MTV's most iconic franchise "The Challenge" is back again with the debut of an eight-week special event "The Challenge: Champs vs. Stars." Hosted by WWE superstar and former challenge competitor, Mike "The Miz" Mizanin, "Champs vs. Stars" will feature ten of the fiercest champions from past "Challenge" seasons. The alumni go head-to-head against ten celebrity athletes and entertainers in challenge-style competitions to determine who will reign supreme. Winners will compete for a chance to take a share of the $150,000 cash prize to donate to their beloved charities.