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.

Seal joins the judges panel and takes over the Golden Buzzer as contestants have one last opportunity to impress the judges before the live shows. 20 acts perform, and 7 are chosen by the judges.

Before the Live Shows begin, relive the best moments from the season so far, including the Judges Golden Buzzer saves.

The final group of 12 acts take the stage live in the Dolby Theatre in Hollywood to try to make it into the semifinals.

Seven of twelve acts from the previous night's show will move on to the semifinal round of competition. Tonight, viewers will have one last chance to send their favorite performer to the next round by participating in the Dunkin' Save. Also featuring a surprise guest performance.

Semifinalists perform for a chance to move on to the finals.

The contestants push themselves harder than ever before to advance to the finals.

The top 10 acts compete one last time, live at The Dolby Theatre, for the chance to win one million dollars and be named the most talented act in America.