The nineteenth episode of Season 5, and the ninety-second episode of America's Got Talent overall, aired on August 3, 2010. It was the fourth Quarterfinals performance episode and took place in Hollywood. 12 acts performed for 4 spots in the Semifinals.
Performed
| Symbol | Meaning |
|---|---|
|
Standing Ovation |
|
Buzzer |
| Name | Image | Act | Piers | Sharon | Howie |
|---|---|---|---|---|---|
| 1. Da Maniacs | 
|
Dance Group |
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| 2. NU Covenant | 
|
Gospel Group |
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| 3. Anna and Patryk | 
|
Ballroom Dancers | |||
| 4. Lindsey Stirling | 
|
Hip-Hop Violinist |
|
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| 5. Doogie Horner | 
|
Stand-up Comedian | |||
| 6. Rudi Macaggi | 
|
Acrobat |
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| 7. Taylor Mathews | 
|
Singer and Guitarist | |||
| 8. Mary Ellen | 
|
Singer and Pianist |
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| 9. ArcAttack | 
|
Technological Band | |||
| 10. Prince Poppycock | 
|
Opera Singer | |||
| 11. MURRAY | 
|
Magician |
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|
Dance Group |
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