Optimistic high school teacher Will Schuester tries to refuel his own passion while reinventing the McKinley High School’s glee club and challenging a group of outcasts to realize their star potential. Going up against McKinley’s cruel high school caste system and facing harsh criticism from everyone around him, Will is determined to prove them all wrong.
Adrianna and Navid are forced to make an impromptu exit from the prom when Adrianna goes into labor. Dixon confronts Ethan about Silver when he notices that Ethan might be developing feelings for his girlfriend. Meanwhile, Annie reaches the breaking point when Naomi accuses her of trying to hook up with Liam, and some of her peers (still angry about the after party fiasco) decide to take both verbal and physical action against her.
Tommy and Janet attempt to survive a weekend together at Katy's new prep school. Meanwhile, Lou sees Tommy's absence as a way to move in on Genevieve. Teddy and Maggie receive vulgar propositions and Sean's stomach pain acts up at an inopportune moment.
The great warriors of history are examined for fantasy combat simulations.
Lisbon fears that the serial killer Red John is drawing Patrick Jane into a trap when the CBI team investigates the murder of a young girl and the abduction of her twin sister.
The team searches for a man who goes missing after a late night dive and try to zero in on who could be responsible for his disappearance. Meanwhile, Danny and Elena take their relationship to another level.
Sam gets into a confrontation in his new job that ends badly. Sock tries to date a demon who has the ability to be anything he desires.
Abby is excited that her cousin, Veronica, is coming to the barnyard for a visit, but it turns out Veronica, despite appearing to be nice on the outside, is actually using her beauty to manipulate the animals into doing things to please her.
Gina and Paul clash when it's suggested that she's not personally invested in her patients.
Ignoring Paul's and Oliver's objections, Luke and Bess come up with a plan that will alter their family structure and dynamics.
Spencer has an important question to ask Heidi's father when he comes for a visit. Meanwhile, Lauren make the decision to fire Stephanie from People's Revolution.
Moz is a drug dealer and has very strange clientele who come and go from his flat.
Presented with the evidence of Olivia's actions, President Allison Taylor is forced to make a decision between her family and the Presidency. Thanks to Kim Bauer, Janis, Renee and Chloe are able to save Jack and arrest Tony before he can kill Alan Wilson. With Wilson refusing to talk and Jack about to die, the fight is no longer in the field, it's for the hearts and souls of Jack and Renee.
Jack Bauer is forced to help Tony escape from custody, only to find Tony plans to use Jack to reconstitute the pathogen. Aaron Pierce and Ethan Kanin work together and discover Olivia's role in Hodges' murder. Kim Bauer takes down her captors, and works with Renee Walker to find her father.
Horatio fights to save Yelina and when Delko goes against Calleigh's plea and helps his dangerous father, his life is put in jeopardy.
Gossip Girl decides to liven things up at the Constance Billard and St. Jude’s graduation by sending out a shocking and damaging email blast in the midst of the commencement ceremony, stirring Serena to come up with a plan of attack. The Mean Girls challenge Jenny to throw her hat in the ring to succeed Blair as Queen Bee next year. Lily and Rufus struggle to repair their relationship after Lily’s betrayal. As for the cliffhangers, Blair and Chuck finally… and Serena is shocked by… and Georgina decides to… and Dan, Nate, and Vanessa unknowingly…. Jenny and Eric do something they might end up regretting.
Charlie starts to question his relationship with Chelsea when he hears that Mia is back in town. Meanwhile, Judith goes into labor and Charlie, Alan and Herb rush her to the hospital, on the sixth season finale.
Tree Hill bids goodbye to the past while anticipating the future: Lucas and Peyton prepare for the birth of their child with the help of a surprise visitor, Dan nears his end, and Brooke works with Victoria to relaunch Clothes Over Bro's. Meanwhile, Nathan returns to Tree Hill to face Haley and Jamie after being released from the Chiefs.