Blood vs. Water relationships are put to the ultimate test on Day 1, when castaways are shocked to learn they will be separated from their loved ones and have to compete against each other on separate tribes. Meanwhile, a former castaway attempts to rehabilitate their reputation.

A new alliance of seasoned players targets one of their own. Meanwhile, the old Colton rears his head and tries to disturb the peace at camp.

Simmering family rivalries come to the forefront during an intense tribal challenge. One castaway's decision on what to do for the rest of the game has a tremendous impact on the remaining contestants.

For the first time ever, a Redemption Island battle pits husband against wife. In another series first, a castaway refuses to accept an Immunity Clue and a shocking blindside at Tribal sends another castaway home.

One castaway sacrifices their own life in the game for a loved one. Meanwhile, this season of blindsides continues at a wild, unpredictable Tribal Council.

Castaways find out if water could be thicker than blood as new tribes are drawn. Meanwhile, one castaway falls victim to a strategic blindside and the Coconut Bandit returns.

An ultimatum at Redemption Island puts one castaway on the spot to prove his love. Meanwhile, one player discovers that her honesty may be her biggest downfall; and Vytas tries to prove his worth to his almost all-female tribe.

It's do or die in a redemption battle that will leave castaways clinging for their lives. Meanwhile, a potentially game-changing blindside at Tribal leaves one castaway on the outs, and the hidden Immunity Idol falls into the hands of an unlikely castaway.

It's double the drama as castaways endure two Tribal Councils in one episode. Meanwhile, castaways wonder if Vytas will exact revenge for his brother's blindside and one castaway attempts to change history in a challenge that's tough to swallow.

An emotional loss on Redemption Island produces this season's first jury member. Also, castaways find out if blood really is thicker than water at a tearful Tribal Council, and a castaway's generous offer proves immunity means much more than a sumptuous feast.

A castaway's bold move could either smoke out the hidden Immunity Idol or extinguish their own flame. Also, one castaway is in hot water after playing both sides of the tribe, and two moms pull a less-than-maternal move at the Redemption arena.

Castaways try to find balance at a frustrating Immunity Challenge and a ruthless game of tug of war leads to an incredibly rare Tribal Council.

Loved ones face off at Redemption Island for their final shot in the game. Meanwhile, castaways must test their knowledge of Survivor for immunity, and a heated Tribal Council could force a swing vote to exercise their power.

After 39 grueling days, one castaway will be crowned the Sole Survivor and awarded million on a special two-hour season finale.

The castaways reunite in Los Angeles to discuss the season. Hosted by Jeff Probst.