The glee kids square off against the Dalton Academy Warblers at Regionals.

Will has a Valentine’s Day challenge for the glee kids: find and perform the world’s greatest love songs. Meanwhile, Rachel’s two dads, Hiram (Jeff Goldblum) and LeRoy Berry (Brian Stokes Mitchell), visit McKinley High

Will assigns the glee kids a Spanish singing assignment and enlists the help of his musically inclined night-school teacher (Ricky Martin). Meanwhile, Rachel tells Kurt and Mercedes about Finn’s proposal; and Mercedes has romantic complications of her own

The New Directions-Warblers rivalry heats up (with Michael Jackson music on the soundtrack) as Regionals near; Kurt and Rachel hear about their applications to the New York Academy of Dramatic Arts; and things between Sam and Mercedes get hotter

Will enlists the glee kids to help him surprise Emma (and sweep her off her feet). Meanwhile, Becky sets her sights on Artie; and Finn makes a surprising announcement about his post-high-school plans.

As the holidays approach, New Directions is asked to go in two directions at once: The glee kids have been invited to two events scheduled for the same time.

As McKinley High prepares to host sectionals, Finn tracks down Sam (Chord Overstreet) and persuades him to rejoin the glee club in an effort to beef it up. Meanwhile, Tina comes to Mike’s defense and encourages him to pursue his dream

Someone is caught trying to fix the election for student-council president. Meanwhile, Coach Beiste screws up the courage to challenge Sue; and Puck and Quinn’s relationship gets complicated.

Sue starts a smear campaign to take down her biggest foe for the congressional seat. Meanwhile, Puck has a crush; and Will and Shelby Corcoran encourage some friendly competition.

The glee kids rehearse their production of “West Side Story” under Artie’s direction. Meanwhile, Finn meets with a recruiter; and Coach Beiste has an admirer