The auditions begin with creator and executive producer Simon Cowell at the judges table alongside Heidi Klum, Mel B, Howie Mandel, and host, Nick Cannon. The Golden Buzzer is back and allows four lucky acts the chance to go directly to the live performance rounds at the Dolby Theatre in Los Angeles to compete for America's vote.

The laughs, cries, and gasps continue as more incredible and incredibly wacky acts take the stage in the hopes of making it to the next round.

The third set of hopefuls audition in front of the judges.

The fourth set of hopefuls audition in front of the judges.

The fifth set of hopefuls audition in front of the judges.

The sixth set of hopefuls audition in front of the judges.

Nick Cannon hosts a special recap of the moments that left America speechless during the auditions. Never before seen footage is also revealed as we get ready to head into the judge cuts.

The judges push their favorite acts through to the top 36. Guest judge Reba takes control of the Golden Buzzer.

The judges push their favorite acts through to the top 36. Guest judge NE-YO takes control of the Golden Buzzer.

The judges push their favorite acts through to the top 36. Guest judge George Lopez takes control of the Golden Buzzer.

The judges push their favorite acts through to the top 36. Guest judge Louis Tomlinson takes control of the Golden Buzzer.

The first 12 of the top 36 acts take the stage of Radio City Music Hall to perform for America's votes.

America finds out which acts are going to the semifinals.

The second 12 of the top 36 acts take the stage of Radio City Music Hall. For the first time three Golden Buzzers go head to head in one live show. Sal Valentinetti, Calysta Bevier, and Dorothy Williams are back to win America's vote for a coveted spot in the Semifinals.

America finds out which acts are going to the semifinals.

The last 12 of the top 36 acts take the stage of the Dolby Theatre to perform for America's votes. After having the most viewed audition in the history of the show, Grace VanderWaal is now back to compete along with others to win America's vote for a coveted spot in the Semifinals. Other fan favorites featured include singing groups Linkin' Bridge and Edgar and comedian Julia Scotti.

America finds out which 7 acts are voted through to the semifinals. The Judges choose one wildcard. Olympic champion Michael Phelps co-hosts.

The first 11 of the remaining 22 acts perform for a chance to win million and be named the most talented act in America.

Only 5 of the previous night's performers will move on to the Finals. Tonight, viewers will have one last chance to send their favorite act to the Finals by using Google Instant Save. Featuring special guest performances and hosted by Nick Cannon.

The last 11 of the remaining 22 acts perform for a chance to win million and be named the most talented act in America.

Only 5 of the previous night's performers will move on to the Finals.

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

Host Nick Cannon reveals who America chose as the million winner. This 2-hour season finale will feature special guest performers and not-to-be-missed surprises.