While Kurt tries out for the football team (taking a page from the glee playbook with him), Rachel storms out of glee practice when Will gives a plum part to Tina. Meanwhile, Sue comes up with a new plot to boost her program at glee's expense; and Quinn has news for Finn.

Inspired the by the students, Will composes a mash-up for a very special occasion. Meanwhile, in a shocking reversal of roles, McKinley High’s cool kids are dethroned in an “icy” fashion, and Sue shows off her softer side.

When the Glee Club is left out of the yearbook because of budget cuts, everyone seems to be relieved that they won’t have to suffer the ridicule of years past. Everyone except Rachel, that is, who wants her legacy cemented in print. Meanwhile, Quinn makes it her mission to be in the Cheerios yearbook photo, and Will and Terri’s relationship is shaken to its core.

Sectionals is finally here for the Glee Club, but when Quinn’s secret unravels, the club may not be able to recover in time to compete. Meanwhile, Sue’s scheming hits an all-time high, and with Emma and Ken’s marriage looming, Will makes a decision that could change his life forever.

The moment New Directions has been waiting for has finally arrived: it’s time for Regionals! But when Sue pulls a fast one on Will and the glee clubbers, their chances at the title could be compromised. Meanwhile, Quinn’s life changes forever.

Will decides to have the glee club perform “The Rocky Horror Show” for the annual school musical after learning of Emma’s newfound love for the cult classic. Despite Sue’s usual scheming, the members of New Directions inject their distinctive style to such timeless tracks as “The Time Warp” and “Damn It, Janet.”

It's all about wedding and parents with Kurt getting ready for his father Burt's upcoming marriage to Finn's mom Carole, Sue decides to compete by getting married as well which will lead to the introduction of an awesome guest star: Carol Burnett. Carol will play Sue's Nazi-hunting mother Doris, who comes to visit Sue in Ohio.

With Sue Sylvester coaching Aural Intensity, Blaine and the Warblers’ dynamic set list and tough judges Tammy Jean Albertson and Sister Mary Constance, the kids of New Directions decide the only way to win Regionals is to write and perform their own original songs. Meanwhile, Quinn is hell-bent on getting Finn back and ruling McKinley once again.

The glee club agrees to help raise funds for another under-the-radar group; big decisions are made and relationships are tested.

The glee kids are down in the dumps following their disappointing showing at Nationals, so Will assigns them a project to get them back on track. Meanwhile, Ms. Sylvester wants to go to Washington: Sue's running for Congress.

Irish exchange student Rory Flanagan arrives at McKinley High. He is living at Brittany's house, and she thinks he's a leprechaun. Mercedes starts recruiting for Shelby's new glee club, and Sue's run for congress picks up steam.

New Directions produces a sexy calendar to raise money for their trip to Regionals. Rachel is faced with a personal dilemma when she’s cast in a student film. Finn and Sue go toe-to-toe.

The glee club learns the dance of the hour: twerking. Meanwhile, Marley discovers Jake's relationship with Bree, and Rachel tries to convince Kurt they both should get tattoos.

The gang must rally an uncharacteristically insecure Rachel in time to make her Broadway debut in Funny Girl… but not everyone in the audience is wishing Rachel the best.

Dalton Academy burns to the ground, and the Warblers must combine with the New Directions to form a super group. Meanwhile, Rachel begs Carmen Tibideaux to let her return to NYADA.

New Directions and the Warblers go head-to-head at sectionals. Meanwhile, Rachel must choose between returning to NYADA and doing another Broadway show with her past love, Jesse St. James.