The remaining 11 CBS reality titans fight to secure a spot in the final battle. Only one will survive the brutal conditions and host TJ's twists and turns to win THE CHALLENGE: USA and the $500,000 prize.

The remaining 11 CBS reality titans fight to secure a spot in the final battle. Only one will survive the brutal conditions and host TJ's twists and turns to win THE CHALLENGE: USA and the $500,000 prize.

Players must scale a moving semi-truck in one of the most intense and fast-paced challenge of the season.

A vengeful player looks for payback after being sabotaged in the challenge, and the reveal of a secret alliance turns the game upside down.

After a game-changing twist, a secret alliance makes plans to take control of the game.

Players are blindfolded and must navigate an epic crash course driving challenge.

In the wake of a shocking blindside, players scramble for power and a pair of underdogs must choose between creating chaos or playing it safe.

The most difficult water-based challenge of the season so far leaves some players swimming to survive the game, and whispers in the compound threaten to destroy a mighty alliance.

Players take on one of hosts TJ Lavin's favorite challenges, trivia, while hanging over the ledge of a 30-story building.

Loyalties are tested as a powerful duo starts to raise suspicions among alliances. Meanwhile, the lack of chemistry between a new team of mismatched challengers puts their game in serious danger.

The CBS reality titans take on their next challenge, "Yeah Buoy," where they must gather letter pieces from a rotating buoy high in the sky and form as many words as possible. Meanwhile, a SURVIVOR legend looks to cement their dominance in the game, a crafty BIG BROTHER player is a little too popular with other Challengers, and two LOVE ISLAND exes must put their differences aside in order to win a challenge.

BMX Legend TJ Lavin welcomes 28 competitors from Survivor, Big Brother, The Amazing Race, and Love Island to The Challenge. With old rivalries, new alliances, messy exes, and fractured friendships under one roof, who will be the first eliminated?