The Challenge: USA Episode Rating Graph

The game takes a dramatic turn when TJ announces that teams are no more, strategy shifts for several players, and a shocking draw from the hopper forces two ride or die allies to go head to head in one of the most grueling eliminations yet.

Players must scale a moving semi-truck in one of the most intense and fast-moving challenges of the season. A ruthless player schemes to pit two allies against each other.

TJ introduces the players to one of his favorite challenges - trivia! A vendetta from the past reignites in the Compound as a challenger seeks the ultimate revenge.

The challengers compete in a difficult swimming challenge; a vet turns on one of their own in an act of self-preservation.

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.

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

"The Challenge" vets come up with a plan to take advantage of a growing rift among the rookies, resulting in one of the most shocking hopper results of the season.

The 18 reality titans from "Big Brother," "Survivor," and "The Amazing Race" are shocked to learn that they are competing amongst six legendary veterans from MTV's "The Challenge"; a new twist puts multiple players at risk at the first elimination.

The challengers battle it out in a difficult water challenge; a new alliance is formed to target a veteran; romance blossoms between two teammates.

The remaining players fight to secure spots in the fast-approaching Final. Who will survive the brutal conditions and TJ's twists and turns to earn the Challenge USA crown and $500,000?

Michaela sets her sights on a fellow "Survivor" player who could be a threat to her game.

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

Michaela's sudden decision to target a fellow alliance member leaves Chanelle and Desi to question if she has their best interests at heart. Also, Michele finds herself in the middle between two alliances, ultimately betraying one of them.

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.