The tribes trek through a Thai village divided in men amd women thinking that they will be divided along gender lines, but when they meet Jeff, they are informed that in Thai traditions the eldest are given more respect and advantages. This means that the oldest man and woman, Jake and Jan, are to pick the tribes. At Sook Jai, Robb and Shii Ann have an argument on building the shelter, and Stephanie goes skinny dipping, while at Chuay Gahn, Tanya is feeling sick, and Helen and John argue while finding the water pit. At the first challenge Chuay Gahn takes a lead but a mistake proves fatal and costs the tribe Immunity. John's friction with his tribemates earlier appears to be enough to get him ousted, as he becomes the first to leave Thailand.
The Sook Jai tribe is divided with Jed, Stephanie, and Robb alienating themselves from the group. At Chuay Gahn, Tanya is feeling even more sick. Sook Jai wins a 60 foot fishing net as the first reward. The Chuay Gahn tribe celebrates Helen's wedding anniversary. Chuay Gahn loses immunity and is forced back to tribal council. They vote Tanya off because she's too sick to continue.
At Sook Jai, Shii Ann & Robb continue to argue. At Chuay Gahn, Ghandia says that Ted grinded her in his sleep and tells Helen and Jan about it. Ted hears about Ghandia's accusations and says it was an accident. Helen says that she believes Ghandia, while Clay says that he knew Ghandia was trouble from the beginning. Jan realizes the tribe is split between men vs. women. At the Reward Challenge things heat up when Robb strangles Clay and gets disqualified. Robb, Jed, Ken and Stephanie all get disqualified helping Chuay Gahn win Reward. Back at camp, Robb gets mad and calls Clay names. Shii Ann and Jake purposely throw the immunity challenge, helping Chuay Gahn win. At tribal council, Shii Ann receives 3 votes, while Jed receives 5 votes and is voted out.
Lingering tensions and accusations spill over, pitting the men against the women.
One castaway hopes never to see another castaway again...forever.
One Survivor gets attacked by a stingray.
The Survivors receive a shocking offer.
One Survivor's singing drives the others crazy.
Two unlikely tribemates forge a tentative alliance, but neither is sure whether the other can be trusted.
Robb feels paranoid and vulnerable after his friend Stephanie was voted out. He questions his tribe's loyalty to him and lashes out at Penny and Ken.
A reward feast brings the Sook Jais together, and Robb apologizes for his previous behavior. He says he has learned a lot about himself during his Survivor experience.
Chuay Gahn knows it needs to win immunity to even the tribe numbers, and they come through. Sook Jai is sent to tribal council, where they vote out Robb.
The two tribes move to the same beach, but when they find out they're not merging into one tribe, a player realizes she has made a big mistake.
The Chuay Gahn members learn that the Sook Jai tribe has voted Shii Ann out of the game, and all are surprised to learn that there is no reward challenge. However, the survivors are rewarded with fins and a snorkel. Sook Jai loses the Immunity Challenge, and winds up voting Penny off of the island. At Tribal Council, Jeff makes the observation that Sook Jai has run out of members and out of luck but have not run out of hope.
The two tribes finally merge into one.
With only two members of Sook Jai remaining, one betrays the other in an attempt to save themselves.
New footage highlights a recap and a review of the first 21 days in Thailand.
After receiving Tree Mail, the tribe met host Jeff Probst at the Reward Challenge, where he unexpectedly brought each Survivor's loved ones from home to compete in the Challenge. One by one, each loved one entered the area as tears of joy ran down the Survivors' homesick faces. Jeff then explained, "The loved ones are going to compete against each other in a bug-eating contest. The winner will spend 24 hours at the tribe camp with their Survivor as an honorary member of the tribe. If at any time you fail to eat anything, you are sent off with no contact whatsoever with your Survivor."
When the Survivors met Jeff Probst at the important Immunity Challenge, he once again explained the rules. Each person had to gather their own misshapen pieces from a nearby pile and fit the assorted, oversized pieces in such a way that they construct a colored cube. First person to have successfully constructed their colored cube would win. Just before starting the Challenge, Jeff provided yet another twist to the game of SURVIVOR. Running out from around the corner, each loved one returned to embrace their family member. "Guys, your loved ones are going to be your partner in today's Immunity Challenge. They will be tied to your wrist. You will win or lose Immunity based on how well you work with your loved one," explained Jeff.
With five of the original members of the Chuay Gahn Tribe in the final five, competition becomes more fierce.
The castaways find a mirror at their camp and get to see themselves for the first time since the game began.
Later, as the five of them head for a reward challenge, host Jeff Probst drives a Chevrolet Trailblazer to their camp and takes them the rest of way. The winner of the challenge, of course, wins the SUV, but also brings a guest to spend a day at the spa "Survivor" style, including a massage and Thai feast.
The outcome of the next immunity challenge determines which of the final final five makes it to the final four.
The 2 hour finale begins with a 5 minute summary of the entire season in Thailand. The final four are Jan, Clay, Brian and Helen. The final four head over to the second last immunity challenge which included peices of challenges from previous episodes. Brian won this immunity and the tribe voted Helen out at the second last tribal council.
As the final three give tribute to the voted off castaways, they are on route to their final challenge which is won by Brian. The final two leaves Brian and Clay and in the end, the jury votes Brian to get ,000,000.
The 16 castaways are reunited to discuss their experiences in Thailand. Jeff Probst is the host.