It is Graduation day at McKinley High and bittersweet time for The New Directions.
The New Directions travel all the way to Chicago to compete in the 2012 Nationals. The Judges turn out to be celebrities Lindsay Lohan and Perez Hilton.
It is opposite day for the New Directions after Tina bumps her head; Her injury leads everything to be all switched up; the gang still must rehearse for the Nationals.
Brittany as class president begins to set up the senior prom; she settles on a Dinosaur theme for the evening; The hunt begins for the prom king and queen; troublemakers have their own plans for prom night.
Kurt and Rachel get ready for their NYADA audition but are scared when they find they will be performing for the school's dean; Puck makes a life decision when his father shows up in a Lima; Sue and Roz help Coach Beiste when she reveals a deep secret.
The big glee tribute to Diva Whitney Houston commences; Will and Emma get excited for their wedding.
The crew does a big disco tribute to Saturday Night Fever while also learning some important lessons along the way.
Blaine's older brother Cooper (guest star Matt Bomer), visits Lima and gives a class to the New Directions. The Glee Club does senior ditch day at Six Flags. Quinn's fate is revealed.
As New Directions gears up for sectionals, Sebastian tries to undermine their win. Karofsky makes a terrible decision and Sue proves she really can do anything.
New Directions are tasked with performing the great love songs of our time to celebrate Valentine's Day. Meanwhile, on news of Rachel and Finn's engagement, Rachel's two dads (played by Jeff Goldblum and Brian Stokes Mitchell), show up at McKinley High to congratulate the lovebirds.
McKinley High's night school teacher comes on board to help Will with his latest singing assignment: music in Spanish. Guest star Ricky Martin joins New Directions for a Latin themed episode. Meanwhile, news of Rachel and Finn's engagement starts to spread, and Mercedes finds her in the middle of a complicated romantic relationship.moreless
It's New Directions vs The Warblers as Glee celebrates the music of Michael Jackson in this tribute episode that sees the two groups face off en route to Regionals.
Will wants to propose to Emma. Sam joins the McKinley Synchronized Swim Team to win back Mercedes. Becky has a crush on Artie and Finn learns more about his father.
Artie and glee club make a PBS special for Christmas but lose sight of its true meaning by skipping out on an opportunity to help out the homeless for the holidays.
Sectionals arrive and the New Directions face the Trouble Tones and one other group. The New Directions are short handed and need to find members. Rachel and Finn try to get Sam to come back, and Tina defends Mike's dreams.
Finn tries to help Santana feel better about herself, while she faces the challenge of coming out to her family. Puck tries to seduce Shelby and Quinn tries to seduce him.Meanwhile, the voting for Senior Class President and the Congress seat occur, and Sue complicates Beiste's relationship.
Sue starts a dirty campaign against Burt and the competition between New Directions and the Trouble Tones gets nasty.
Mike's future in New Directions is challenged after his parents ask him to drop out because he received an A- (the Asian F) on an exam. In other news, the auditions are heating up for the musical, West Side Story, and Will wonders why Emma doesn't want him to meet her parents who are in town visiting.moreless
New Directions faces a shake up when Shelby Corcoran (special guest star Idina Menzel) comes to McKinley High and Rachel has to deal with the return of her biological mother. Meanwhile, Kurt starts his run for class president with the special help of Brittany.
The third season kicks off with Will assigning the glee clubbers a new project which will help them get back on track after losing at nationals last year. Sue sets off a new project as well: running for office in a congressional campaign with a focus on getting arts out of schools.moreless