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.

Rivals did not leave fans waiting long to witness TJ Lavine throwing challengers in the competition pit. After the legendary 40th season of The Challenger, the fans got to witness another season of All Stars but with a twist.

Enemies must work together if they want to win it all in a new season of "The Challenge All Stars: Rivals" premiering on Wednesday, Jan. 29.