Semifinals, Group 1 America's Got Talent : Season 4 Episode 21
TV-PG NBC 1h 00m
Aired: September 1st, 2009 @ 8:00 PM EST on NBC
The semifinals kick off with the first 10 acts from the Top 20 taking the stage.
TV-PG NBC 1h 00m
Aired: September 1st, 2009 @ 8:00 PM EST on NBC
The semifinals kick off with the first 10 acts from the Top 20 taking the stage.
