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?

The Challengers are shocked by TJ's latest twist. A Survivor legend looks to cement their dominance in the game, while a crafty Big Brother player might be proving a little too popular with other Challengers.

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

A shocking double elimination leaves the challengers scrambling to win a high-stakes, adrenaline filled semitruck challenge to ensure their survival in 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.

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

A pair of "Challenge" vets play cupid as romance blossoms for a couple of former "Big Brother" houseguests; TJ makes a shocking announcement that impacts the game for the remainder of the season.