America's Got Talent Season 4 Episode 21
Semifinals, Group 1
The semifinals kick off with the first 10 acts from the Top 20 taking the stage.
4 - 26Final ResultsSep. 16, 2009- 4 - 25Final PerformancesSep. 14, 2009
- 4 - 24Semifinals, Group 2 ResultsSep. 09, 2009
- 4 - 23Semifinals, Group 2Sep. 08, 2009
- 4 - 22Semifinals, Group 1 ResultsSep. 02, 2009
- 4 - 21Semifinals, Group 1Sep. 01, 2009
- 4 - 204th Results Show: Final 5 move on to Top 20 (live)Aug. 26, 2009
- 4 - 194th Ten of Top 40 Perform (live)Aug. 25, 2009
- 4 - 18Results (3)Aug. 19, 2009
- 4 - 17Live Performances (3)Aug. 18, 2009
- 4 - 16Results (2)Aug. 12, 2009
- 4 - 15Live Performances (2)Aug. 11, 2009
- 4 - 14Results (1)Aug. 05, 2009
- 4 - 13Live Performances (1)Aug. 04, 2009
- 4 - 12Vegas Verdicts (2)Jul. 29, 2009
- 4 - 11Vegas Verdicts (1)Jul. 28, 2009
- 4 - 10Final audition showJul. 22, 2009
- 4 - 9MySpace.com audition showJul. 21, 2009
- 4 - 8Audition Show #8 Seattle(3)Jul. 15, 2009
- 4 - 7Audition Show #7 New York(3)Jul. 14, 2009
- 4 - 6Audition Show #6 Houston(2)Jul. 08, 2009
- 4 - 5Audition Show #5 Los AngelesJul. 07, 2009
- 4 - 4Audition Show #4 Houston, Miami(2)Jul. 01, 2009
- 4 - 3Audition Show #3 New York(2), Chicago(2)Jun. 30, 2009
- 4 - 2Audition Show #2 Seattle(2), MiamiJun. 24, 2009
- 4 - 1Audition Show #1 New York, Chicago, SeattleJun. 23, 2009
