America's Got Talent

Season 4 Episode 22: Semifinals, Group 1 Results

Four acts are selected to advance to the finals in a results edition. David Hasselhoff performs, as do the Muppets' Kermit the Frog and Miss Piggy.

Genre:

Reality

Seasons:

21

Episodes:

515

Cast:

Simon Cowell, Howie Mandel, Sofía Vergara

Quality:

HD

Duration:

85 min

First Air:

2006

Rating:

5.7