The summer's hottest reality competition show returns with Mel B, Simon Cowell, Heidi Klum, Howie Mandel, and new host Tyra Banks. In the season premiere, variety acts of all types and contestants of all ages audition for the chance to win the $1 million prize. The Golden Buzzer is back giving five lucky acts the chance to go directly to the live shows at the Dolby Theatre in Los Angeles to compete for America's vote. (thetvdb.com)