Admittedly, some of the magic died when big-mouthed 'Glee' extra Nicole Crowther leaked a major spoiler revealing who will win prom king and queen a couple of weeks ago via her Twitter page. "K is PQ and Ka is PK, she tweeted. Translation: Openly gay Kurt is prom queen and his in the closet reformed bully Karofsky is prom king. But we're sure Gleeks won't let spoilers ruin the fun.
Principal Figgins calls on the New Directions to fill in and perform when the planned prom entertainment falls through. Rachel Berry's ex-flame and star of rival glee club Vocal Adrenaline Jesse St. James returns to the show, while Finn's relationship with prom queen-obsessed Quinn continues to unravel. Sam, Mercedes, Rachel, and Jesse decide to go to prom together as one big, happy, socially awkward family, while "beard" couple and prom royalty contenders Santana and Karofsky are each other's dates.
Lea Michele (Rachel) steams things up with Jonathan Groff (Jesse) to put a haunting spin on Adele's smash hit 'Rolling In the Deep.' Kevin McHale (Artie) belts out the Stevie Wonder classic 'Isn't She Lovely,' the whole gang performs ABBA's prom-appropriate 'Dancing Queen' and Darren Criss (Blaine) sings the super-funky Black Kids' track 'I'm Not Gonna Teach Your Boyfriend How To Dance With You.' Lea Michele also covers Christina Perri's teary super-ballad 'Jar Of Hearts.' Best of all, the cast covers the viral, so-bad-its-good 'Friday' by overnight YouTube sensation Rebecca Black.