Watch all the footage that didn't make it to air on 'The Challenge: Rivals.'

Maria Menounos brings the cast together to discuss all the hookups, fights and what really went down on 'Rivals.' Find out which rivals have settled their old feuds once and for all and which new rivalries have risen up to take their place!

With the Final underway, teams thrive or fail based on their ability to work together. One male team and one female team will claim the title of Challenge champions.

Two strong male teams fight tooth and nail in "T-Bone," the last elimination of the season. A clue sends the remaining twelve Challengers off to another destination, where they begin the toughest Final in Challenge history.

When the game moves to Argentina, the challengers begin to break down mentally as friends turn on each other for a spot in the finals.

During a night out in Costa Rica, Cara Maria gets on Jenn's bad side, the challengers learn they will be going to Argentina.

Evan decides to throw the challenge without Nehemiah's consent and CT's flirting with Laurel causes Mandi blows up.

Adam crushes on an uninterested Jenn while Jasmine reaches her breaking point and wants to go home.

The men of the mob conspire to get CT out of the competition while Laurel upstages Mandi and flirts with CT.

An intimidated Wes tries to get in CT's head, Laurel and Cara Maria's lack of communication costs them another challenge.

The challengers' teamwork is tested during a car crushing challenge and rookies Jonna and Jasmine cause drama.

Twenty-eight Challenge competitors arrive in Costa Rica only to find out that they will be teamed up with their biggest rivals.