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America's Got Talent Season 4 Episode 21

Episode Title: Season 4, Episode 21
Genre: Music
Countries: United States,
Airing Date: September 01, 2009
Runtime:120 min
IMDb Rating:

Watch America's Got Talent Season 4 Episode 21 full movie online free in HD with English subtitles – no download needed.

The semifinals begin as the first 10 acts from the Top 20 perform.

Nick Cannon     , David Hasselhoff     , Howie Mandel     , Tyra Banks     , Simon Cowell     , Terry Crews     , Gabrielle Union     , Regis Philbin     , Julianne Hough     , Heidi Klum     , Brandy Norwood     , 6 more     , Mel B     , Sharon Osbourne     , Jerry Springer     , Piers Morgan     , Sofía Vergara     , Howard Stern