THE CHALLENGE 40: BATTLE OF THE ERAS will feature 40 legendary competitors from the series' 26-year history representing their "Challenge Era" in an epic battle for the ages where legends will collide as they strive to immortalize their names as Challenge 40 Champions and earn their share of the one million dollar prize. In the monumental 40th season, the path to glory is far from easy, as they must first compete at the Era Invitational and eliminate the weakest links from within their own Challenge Era for only the best will earn a coveted spot on their team. With relentless, new challenges and twists, these seasoned Veterans are perpetually kept on their toes in the game they thought they had mastered.