The sixteenth episode of Season 18, and the four hundred and twenty-fourth episode of America's Got Talent overall, was aired on September 12, 2023. It was the fourth of five Semifinals performance episodes and took place at the Pasadena Civic Auditorium. 11 acts performed for 2 spots in the Finals.
Anna DeGuzman did not receive standing ovations as the judges were part of her act.
This was the only live show this season where an act got more than one buzz.
This episode is the only Semifinal of the season where Howie Mandel did not buzz an act.
This episode is one of only two Semifinals of this season where the acts who performed last were not Golden Buzzer acts, it was followed by Episode 1818.