KellyAnne Judd

Twenty-six All Star competitors are paired up with their greatest enemy from seasons past. As bad blood resurfaces for some, the Rivals quickly learn that to win their share of the $300,000 grand prize, they must be able to work together to survive.

With the four coveted Stars claimed, the nine remaining Rival pairs without a star are left to figure out how to take possession of one for themselves. At the next challenge, the Rivals are faced with one of their greatest fears: heights.

Host TJ Lavin brings together the most decorated Challenge Legends of all time and the fiercest Global MVPs from Argentina, Australia, the UK, and the USA for a groundbreaking and grueling new competition. Who will become the Champion of Champions?

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.

All eyes are on the notorious Wes and Veronica as they make their first appearances on "All Stars" and leave both their enemies and friends wondering what trouble they have in store for this season.