The Challenge: Untold History

Cast members from The Real World and Road Rules compete for cash and prizes and end up taking a small '90s cable show to new heights.

Twenty seasons in, the evolution of The Challenge transforms it into a reality competition soap opera that thrives on cinematic themes, intense games, and a wealth of cast history.

While forming friendships, rivalries, and romances, reality competitors from around the globe face off in cutthroat challenges and brutal eliminations, with the chance to earn their share of a $1 million prize.

Competitors, producers and fans discuss some of the show's most impressive participants, from OG champions and notorious pot stirrers to social strategists.

Asks if love can survive in a cutthroat game, revisiting couples who found love over the seasons. And though some were short-lived, went wrong or never aired, a few have stood the test of time and flourished.

Recalls the jaw-dropping moments that have made The Challenge so unpredictable, with its greatest surprises becoming more life-changing.