On the first night of Duels, the top qualifying acts from each division will choose a rival and face off in a head-to-head elimination duel.

On the 3rd night of Duels, the top qualifying acts from each division will choose a rival and face off in a head-to-head elimination duel.

Ballet superstar Misty Copeland joins judges Jennifer Lopez, Derek Hough and NE-YO in making the most intensive - and heartbreaking - cuts of the season, starting with the Junior division.

Ballet superstar Misty Copeland joins judges Jennifer Lopez, Derek Hough and NE-YO in the final night of The Cut round, featuring Fik-Shun, Les Twins, Keone & Mari, Kinjaz and more.

Judges Jennifer Lopez, Derek Hough and NE-YO preside over the Divisional Final, where the best of the best vie for the top spot in Upper, Team and Junior divisions.

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A qualifying round.

Dance acts showcase their artistry, precision and athleticism in hopes of moving forward in the competition.

The final qualifying round.

The top qualifying acts from each division will choose a rival and face off in a head-to-head elimination duel. The judges will score each act based on their artistry, precision and athleticism, and the top scoring act from each duel will move forward in the competition.

The top qualifying acts from each division will choose a rival and face off in a head-to-head elimination duel.

The top qualifying acts from each division choose a rival and face off in a head-to-head elimination duel.

In this round, the top qualifying acts from each division will choose a rival and face off in a head-to-head elimination duel. The judges will score each act based on their artistry, precision and athleticism, and the top scoring act from each duel will move forward in the competition and be one step closer to winning a grand prize of $1 million.

Tap legend Savion Glover joins Jennifer Lopez to mentor the Junior Team Division, while Julianne Hough and brother Derek mentor the Upper Division on the first night of The Cut, when the divisions are cut to three acts each.

The top three highest scoring acts from each division move on to the divisional final; guest judges Mel B and Paula Abdul.

The top three acts from each division compete for a spot in the “World Final.” Misty Copeland, principal dancer of the American Ballet Theatre, serves as a guest judge; and Ciara acts as a guest mentor.

The top four acts take the stage for the last time; the top overall scoring act is crowned the Season 2 champion; performances from Les Twins, Kinjaz, and Keone and Mari.

The Duels” round continues with the new twist of Redemption. In this round, the top qualifying acts from each division will choose a rival and face off in a head to head elimination duel. The judges will score each act based on their artistry, precision and athleticism, and the top scoring act from each duel will move forward in the competition. In Redemption, the two highest-scoring eliminated acts have one final chance to compete for the last spot in the next round of the competition.

A new crop of incredible dancers compete to avoid elimination and qualify to move on to the next round.

The qualifiers continue with the competition turned on its head as Jennifer Lopez, Derek Hough and Ne-Yo surprise contestants who must first perform in a stripped-down warehouse to prove they have what it takes to move forward in the competition.

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.