Ryan Heinke

A disco inferno rages at McKinley when the New Directions pay homage to the iconic 70s movie 'Saturday Night Fever'. Plus, Sue faces a battle.

Jake is pressured to make a decision about his future on the ninth season finale. Comedian Patton Oswalt returns as Walden’s ex-business partner, Billy.

Josh gets a part on a TV crime show where he plays the infamous 'Theatre Thug'. Following his TV debut he becomes a public enemy, as a case of mistaken identity gets out of hand.

Kurt hopes to impress vogue.com bigwig Isabelle Klempt and following a makeover, Rachel allows herself to grow closer to Brody. Meanwhile in Lima, it's Blaine versus Brittany as the race for Senior Class President begins.

While Finn hopes to unite the warring New Directions by dividing them into pairs to perform duets, the Dalton Academy Warblers make their presence felt.

Graduation is over but there's so much more in store! Who stays? Who goes? Are Finchel really over? Will Sue ever have that baby?! Of course McKinley High will need some new students, plus, mega-stars Sarah Jessica Parker and Kate Hudson have joined the cast to act as mentors to budding New York stars Rachel and Kurt.