challenge.

After a grueling season with no food, a warm meal is up for grabs at the reward challenge, and the immunity challenge will be a test of focus and balance.

Another big twist threatens to send someone home, and castaways must formulate a plan whether to vote out the big threat or keep playing the game with people they trust.

Castaways need to alter their plans after the winner of the immunity challenge throws a wrench in their next big move.

After a season filled with new twists, the 5 remaining castaways must battle it out for the title of Sole Survivor and the million prize. For the first time since season one, the winner is revealed live on location. The finale is followed by an after-show hosted by Jeff Probst.