The eighteenth episode of Season 10, and the two hundred and thirty-seventh episode of America's Got Talent overall, aired on September 1, 2015. It was the first of two Semifinals performance episodes and took place in Radio City Music Hall. 11 acts performed for 5 spots in the Finals.


Symbol Meaning
Ovation Standing Ovation
X Buzzer
Name Image Act Howard Heidi Mel B Howie
1. Ira Ira Singing Puppet X
2. Mountain Faith Band Mountainfaithband Bluegrass Band
3. Metal Mulisha Fitz Army Metalmulishafitzarmy Motocross Team Ovation Ovation Ovation Ovation
4. Samantha Johnson Samanthajohnson Singer Ovation Ovation
5. Derek Hughes Derekhughes Magician/Comedian Ovation
6. Drew Lynch Drewlynch Stand-up Comedian Ovation Ovation
7. The CraigLewis Band Thecraiglewisband R&B Vocal Duo Ovation Ovation Ovation
8. Oz Pearlman Ozpearlman Mentalist
9. Benton Blount Bentonblount Country Singer/Guitarist
10. Siro-A Siro-a Video Projection Dance Group Ovation Ovation Ovation Ovation
11. Arielle Baril Ariellebaril Opera Singer Ovation