Described as "the Olympics of talent", it will feature winners, finalists and other successful contestants from previous seasons of America's Got Talent alongside acts from other Got Talent franchises worldwide.
Cast: Mel B, Simon Cowell, Terry Crews, Heidi Klum, Howie Mandel
The Top 10 finalists perform, including four golden buzzer acts and six performers from the semi-finals.
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.
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.
The competition continues as 10 more of the most talented, memorable and all-around fan favorite acts perform for the judges. Four acts will advance, including one who will receive a Golden Buzzer.
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.