The Challenge: USA

18 titans from Big Brother, Survivor and The Amazing Race are shocked to learn that they are competing amongst veterans from The Challenge.

The Challengers battle it out in a difficult water challenge and a new alliance is formed to target a Challenge veteran.

The challengers compete in a swimming challenge and the Titans declare war against the Veterans prompting a Vet to turn on one of their own.

Host TJ Lavin reveals a shocking double elimination leaving the Challengers scrambling to win a high-stakes, semi-truck challenge.

The Challenge vets come up with a plan to take advantage of a growing rift among the rookies, resulting in a shocking hopper result.

Things get heated between two rookie players, and competitors brace themselves for host TJ Lavin's favorite challenge of the season: trivia.