Overview

• Eleven acts performed in the September 16 live show after Mastermind withdrew, leaving one fewer slot than planned.
• Voting opened during the broadcast and closed at 7 a.m. ET on September 17, with results revealed Wednesday night on NBC.
• Judges Simon Cowell, Howie Mandel, Sofía Vergara, and Mel B. evaluated the performances, and Terry Crews hosted.
• TT Boys achieved a run of 40 continuous backflips during their routine, drawing strong praise from the panel.
• Six viewer-selected semifinalists will join quarterfinal Golden Buzzer finalists Micah Palace, Mama Duke, Team Recycled, and Steve Ray Ladson in next week’s finale.