Twenty-two Challenge All Stars return for a second chance at the ultimate competition and a $500,000 grand prize. Right out the gate, the competition gets real with an intense underwater challenge. An honest player struggles with the game's politics.

Reunited in the house, two best friends clash, reopening decades-old wounds that threaten their relationship. One player's nervous mistake could cost them the game during a high-flying trivia challenge.

An infamous ice cold throwback challenge leaves some players in a compromising position. Years-old tensions between two all-stars boil over in an explosive argument, while two new allies mix business with pleasure.

The All Stars brace for impact as someone in power threatens to use the Lifesaver. A parent is torn between being away from their family and their shot at becoming a champion. An introverted player delivers a blistering message.

A grueling challenge leaves one All Star blaming another for their poor performance. An unexpected new romance blooms in the house. TJ blindsides everyone with a massive twist in the game.

The All Stars confront their worst fears in a terrifying new challenge high above the water. A pair of adversaries are thrust into a new partnership and must put their bad blood aside to stay in the game. TJ's twist sends players scrambling as they try to avoid the Arena.

On a dusty highway, the All Stars tackle their most intense challenge yet. A decades-old friendship is shattered when a veteran player makes a game move. Four All Stars battle it out in the final elimination of the season.

The All Stars begin day one of TJ's grueling Final. They'll not only be pushed to their physical and mental limits, but also must rely on the relationships they've built in order to succeed. Two players face elimination at the end of the first stage.