America's Got Talent Season 4 Episode 22 Semifinals, Group 1 Results ( Air Date 2009-09-02 ) Genre Reality category. Overview "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.".
America's Got Talent Season 4 Episode 22 Semifinals, Group 1 Results
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- Watch: America's Got Talent Season 4 Episode 22 Semifinals, Group 1 Results on CWR-CRB
- Stars: Simon Cowell, Howie Mandel, Sofía Vergara, Terry Crews, Heidi Klum
- Director:
