Castaways compete for a luxurious spa getaway and tempers flare when one castaway returns with a full belly and a bitter attitude.

Castaways get the biggest reward of the season with surprise letters from home. Then, balance and dexterity are tested at a crucial immunity challenge to guarantee a spot in the final six.

Castaways' spirits are drowning in a relentless rain storm, but a fun challenge reward offers a few players a glimpse into the Cambodian culture. Also, the "voting block" strategy used this season continues to keep Castaways on their toes.

An intense water challenge leaves castaways thirsty for a much-needed reward. Also, immunity hangs in the balance as castaways attempt to steady themselves, and a shocking Tribal Council takes an unexpected turn.

An unexpected bond emerges that threatens to shake up the game as it heads into the Final Four. One overly confident Castaway is oblivious to what a close ally is considering to do at Tribal Council.

The finalists are questioned by the jury members, who cast their votes for the winner.

When the castaways discover that two people will be sent packing in a rare double elimination, everyone scrambles to save their own skin, and one castaway surprises everyone and risks it all at Tribal Council.

Fearing that they may be the next to go home, an aspiring Sole Survivor shares a shocking story from their childhood, and in an effort to escape the looming threat of elimination, sets out to find the elusive Immunity Idol.

Some surprising revelations are made following a brutally honest conversation at Tribal Council.

For some of the survivors, a priceless reward proves to be a life-changing experience. An unlikely friendship threatens to change the game.

The million-dollar prize and title of Sole Survivor is within reach for one of the five remaining castaways.

The final four survivors scramble to secure their place at the final Tribal Council.

It's every castaway for themselves, as two tribes become one in this season's merge. Meanwhile, one castaway's thirst for power could earn them a spot on the jury, and jaws drop as the blindside streak continues.

One castaway must do damage control after being called out by their tribe. Also, balance is tested in a stressful immunity challenge.

Winners battle it out, but only one is crowned Sole Survivor and takes home the $2 million prize.

Reunited on the merged tribe, two old friends rekindle an alliance but trust doesn't come easily, and one castaway makes an unprecedented play, setting the stage for one of the most surprising Tribal Councils in Survivor history.

An accident threatens one castaway's future in the game.

With the end in sight, castaways scramble to solidify a plan for the final three. Also, a frightening incident at the Immunity Challenge sends shockwaves through the entire tribe, and castaways are rewarded with a spiritual recharge at the temples of Cambodia.

Twenty winners of "Survivor" return to compete against one another for a prize of $2 million.

Alliances threaten to crumble; an undercover operation escalates to new heights.

Loose lips sink ships when one castaway's frustrations put a wedge between them and their tribe; a shared meal breeds connection between tribemates as they discuss race and heritage.

A surprising turn of events at Tribal Council sends shock waves through the entire tribe. Also, castaways must choose between food, love or an advantage in the game.

A power struggle between castaways erupts, and each player tries to arm themselves with allies. Also, tensions rise when castaways from Gen X turn on each other and one castaway throws another under the bus to build trust in the game.

A dramatic twist in the game sends shockwaves through the tribes. Also, castaways are flying blind at a classic immunity challenge.

A quarrel between two castaways could mean the end of a showmance. Also, castaways who win rewards earn a much-needed trip to the burger bar!