The series returns for the sixth season with host Nick Cannon and returning judges Sharon Osbourne, Piers Morgan and Howie Mandel. The two-hour premiere kicks off with auditions. The series is a true celebration of the American spirit featuring a colorful array of hopeful stars, including singers, dancers, comedians, contortionists, impressionists, jugglers, magicians and ventriloquists, all vying for their chance to strut and perform on stage hoping to win America's hearts -- and the $1 million prize.