Finn tries to rally the rival show-choirs behind one of their own; Sue’s bid for political office causes heartbreak for another teacher; and the student body elections turn scandalous.

The Glee Club does disco in a tribute to Saturday Night Fever.

A tribute to the film "Love, Actually" with different storylines all dealing with the holidays. Sam and Brittany live as if it's the end of the world as the Mayans know it. The Puckermans, including half-brothers Puck and Jake and their mothers, come together for Hanukkah. Artie has an epiphany through a dream sequence. Kurt has an unforgettable Christmas.

The members of New Directions are prepping for regionals, but when an unthinkable event occurs at McKinley High, perspectives are put into order.

Blaine believes he has the best plan to win nationals, but the other club members think he's too controlling; members of Kurt's band disagree over the venue of their first gig; Sue gets in touch with her feminine side.

Rachel meets a famous television writer, whose eccentric personality catches Rachel off guard. Meanwhile, Sam and Mercedes deal with the pressure of commitment as their careers take off, and the time has finally come for Blaine’s big showcase with June Dolloway at NYADA.

A new job forces Will to take a hard look at the choices he’s made. Rachel must come to terms with the fact her family home has finally been sold. Coach Beiste, returns to McKinley and the romantic tension that has been brewing between Sam and Rachel finally boils over.