Host Cat Deeley is decked out ominously in black as she welcomes us to the show and tells us the judges will have to eliminate one more guy and one more girl.
We open with a modest Napoleon and Tabitha Dumo routine featuring all 12 dancers wearing jackets which turn out to be glow-in-the-dark. Cat explains that three couples with have to dance for their show lives and were introduced to Mia Michaels, Mary Murphy and Nigel Lythegoe.
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Ready to Watch So You Think You Can Dance, Season 4, Episode 15?