When a sore throat affects Rachel's singing voice, she goes into panic mode. Meanwhile, Kurt tries to change his persona to impress his father, and Puck makes a strategic move to elevate his social status.

Finn has an existential crisis when he believes he sees the face of Jesus in his grilled cheese sandwich. Meanwhile, the rest of the kids rally around Kurt after he has a crisis of his own that leads to a larger discussion among the group about their own theology.

It's Christmas time at McKinley High and Finn tries to get everyone in the holiday spirit; Brittany needs no help because she still believes in Santa Claus. In other news, Sue scams the teacher's Secret Santa

The glee club learns about self-acceptance through the music of Lady Gaga; Lauren and Quinn compete for prom queen; Ms. Pillsbury faces with her issues; Rachel makes a life-changing decision; Santana schemes.

Emma gets a visit from her parents; Mike Chang's parents get involved when his grades aren't up to their standards.

In a special episode celebrating the music of Michael Jackson, the rivalry between New Directions and the Warblers intensifies en route to Regionals. Meanwhile, Kurt and Rachel receive news regarding their admissions process at NYADA, and things continue to heat up between Sam and Mercedes.

Brittany hopes the music of Britney Spears will get her out of a funk; a new friend helps Rachel adjust to life in New York.

Rachel and Kurt are caught off-guard when they get unexpected visits in New York City. Meanwhile, Santana and Brittany deal with the long distance between them, and Will and Emma disagree on a new job offer.