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In the season four finale of "World of Dance," the top four acts take the stage for the last time in the "World Final" with judges Jennifer Lopez, Derek Hough, NE-YO and host Scott Evans. Competing for the title of Best in the World, the judges will score their performances based on their artistry, technique, choreography, creativity and presentation. The top overall scoring act will be crowned the "World of Dance" season four champion and win the grand prize of $1 million.

In the "Semi-Final 2," the final six acts of the top twelve take to the iconic World of Dance stage for the first time this season with judges Jennifer Lopez, Derek Hough, NE-YO and host Scott Evans. The judges will once-again score each performance based on their artistry, technique, choreography, creativity and presentation. The top two scoring acts will move onto the "World Final" and become one step closer to winning the $1 grand prize.

In the "Semi-Final 1," six of the top twelve acts take to the iconic World of Dance stage for the first time this season with judges Jennifer Lopez, Derek Hough, NE-YO and host Scott Evans. The judges will now score each performance based on their artistry, technique, choreography, creativity and presentation. The top two scoring acts will move onto the "World Final" and become one step closer to winning the $1 million grand prize.

The Duels" round concludes with judges Jennifer Lopez, Derek Hough, NE-YO and special guest judge dancer and choreographer tWitch. This season, the judges have chosen which acts go head-to-head and acts won't know their opponent until they hit the dance floor, leading to some of the most epic dance battles the series has ever seen.

"The Duels" round continues with judges Jennifer Lopez, Derek Hough, NE-YO and special guest judge dancer and choreographer tWitch. This season, the judges have chosen which acts go head-to-head and acts won't know their opponent until they hit the dance floor, leading to some of the most epic dance battles the series has ever seen. As guest judge, tWitch will have the power to decide which acts up elimination will go head-to-head in the returning "Redemption" round.

The Duels" round continues with judges Jennifer Lopez, Derek Hough, NE-YO and special guest judge dancer and choreographer tWitch. This season, the judges have chosen which acts go head-to-head and acts won't know their opponent until they hit the dance floor, leading to some of the most epic dance battles the series has ever seen.

The Duels begin, and the judges have picked which acts go head-to-head in epic dance battles for a spot in the Semi-Finals; guest judge tWitch decides which acts will battle in Redemption and earn a spot in the Semi-Finals on the World of Dance stage.

"The Callbacks" begin with judges Jennifer Lopez, Derek Hough and NE-YO. Acts that received a callback during "The Qualifiers" have one last chance to showcase their artistry, precision and athleticism to move forward and earn a spot in "The Duels," where they'll earn their right to perform on the iconic "World of Dance" stage and ultimately win a grand prize of $1 million dollars.

In the final round of "The Qualifiers," the competition gets turned on its head as the judges surprise contestants, who must now first perform in a stripped down warehouse to prove they have what it takes

In round three of "The Qualifiers," the competition gets turned on its head as the judges surprise contestants, who must now first perform in a stripped down warehouse to prove they have what it takes.

In round two of "The Qualifiers," the competition gets turned on its head as the judges surprise contestants, who must now first perform in a stripped down warehouse to prove they have what it takes.

In round one of "The Qualifiers," the competition gets turned on its head as the judges surprise contestants, who must now first perform in a stripped down warehouse to prove they have what it takes.