Survivor - Season 23 (2011)

One castaway is brought to tears when confronted with his past during an emotional tribal council, and another turns on his alliance and teams up with an unlikely tribe member.

Starving castaways tap into their primal instincts at an intense Immunity Challenge, and a big betrayal shakes up the game at a surprising Tribal Council.

Feeling betrayed by their tribe, one castaway reveals a potentially game-changing secret, and appalled by the lack of loyalty within his tribe, another castaway threatens to leave the game. Meanwhile, on Redemption Island, Christine battles Elyse to try and win her fourth duel in a row and stay alive in the game.

One tribe calls upon the heavens in hopes of changing their luck, while the other tribe is left in shock when one of their own makes a risky move that will go down in Survivor history.

With a potential merge on the horizon, one tribe puts on an elaborate show in hopes of gaining the upper hand on their competition, and an unlikely castaway holds all the power at a game-changing Tribal Council.

After a shocking betrayal, one castaway faces the wrath of a former alliance, and a double eviction rocks the newly merged Te Tuna tribe.

Paranoia among tribemates threatens to break a once-impenetrable alliance, and castaways are shocked at Tribal Council with the announcement of another double elimination. Meanwhile, on Redemption Island, a castaway makes a bold threat to his former tribemates during the duel challenge, and two castaways are sent home.

Never-before-seen moments give an inside look into the castaways and their decisions made during the game so far.

At the immunity challenge, one tribemate makes a big gesture to a fellow castaway.

A relative crosses the line during the emotional family reunion, and an unlikely secret alliance threatens the pecking order of the Te Tuna tribe.

Tensions escalate at camp when the final five original Upolu members are forced to turn on each other.

Using every last bit of physical and mental strength, the castaways battle it out in the final immunity challenge to secure their spot at the final tribal council.

The season's castaways reunite as Host Jeff Probst asks them questions about their game play.