The crews must incorporate Britney Spears hits into their first routines.
Flo Rida performs; the crews must craft a routine to one of Flo Rida's hits.
The crews must emulate one of Madonna's iconic music videos.
Crews deliver clever moves.
Tribute to Jennifer Lopez's career.
The crews must blend a regional dance style with their unique moves.
Rihanna presents challenges to the dance crews.
RedFoo presents the crews with challenges; the LMFAO choreographers stop by the rehearsal studio.
The top three teams perform to a mash-up of three David Guetta songs.
The two remaining crews dance to Katy Perry music.