Episode 815

The fifthteenth episode of Season 8, and the one hundred and eighty-seventh episode of America's Got Talent overall, aired on August 7, 2013. It was the third Quarterfinals results episode and took place in New York, in Radio City Music Hall. 4 acts proceeded to the Semifinals, and 8 acts were eliminated.

Guest Performers

 * Brad Paisley
 * Robin Thicke