The two tribes have been divided into an all male tribe called Tambaqui and an all female tribe named Jaburu.

A tropical downpour soaks the women's tribe and one of women is secretly hiding granola bars.

For the the Reward Challenge, the girls win soap and shampoo. Heidi, Shawna and Jenna bathe topless while he men begin to speculate about which women they may have a chance with. The girls promise they'll go topless in front of the men if they need to secure their votes in the future.

The men win a feast and take an excursion and purposely leave Matthew behind, leaving him to plan his mode of survival in the game. Meanwhile, after Shawna becomes ill, the alliance in the women's tribe may crumble.

Just as the men are getting comfortable with their severe environment, Alex is injured with a minor cut. In a twist in the game, Dave and Jenna are forced to mix up the tribes to include men and women for each. Shawana suddenly feels better once the guys join Jaburu.

Alex and Shawna's relationship grows to new levels, and is put to the test when Matthew develops an interest in her Shawna. Christy asks her tribe why she was spared and Butch calls her work during the reward challenge, a defining moment.

The tribes merge into one, Jacaré. Jenna and Heidi strip naked in an attempt to gain food items during a challenge and Alex struggles with Shawna's departure.

After being suprised by Roger being voted out, Dave & Butch wake up to make a dock so that the rest of the castaway's won't get wet. Rob becomes jelious when he see's Dave climbing a tree. At the reward challenge, the 9 are split into 3 teams of 3. In the fisrt round; Dave, Alex, and Deena win. In the final round Dave wins and brings Deena with him for IceCream and a bath. Jenna & Heidi complain about Dave getting to eat for the 3rd Time, and bathing for the 2nd time. Dave & Deena enjoy their icecream and Dave asks Deena if he's next. Deena admits to Dave that it's between him and Matthew. Dave & Deena return to camp where they want supper. Jenna becomes pissed and calls Deena a fat cow. Rob becomes jelious when Heidi spoons with Dave and fears Heidi may double cross him. The survivors recieve a mask for everyone and they dress it up like themselves. At Immunity, they learn that each survivor has 3 ropes holding the wood and after the 3rd chop to their mask the wood will brea

Alliances will change when a second jury member is added.

A recap of the events in the Amazon so far, as well as new footage including Christy teaching sign language to her new tribe.

A reward challenge turns into an auction for letters from home and tribe members comfortable in their alliances take it easy.

Jenna tells the entire tribe about Rob's secret plans, revealing his strategies to everyone. Feeling ostracized and betrayed, Jenna and Heidi refuse to stay in the game feeling that way.

A fire rages through the camp and destroys everything.

Matthew, Rob, Butch and Jenna are the final four. The guys plan an all-male final three, which backfires when Jenna wins the first immunity.