Past members of The Real World, Road Rules, Are You the One?, first time cast members called Fresh Meat, and relatives of these members, compete against each other for the chance to win a cash prize.

Eighteen eager Underdogs arrive in Thailand and are shocked to be living in a run-down hut called The Shelter. While the players adjust to their living conditions, the Champions prepare to invade the game.

Kailah finds herself universally disliked and must figure out how to survive being considered the game's most hated player. Sylvia struggles with loyalty to her friendships versus the pressures of her alliance.

Johnny Bananas has secured his place in history with more wins than any competitor in The Challenge. As he prepares to return to for a record-breaking fourteenth season, MTV looks back at his most unforgettable moments.

Paranoia gets the best of Shane and causes him to lash out. LaToya and Nelson bond as the last four tickets to the Oasis are awarded and the players are ecstatic to finally move out of The Shelter.

The Champions move into The Oasis. A civil war breaks out within Team Underdog when they must decide which players they want to send into Elimination.

When Ashley spots Hunter flirting with a Champion, she questions their romance. The Champions vow to even out the bank accounts at the Roll With The Punches challenge. Bananas makes a suspicious move to save himself

The competitors must endure a spicy curry eating challenge that sends tempers flaring. The Underdogs question if they can trust Shane, when he is suspected of making multiple alliances.

Flirtatious Nicole vows that she can hook up with both Cara Maria and Laurel, but her plans go awry. The pranksters are revealed causing all hell to break loose between the girls on each team.

The Underdog alliances begin to unravel when Hunter's motives for flirting with Ashley are called into question. TJ surprises the competitors with a shocking twist in the game.

With only four players remaining on each team, The Champions and Underdogs must rely on their teammates to navigate a tricky maze course. In-fighting among the Champs leaves tempers flaring right before their last elimination.

A meltdown threatens to break apart the Underdog team. An ancient Thai lantern festival prompts reflection among the Challengers. TJ shocks everyone with a twist to the Final that no one saw coming.

Camila and Cory's love affair is put to the ultimate test when they must work together in the Final. The Underdogs and Champs must rely on each other in order to finish the Final.

After a grueling three-day Final, the winners of Invasion of the Champions are revealed. Will an Underdog earn the title of Champ? Or will a Champ remain on top?