NBC's hit summer series from "American Idol" producers FremantleMedia North America and Simon Cowell's SYCO Television -- returns with the hottest performers from across the country ready to compete in the blockbuster reality show's fourth season.

The multi-talented entertainer-producer-comedian Nick Cannon joins as the new host.

The series will continue to be presided over by the explosive combination of celebrity judges Sharon Osbourne, Piers Morgan and David Hasselhoff.

With the talent search open to acts of all ages, "America's Got Talent" has brought the variety format back to the forefront of American culture by showcasing performers from across the country -- all hoping to win America's hearts and the million prize.

As a result, the series is a true celebration of the American spirit.