Watch Glee’s Darren Criss Move Over to the ‘Dark Side’ with Grant Gustin and Nolan Gerard Funk

Bad news Gleeks: Blaine (Darren Criss) may be heading over to the dark side. In Glee’s November 22 episode Blaine returns to his former Dalton Academy stomping ground, where he receives a tempting offer from the new head Warbler (played by Broadway alum Nolan Gerard Funk). The Warblers look eager to recruit Blaine back to their group, but can he say farewell to New Directions so easily? In a clip from the upcoming episode Blaine contemplates the decision as he slips back into his Warblers uniform to perform a rocking rendition of the Kelly Clarkson tune “Dark Side.” Click below to check out the number, and tune into Glee to find out Blaine's final decision!