After a tough loss at regionals, the glee club returns as the underdogs of McKinley High; Mr. Schuester pushes the students to recruit new members; Rachel and Finn disagree on new recruits.

When Brittany and the gang try to convince Mr. Schuester to let them do a Britney Spears number, he is reluctant to go that edgy. Meanwhile, an insecure Will is curious about Emma's new beau, Dr. Carl Howell, so he convinces her to bring him in to talk to the kids about dental hygiene. While the dreamy doc inspires the girls to take their dental health more seriously, Will is left feeling worse than before.

Finn has an existential crisis when he believes he sees the face of Jesus in his grilled cheese sandwich. Meanwhile, the rest of the kids rally around Kurt after he has a crisis of his own that leads to a larger discussion among the group about their own theology.

The glee club works on a duet assignment, and Finn and Rachel plan to throw the competition so that Sam can have a shot at winning. Meanwhile, a love triangle between Mike, Tina and Artie develops.

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 the show's timeless tracks.

After Finn and Sam find an unconventional way of controlling their urges, a few glee club members pick up on the strategy and start using it too. But when Coach Beiste gets wind of what they are up to, the glee club has some explaining to do.

When Mr. Schuester gets sick, a substitute teacher takes over his Spanish class and the glee club, and winds up winning over the whole New Directions clan. Meanwhile, when Sue fills in for Principal Figgins as McKinley's top dog, she tries to flex her power on campus.

Sue's "Nazi-hunting" mother, Doris shows up in Lima to check in on her girls. Meanwhile, Kurt makes an important decision after getting pushed to his breaking point, and Rachel and Finn take a big step.

New Directions heads to the big Sectionals competition to go head-to-head against the Warblers and the Hipsters. While trouble brews between some of the young couples, Emma and Carl grow closer.

Finn tries to bring a little holiday cheer to McKinley High, and Artie discovers that Brittany still believes in Santa. Meanwhile, the teachers pick their Secret Santas, and one manipulative coach rigs the gift-giving in her favor.

When the football team continues to harass the male glee club members, Schuester and Beiste decide to force the groups to work together. Meanwhile, Sue comes up with a new cheerleading stunt involving a circus cannon and Brittany and the other girls have to choose whether to put their lives at risk, or join the glee club in a half-time mashup of "Thriller" and "Heads Will Roll."

Love is in the air at McKinley High when the glee club sets up a kissing booth for Valentine's Day. Things don't go as planned, however, and hearts end up getting broken.

Rachel tries to launch a comeback into the McKinley High social stratosphere with a little help from Brittany. Meanwhile, Sam starts a tribute band.

Principal Figgins teaches the student body about the danger of underage drinking, and the glee club is personally touched by the message. Meanwhile, Mr. Schuester and Coach Beiste indulge in a little fun of their own.

When free-spirited substitute teacher Holly Holliday fills in for the absent sex-education teacher, she joins forces with Mr. Schuester to teach the kids of New Directions the facts of life. Meanwhile, Emma heads up the Celibacy Club, and she and Dr. Carl address some issues in their personal life

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.

In the seventeenth episode of the second season (S2Ep17): the club does a noble deed by helping another club at the school to raise funds despite Sues attempts to make the task harder for them. The members sing songs of those artists who they think have not achieved the fame and recognition they really deserve.

Mr. Schuester teaches the glee club a valuable lesson about self-acceptance and embracing what makes you unique. Meanwhile, Lauren and Quinn go toe-to-toe for the prom queen crown, Ms. Pillsbury confronts her obsessive issues, Rachel struggles with a life-altering decision and Santana has something up her sleeve that could permanently alter the glee club dynamic.

episode 19" rumours "Artie wants to help Brittany out by telling her that Santana is up to something but finds it hard to explain things to her, April is back and wants Will to come along with her. The members come to know about some unknown facts about Sam and Sue wants to destroy the club yet again.

When the entertainment for prom falls through, Principal Figgins asks New Directions to perform at the dance - much to prom coordinator Sue's dismay. Things get heated as the competition for prom king and queen draws closer.

New Directions continues to strategize their set list for Nationals with a little help from Jessie St. James. Meanwhile, an unexpected loss rocks the world of one of McKinley's own.

The kids of New Directions travel from Lima to New York City to compete in Nationals. While in the Big Apple, they take in all of the sights from Times Square to Broadway to Central Park.