The fifteenth episode of Season 18, and the four hundred and twenty-third episode of America's Got Talent overall, aired on September 6, 2023. It was the third of five Semifinals results episodes and took place in the Pasadena Civic Auditorium. 2 acts proceeded to the Finals, and 9 acts were eliminated.
Groupings[]
| Color | Meaning |
|---|---|
| Moved On | |
| Eliminated | |
| Advanced to Final |
| Group 1 | ||
|---|---|---|
 Summer Rios Singer |
 MOS Brass Band | |
| Group 2 | ||
|---|---|---|
 Mzansi Youth Choir Choir |
 Herwan Legaillard Sword Swallower | |
| Group 3 | ||
|---|---|---|
 Justin Jackson Tap Dancer |
 Putri Ariani Singer and Pianist | |
| Group 4 | ||
|---|---|---|
 Barry Brewer Jr. Comedian |
 Philip Bowen Violinist |
 Trigg Watson Magician |
| Group 5 | ||
|---|---|---|
 Phil Wright & Parent Jam Dance Group |
 Warrior Squad Acrobatic Group | |
Top 3[]
| Group 6 | ||
|---|---|---|
Mzansi Youth Choir Choir |
Putri Ariani Singer and Pianist |
Warrior Squad Acrobatic Group |
Results[]
Moved On[]
Mzansi Youth Choir Choir |
Putri Ariani Singer and Pianist |
Eliminated[]
Summer Rios Singer |
Herwan Legaillard Sword Swallower |
Justin Jackson Tap Dancer |
Barry Brewer Jr. Comedian |
Trigg Watson Magician |
Phil Wright & Parent Jam Dance Group |
MOS Brass Band |
Philip Bowen Violinist |
Warrior Squad Acrobatic Group |
Guest Performers[]
 Chapel Hart Vocal Trio |
- Detroit Lions Cheerleaders (in honor of NFL Kickoff Week)
Trivia[]
- For the second week in a row, the advancing acts came from outside of the United States (South Africa and Indonesia).
- With her advancement, Putri broke the streak of those being called second into the top 3 finishing in 3rd place.
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