After Rachel's humiliating failure as TV actress, she comes home to Lima to figure out what she wants to do next. Upon discovering that Sue has banished the arts at McKinley, Rachel takes it upon herself to reinstate and lead the Glee Club. Meanwhile, Blaine, no longer in a relationship with Kurt, has moved home to coach the Warblers while Will is coaching rival Vocal Adrenaline, and Sam is the assistant coach for the McKinley football team.
Puck, Quinn, Santana, Mercedes, Brittany, Artie and Tina all return to McKinley for Homecoming and help Rachel and Kurt recruit for the new glee club.
Rachel and Kurt struggle as they try to rebuild and co-direct the glee club at McKinley. Meanwhile, Sue is concerned when Becky brings her new boyfriend to town.
Rachel hopes to form a deal in which Will's glee club purposefully underperforms at their invitational; Sue wants Sam to distract Rachel.
Rachel and Kurt redouble their efforts to recruit new members to New Directions after new rules are announced for the Show Choir Invitational. Sue enacts an elaborate plan to try reunite Kurt and Blaine. Will and Rachel have a much needed heart-to-heart.
Brittany and Santana plan their wedding. The Gleeks weekly assignment is the music of Burt Bacharach, and reigning diva Mercedes is recruited to act as a mentor for the new singers. Brittany learns a shocking family secret.
A new job forces Will to take a hard look at the choices he’s made. Rachel must come to terms with the fact her family home has finally been sold. Coach Beiste, returns to McKinley and the romantic tension that has been brewing between Sam and Rachel finally boils over.
The members of New Directions are busy at work planning, planning and planning, while Sue encourages everyone to follow their hearts.
The members of New Directions must come together to prepare for their first public performance at a high-strung tween's bar mitzvah.
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.
GLEE goes back in time to see why the original members of New Directions signed up for glee club in the first place.
All of Will’s hard work and dedication to the Glee Club and to fostering the talents and dreams of his students pays off in a major way, and everyone shares in the feeling of joy that permeates the school as teachers and students reflect on their shared journey. Old rifts and wounds are healed and new sights are set on a promising future. Everyone seems to be ending up exactly as expected and right where they belong… along with more than a few unexpected surprises.
The members of New Directions are back in action and take on their biggest assignment yet: the Beatles! As Will enlists the kids to pay homage to the classic song catalog from the Fab Four, Blaine and Kurt attempt to answer questions about their future together. Meanwhile, Rachel's New York ambitions take an unexpected turn.
As the Prom approaches, the race for Prom Queen brings out the best and the worst in candidates Tina and Kitty. Meanwhile, Sam tries to make a connection with a new school nurse, an increasingly discouraged Rachel waits for word on her Funny Girl callback, and Santana makes a new friend at work.
The McKinley gang celebrate the life of former quarterback and New Directions member Finn Hudson. The episode mirrors the real-life death of actor Cory Monteith (1982-2013), who played Finn.
The members of New Directions tackle their assignment of getting out of their comfort zones and determining whether they're more like "Katy" or "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.
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.
While New Directions takes on the music of Billy Joel, Kurt and Blaine reunite in New York. Meanwhile, Sam makes plans about his future.
Blaine believes he has the best plan to win Nationals, but he doesn't take the glee club's criticism too well when the students accuse him of being too controlling. Over in New York, Kurt also runs into control issues when the band disagrees over the venue of their first official gig that Kurt booked. Meanwhile, Sue reveals the story behind her iconic tracksuit and gets in touch with her feminine side.
Sue Sylvester introduces the episode as a Christmas special that FOX did not allow to air from last year. The members of New Directions audition for roles in McKinley's living Nativity Scene. Meanwhile in New York, Rachel, Kurt and Santana work as Santa's elves at a mall.
Santana auditions and snags the role of Rachel’s understudy in “Funny Girl,” causing a feud between the roommates. Meanwhile, back in Lima, Tina and Artie compete against each other to be the class valedictorian.
As graduation approaches, Tina, Blaine and Sam band together to hold a senior "lock-in" at school, hoping to savor their last chance at hanging out together. But their plans are thwarted when Becky joins unexpectedly. Meanwhile, in New York, Elliot is stuck in the middle between Rachel and Santana's feud.
Dedicating their performance to Finn’s memory, New Directions arrive in Los Angeles to take part in the National High School Show Choir Championship, and face off against “Throat Explosion”, their fiercest competition to date.
The original members of New Directions reunite at McKinley to celebrate and reflect on the history of the seemingly doomed glee club.
As the fate of the glee club becomes a reality, April and Holly plot a plan to save New Directions. Meanwhile, Rachel and Santana attempt to make amends after their blowout fight.
Glee-club alumni members are followed in New York City several months after leaving New Directions: Blaine and Sam move in with Kurt; Artie struggles to get around Manhattan; Rachel settles into the life of a Broadway star; and Mercedes moves to NYC to work on her album.
Rachel is faced with a decision that pits her education against her career. Sam and Mercedes consider rekindling their romance. Kurt comes face-to-face with a hate-crime.
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.
Rachel is presented with a unique opportunity which could either take her career to the next level, or possibly kill it entirely. Meanwhile, Mercedes asks for Santana’s help finding a “new sound” for her latest single, and a wealthy New York socialite takes Blaine under her wing.
Santana helps Rachel do damage control for her flagging public image; Kurt tries to help a home for retired Broadway performers with their production of Peter Pan; to prove he is responsible, Sam adopts a dog - despite Mercedes’ objections.
Rachel meets a famous television writer, whose eccentric personality catches Rachel off guard. Meanwhile, Sam and Mercedes deal with the pressure of commitment as their careers take off, and the time has finally come for Blaine’s big showcase with June Dolloway at NYADA.
The relationships of four of the couples are tested – Will and Emma, Rachel and Finn, Kurt and Blaine, and Santana and Brittany but only one of them will survive.
The McKinley High production of "Grease" is being cast, and Artie recruits McKinley graduates Mercedes and Mike to help out with auditions. Competitors for the lead role of Danny include Jake and football player Ryder Lynn, while Marley and cheerleader Kitty are rivals for Sandy, the female lead. Will also has a big decision to make.
The McKinley High production of "Grease" opens, and Santana returns to help out. Rachel has another run-in with Cassandra, her dance instructor; and Kurt and Rachel visit Lima. Finn becomes the interim Glee Club Director.
As their trophy from winning Nationals is being stolen – the New Directions start to think of what superheroes would do. As a conclusion, this weeks assignment is "Dynamic Duets". Romantic tension builds between Marley and two of the glee club's males, Jake and Ryder. Blaine checks in on the Warblers.
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 break. Meanwhile, Rachel and Kurt have a non-traditional holiday dinner in the Big Apple.
Finn thinks about his future with the glee club after sectionals are over. Elsewhere, Rachel gets ready for NYADA's winter showcase; and Kurt gets a second chance at an audition.
A tribute to the film "Love, Actually" with five different storylines all dealing with the holidays. Sam and Brittany live as if it's the end of the world as the Mayans know it. The Puckermans, including half-brothers Puck and Jake and their mothers, come together for Chanukah. Artie suffers a head injury in which he slips on ice and has an epiphany through a dream sequence. He wonders what may have happened if he was never in a wheelchair and glee club never formed. His black-and-white vision has Rory as his guardian angel, reminding him of who he was to the glee club. Kurt spends Christmas with Blaine and his father in New York, whilst discovering his father has prostate cancer. Sue struggles to get a Secret Santa present for Marley's mother, Millie, but has a change of heart after seeing Marley and Millie struggle.
McKinley’s Sadie Hawkins dance offers several gleeks a rare chance to feel empowered. Sam and Blaine investigate a possible cheating scandal at sectionals. Kurt makes a new friend at NYADA.
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.
Finn encourages the glee-club members to channel their inner divas. Elsewhere, Rachel's arrogance causes Kurt to reach a breaking point; and Emma throws herself into wedding preparations.
Will and Emma get ready for their Valentine's Day wedding with the help of past and present New Directions members.
The kids of New Directions go head-to-head in their annual boys vs. girls mash-up competition; this time using the music of the movies. Meanwhile in New York, Santana makes herself at home in the loft a little too quickly for Rachel and Kurt's comfort.
Open with the kids addressing the recent awkwardness between Will and Finn. And the two Glee leaders are given an assignment: the two must perform a song together using the theme of feuds. Blaine and Sue will have a sing-off, while Ryder has a scary story coming.
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 are prepping for regionals, but when an unthinkable event occurs at McKinley High, perspectives are put into order.
When Mr. Schuester comes up with the setlist for regionals, the New Directions are not pleased, Rachel sings an unexpected song for her "Funny Girl audition", and Marley writes an original song.
When the power goes out at McKinley High, Will and Finn enlist the members of New Directions to "unplug" and perform acoustic numbers. Meanwhile, Isabelle Wright asks Kurt to volunteer at the Vogue.com charity event, with Rachel and Santana in tow.
The members of New Directions take on the greatest hits of music icon Stevie Wonder. Meanwhile, Artie receives news that could affect his future and his mom. In New York, Rachel prepares for her "Funny Girl" callback.
It's finally time for Regionals, and the glee club is more determined than ever to advance to Nationals. Brittany returns from her MIT trip with a new attitude and Ryder finally has a lead on who is "catfishing" him.
Rachel begins school at NYADA, where she meets junior Brody Weston (Dean Geyer) and starts classes with a tough dance instructor, Cassandra July (Kate Hudson). At McKinley High, the rebuilding of New Directions begins and Wade "Unique" Adams (Alex Newell) transfers to join the group. Kurt aids director Will Schuester in finding potential recruits, who include Marley Rose (Melissa Benoist) and Puck's half brother Jake (Jacob Artist).
Brittany is depressed, and turns to her namesake Britney Spears for inspiration. Rachel continues to struggle in adjusting to life at NYADA and in New York, but gets help from new friend and classmate Brody. Puck meets Jake for the first time, when Will calls him.
Kurt gets an internship in New York at Vogue.com, working for Isabelle Wright (Sarah Jessica Parker). At McKinley High, Blaine runs against Brittany for president and wins. Rachel starts to warm up to her new classmate Brody inviting him to her and Kurt's apartment, but Finn shows up unexpectedly.
Much to Blaine's chagrin, his big-shot Hollywood actor brother, Cooper, comes to visit.
The Glee Club does disco in a tribute to Saturday Night Fever.
The glee club pays homage to a true icon when they cover Whitney Houston's greatest hits. Meanwhile, Emma and Will are one step closer to their dream wedding.
Rachel and Kurt finally get their chance to audition for the New York Academy of the Dramatic Arts. Meanwhile, Puck makes a decision about his future after a meeting with his father.
Brittany goes into high gear as class president to spearhead the prom. Then, after prom king and queen nominations are announced, the kids kick into campaign mode, and some of the outcasts organize a rival celebration.
Tina's head injury from falling into a fountain leaves her seeing her fellow singers and other people at McKinley High in a new way as rehearsals continue for the glee club's Nationals performance.
The glee club travels to Chicago, to compete in Nationals against the best show choirs in the country, including Vocal Adrenaline, for celebrity judges including Lindsay Lohan and Perez Hilton.
The William McKinley High School class of 2012 graduates, and the glee club bids farewell to its graduating seniors.