The twenty-first episode of Season 4, and the sixty-eighth episode of America's Got Talent overall, aired on September 1, 2009. It was the first of two Semifinals performance episodes and took place in Hollywood. 10 acts performed for 4 spots in the Finals.
Performed[]
| Symbol | Meaning |
|---|---|
| Standing Ovation | |
| Buzzer |
| Name | Image | Act | Piers | Sharon | David |
|---|---|---|---|---|---|
| 1. Acrodunk |
|
Basketball Dunking Group | |||
| 2. The Texas Tenors |
|
Vocal Trio | |||
| 3. Paradizo Dance |
|
Acrobat Duo | |||
| 4. Drew Thomas Magic |
|
Magician | |||
| 5. Tony Hoard & Rory |
|
Dog Act | |||
| 6. The Voices of Glory |
|
Vocal Trio | |||
| 7. Fab Five |
|
Clogging Group | |||
| 8. Grandma Lee |
|
Comedian | |||
| 9. Arcadian Broad |
|
Dancer | |||
| 10. Kevin Skinner |
|
Singer and Guitarist |
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