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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:

Stream the full America's Got Talent Season 4 Episode 21 movie online for free in crystal-clear HD quality. No downloads required—just press play and enjoy the action, complete with English subtitles for an enhanced viewing experience.

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