Ten of the most memorable acts from around the globe perform for the judges. Four of these acts will advance - two chosen by a panel of superfans, one Judges' Choice and one who will receive a Golden Buzzer to perform in the finale.

The competition continues as 10 more of the most talented, memorable and all-around fan favorite acts perform for judges Simon Cowell, Heidi Klum, Alesha Dixon and Howie Mandel. Four acts will advance, including one who will receive a Golden Buzzer.

Ten more of the most talented acts perform for judges Simon Cowell, Heidi Klum, Alesha Dixon and Howie Mandel. Four acts will advance, including one who will receive a Golden Buzzer to perform in the finale.

A final group, including 10 of the competition's most talented acts, performs for judges Simon Cowell, Heidi Klum, Alesha Dixon and Howie Mandel. Four acts will advance, including one who will receive a Golden Buzzer to perform in the finale.

Twelve finalists perform for judges Simon Cowell, Heidi Klum, Alesha Dixon and Howie Mandel. Six of these renowned acts will move on to the finals, five will be voted through by a panel of Superfans and one will be the Judges’ Choice.

The Top 10 finalists perform, including four Golden Buzzer acts and six performers from the Semifinals, for judges Simon Cowell, Heidi Klum, Alesha Dixon and Howie Mandel. America’s Superfans vote to determine who will be named the ultimate Champion.

In the finale, the ultimate Champion is crowned in front of judges Simon Cowell, Heidi Klum, Alesha Dixon and Howie Mandel. Special guests take the stage with the finalists for memorable performances.