“Crescendo of Chaos” – Hosted by Janelle James, four teams of contestants compete in an epic battle against gravity and physics as they attempt to remove items from towering, themed stacks. In round one, siblings are ready to take down the competition when they go against a couple and take on the sports stack. In round two, a husband and wife who hope to win the prize money and take their children camping, take on family members ready to do what it takes as they confront the ‘50s diner stack. The winners from each round face off against the national parks stack to earn a shot at The Mega Stack for a chance to win the grand prize of $250,000, airing SUNDAY, SEPT. 11 (10:00-11:00 p.m. EDT), on ABC. (TV-14, L) Watch episodes on demand and on Hulu the day following their premieres.