The first week of live quarterfinals performances begin at Radio City Music Hall in New York City.
On the final night of Judgment Week, the judges announce the Top 48 acts that will compete in the live shows.
On the first night of Judgment Week, the judges must narrow down the competition to the Top 48 acts.
Nick and the judges revisit their favorite auditions from Season 9, including never-before-seen interviews, behind-the-scenes fun and a sneak peek at Judgment Week.
Nick and the judges embark on the final week of open auditions to discover the most talented acts in America.
The auditions heat up as Nick and the judges meet the most talented acts in New York, New Jersey and Los Angeles.
The auditions continue as Nick and the judges trek the nation in search of America's most talented acts.
Nick and the judges head to New York, Los Angeles and New Jersey to find America's most talented performers.
Nick, Howie, Heidi, Mel B and Howard continue their quest for America's most talented performers.
Nick, Howie, Heidi, Mel B and Howard are back to scour the country in search of the most talented acts America has to offer.
Nick and the judges revisit their favorite auditions from Season 9, including never-before-seen footage and an extended preview of Judgment Week.
America's Got Talent 404
It's been a long road filled with incredible talent, but tonight one act will be crowned the million-dollar winner of Season 8.
America's Got Talent 423
America's Got Talent 508
America's Got Talent 401
The three singers in Forte have only known each other for a few weeks, and this is their first performance ever. Luckily, they're extremely talented singers.
All-boys hip-hop dance group The Struck Boys bring their explosive energy to the AGT stage to earn a trip to Las Vegas.
Check out the moments of joy from Week 2 of America's Got Talent Season 9.
Musical quartet Sons of Serendip enamor the crowd with a song that incorporates piano, cello and harp with a fantastic vocal performance.
Download the TV Guide app for iPhone, iPad and Android!