"In a series first, the new season pairs up memorable power players and redemption seekers with their biggest rivals," MTV said.

How do you follow up the epic 40th season of MTV’s “The Challenge”? Bring back one of the most popular themes for “The Challenge: All Stars.” That’s exactly what the series will do when Season 5 debuts on Wednesday,

Keep scrolling to meet the cast of “The Challenge All Stars: Rivals” — and see why each duo doesn’t get along. Adam and Steve both competed on “The Challenge: All Stars 4.” During the 2024 season, Adam voted to send Steve into the first elimination. Steve later got his revenge by stealing Adam’s star.