It's time for Sectionals, and New Directions receives guidance from some of the recent McKinley graduates who volunteer to mentor the glee club during their Thanksgiving breaks. Meanwhile, Rachel and Kurt have a non-traditional holiday dinner in the Big Apple.

The New Directions tackle an assignment, meaning the songs as well as groups that everyone is too embarrassed to admit that they love.

The members of New Directions tackle their assignment of getting out of their comfort zones and determining whether they're more like "Katy" (Perry) or (Lady) "Gaga." Kurt holds auditions for his new band and must decide if he'll let in the overly bold performer, Starchild. Meanwhile, Jake gets closer to Bree as he and Marley grow apart.

Blaine suffers a crisis of confidence after gaining the dreaded “Freshman Fifteen.” Artie discovers that his newfound success with the ladies comes at a price. Mercedes tells Sam she’s still a virgin.