The Challenge: Spie, Bugie e Strategie

16 pairs of rivals arrive in Thailand and the rookies cause trouble quickly: a fight in the pool, two surprising hookups involving bad boy CT, and one competitor going home early- the fate of her partner up in the air.

The rivals get closer than ever before in a sexy challenge that has each contestant literally tied upside down to each other. And one of the new girls has a freak out when her hookup with a veteran bad boy doesn't go as planned.

Just when one competitor gets comfortable exploring his sexuality, another person mocks him and sets off a huge fight. And when two Veteran girls get into it, one could be leaving prematurely along with her partner.

When one competitor's ex starts flirting with another challenger, he gets jealous and throws her biggest phobia, ketchup, in her face, leading to an epic meltdown. The contestants face the most dangerous elimination ever.

One challenger gets homesick and takes his frustration out on everyone around him. A strategic fumble in voting leads one challenger to accidentally send her hookup into elimination.

In tonight's challenge, competitors are forced to reveal their true feelings about each other, creating tension amongst the contestants. One team backstabs another, leading the whole house to wonder if they're trustworthy.

Frank unleashes his fury on Jordan causing uproar in the house. A cast member's flirtation leads to an unexpected hook up. At the challenge, the teams are physically SHOCKED into trusting each other.

After a high-flying challenge a team goes ballistic when pushed by their exes. A surprising vote at deliberations breaks an alliance and questions one player's motives.

CT and Diem's romance finally ignites, and the final guys challenge launches an all-out intimidation war among Johnny, Wes and CT.

A game-changing win at the challenge has the losing female teams desperate to secure their spots in the final. After deliberations, Diem unravels when she realizes she had been manipulated throughout the entire game.

The girls give it their all in the last elimination challenge. As the final six teams prepare for the final, TJ throws a curve ball, and two teams are sent home before the end of day one.

Day two of the final challenge forces the teams to leave the luxury of TJ's yacht and battle through the physically and mentally excruciating obstacles on Nightmare Island to rightfully earn the grand prize of $350K.

We'll get to the bottom of all the Challenge rivalries when the 16 top competitors reunite LIVE on stage to get their last digs in. Hosted by Jonny Moseley.