The Challenge: Spie, Bugie e Strategie

Twenty-eight Challenge competitors arrive in Costa Rica only to find out that they will be teamed up with their biggest rivals. And a fight on night two sends one Challenger home early.

On the first men's elimination day, everyone is surprised at who ends up fighting for their lives in the Jungle. Jonna and Camilla have it out, but it's Jasmine who takes the fight to the next level.

On girls' elimination day, one of the stronger teams could be sent home. And the guys hatch a plan to get rid of CT.

While the guys plot to send CT home, Mandi and Laurel vie for his attention. And Kenny worries that he's lost his competitive edge.

Working as a team continues to be difficult for the rivals, especially Jasmine and Jonna whose blowout changes the game. Adam tries his best to score with love interest Jenn.

The plot to get rid of CT resurfaces, and it requires Evan to throw the challenge. Thing is...he hasn't told his partner. CT finds himself smack in the middle of a Mandi, Laurel love triangle.

When Cara Maria finds herself in brawl with Jenn their alliance begins to crumble. TJ shares a unexpected twist changing challenge history.

With the final challenge approaching, the competitors crack under pressure. Wes and Paula drive Cara Maria to tears. And Laurel, while defending her teammate, deals Paula an emotional blow.

Johnny and Tyler compete against CT and Adam in the final and most grueling men's jungle. Cara Maria and Wes finally have it out, and food poisoning threatens the house the night before the final challenge.

In a jaw-dropping twist, competitors are shocked to learn that the final challenge is a multi-day event that will take them literally to the ends of the earth -- all for 300K in cash and prizes.