The Challenge: Rivals II is the 24th season of the MTV reality game show The Challenge. The season took place in Phuket, Thailand, with former cast members from MTV's The Real World and The Challenge competing. The season followed the same format as the original Rivals challenge, with players paired up with arch enemies from past seasons of The Real World and The Challenge.

The Challenge: Rivals is the 21st season of the MTV reality game show, The Challenge. Rivals takes place in Costa Rica, Argentina, and Patagonia. The season used former cast members from The Real World and The Challenge. Rivals marked the first season of The Challenge not to include any cast members from Road Rules.