Nick, Howie, Howard, Mel B, and Heidi embark on the nationwide search for the most talented act in America. This season, the Golden Buzzer allows four acts to go directly to the live performance rounds at Radio City Music Hall.

Week 2 of the auditions jumps into hyperdrive as Nick and the judges continue their search for the million-dollar act.

Week 3 of America's Got Talent continues with auditions in New York, New Jersey, and Los Angeles.

For Week 4 the judges discover some incredible talent on stage and then go outside the theater for some big, dangerous, and extreme acts.

Auditions continue in the 10th anniversary season.

The nationwide search for talent continues as Nick and the judges witness some of AGT's most incredible auditions yet.

The judges make their final decisions in the auditions round.

Howard Stern invites stage and screen star Neil Patrick Harris to join the judging panel for Judge Cuts and gives him control of the Golden Buzzer. The auditioning acts get their last chance to impress the judges before America votes in the live rounds at Radio City Music Hall.

Heidi Klum invites guest judge Michael Bublé to the panel to help narrow down the field of contestants.

Celebrity judges Howie Mandel, Mel B, Heidi Klum, and Howard Stern revisit some of the biggest, best, and most show-stopping moments from the 10th anniversary season.

Howie Mandel invites Marlon Wayans to help narrow down the field of contestants; Wayans' favorite act advances to the top 36.

Celebrating the show's 10th anniversary with highlights from the past decade that include special moments and popular performances, as well as interviews with former winners, the current judges, and former judge Piers Morgan.

Mel B. invites former panel judge Piers Morgan to help narrow down the field; Morgan chooses one of the top 36 acts.

A celebration of jaw-dropping talent from all over the world includes thrilling performances and previously unseen moments.

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

The votes are in and seven acts from the previous night's show will move on to the semi-final round of competition. Tonight, viewers will have one last chance to send their favorite performer to the next round by using the Google Instant Save. Also featuring performances by Mat Franco and OMI.

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

The votes are in and seven acts from the previous night's show will move on to the semi-final round of competition. Tonight, viewers will have one last chance to send their favorite performer to the next round by using the Google Instant Save. Emily West and William Close perform.

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

America's votes determine the top 24 acts; the viewers have one last chance to send their favorite act to the next round; performance from "Le Rêve - The Dream".

The first 11 acts of the top 22 perform for the judges, including one judges' wildcard.

Five performers move on to the finals; the Illusionists perform.

The final 11 acts of the top 22 perform for the judges.

Five acts advance to the finals, rounding out the top 10; Little Mix performs; acrobatic gymnasts AcroArmy perform.

The contestants from the top 10 acts compete for the last time, and hope to win the competition and the million prize; a special performance from Flo Rida and The Rockettes.

Exciting surprises and highlights of the final performances; the Season 10 winner is revealed; performances by special guests include Rachel Platten, Penn & Teller, Yolanda Adams & the Harlem Gospel Choir, Terry Fator, Freelusion, and Mat Franco.