The 18th season of "America's Got Talent" returns with a new set of aspiring performers looking to compete for the ultimate $1 million prize. Executive producer Simon Cowell returns to the star-studded judging panel with global fashion icon Heidi Klum, renowned comedian Howie Mandel and acclaimed actress and international superstar Sofia Vergara. The dynamic Terry Crews returns as host. This season promises to deliver some of the wildest acts to ever grace the "AGT" stage."America's Got Talent" then kicks off six weeks of live shows at the Pasadena Civic Auditorium beginning Tuesday, August 22 (8-10 p.m. ET/PT) on NBC. Results shows will air Wednesday nights (8-9 p.m. ET/PT).