Another installment of The Challenge is here as it's time for The Challenge All Stars: Rivals. The brand-new season of the hit MTV series comes on the heels of the epic The Challenge 40: Battle of the Eras, and sees a new twist of sorts for fans. In this installment, challengers will have to shockingly work with one of their biggest rivals if they hope to claim the cash prize.
Here's everything we know about The Challenge All Stars: Rivals.
