The competition is turned on its head for the qualifiers as judges Jennifer Lopez, Derek Hough and NE-YO surprise contestants, who must perform in a stripped-down warehouse to prove they have what it takes to move forward in the competition.

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The ten acts, all groups, chosen for call backs perform in their various styles to be one of the four acts chosen to go on to the second round, The Deuls. The judges were impressed with the groups improvements but still offered cutting advice along with encouragement. Written by David Foss

The Duels begin for the Upper Level dancers. Guest tWitch will decide the two teams that will battle it out for Redemption

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In this second round of the junior duels two pairs of dancers and two solo dancers compete head to head to be the ones to continue to the next round. But the losers aren't quite out. Two junior dance groups from this week and last week compete for redemption in one last chance to stay in the competition. Written by David Foss

Six of the top 12 acts take to the World Of Dance stage for the first time this season; the judges score each performance based on artistry, technique, choreography, creativity and presentation; the top two scoring acts move on to the world final.

Dancers perform in front of a panel of judges to compete for $1 million and the title of Best in the World.

Dancers perform in front of a panel of judges to compete for $1 million and the title of Best in the World.