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.

Genre:

Reality

Seasons:

21

Episodes:

515

Cast:

Simon Cowell, Howie Mandel, Sofía Vergara

Quality:

HD

Duration:

85 min

First Air:

2006

Rating:

5.7