The fifth season of American talent show competition series America's Got Talent was broadcast on NBC from June 1 to September 15, 2010. For this season, production staff introduced two new quarter-finals: one for Wildcards selected from the participants eliminated during auditions or their respective quarter-final, and one for acts that auditioned via YouTube, following changes in the online application process. Following the conclusion of the fourth season, David Hasselhoff left the program, and was replaced by Howie Mandel. The fifth season was won by soul singer Michael Grimm, with classical crossover singer Jackie Evancho finishing in second, and blacklight performaners Fighting Gravity placing third. During its broadcast, the season averaged around over 11 million viewers, with its season finale the most watched in the program's history with around 16.41 million viewers. From Wikipedia
