SEASON FINALE! 2x24 The Goodbye Gossip Girl

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 Girl 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. As for the cliffhangers, Blair and Chuck finally... and Serena is shocked by... and Georgina decides to... and Dan, Nate, and Vanessa unknowingly... and it all happens in the series' climactic season finale.

2x24 Valley Girls

In a flashback to the 80s, 17-year-old Lily Rhodes gets kicked out of boarding school and runs away to Los Angeles, to reconnect with her parents, Rick and Cece, and sister, Carol. Back in present day, Blair and Nate attend prom together, but the evening doesn't turn out exactly as planned. Chuck and Serena seem to have a little to do with that. Serena and Lily don't see eye-to-eye over Serena's recent run-in with the law. No Doubt performs in the flashbacks as an 80s band called "Snowed Out."

2x23 The Wrath of Con

Blair pressures Georgina into making amends for her past bad behavior by helping her in a scheme. The rivalry between Nate and Chuck over Blair comes to a head. Lily hatches a secret plan to help Rufus with Dan's college tuition.

2x22 Southern Gentlemen Prefer Blondes

Georgina Sparks returns to the Upper East Side after undergoing a major transformation. Chuck and Nate find themselves at a major crossroads in their relationship as it pertains to their mutual interest in Blair. Serena finds her relationship with Gabriel growing more complicated.

2x21 Seder Anything

Serena returns from her trip to Spain with Poppy and Gabriel. Blair makes a secret deal with Nate’s grandfather, William, and Nate learns some disturbing information about his father’s arrest. Dan takes a job as a cater-waiter to earn money for college, but is distressed when he discovers the gig is a Passover seder at the Waldorf penthouse and several of his friends and family are guests.

2x20 Remains of the J

Serena decides to throw Jenny an intimate party for her sixteenth birthday, but things get way out of control when Poppy Lifton turns the small gathering into a huge social event. In a moment of weakness, Vanessa agrees to help Chuck with a scheme having to do with Blair and Nate. Rufus learns that Dan will not receive financial aid at Yale and tries to figure out another way to cover the cost of his education.

2x19 The Grandfather

Devastated by the recent plot twist in her life, Blair turns her back on her predictable Waldorf existence in favor of a wild lifestyle with Carter by her side. Causing Serena and Chuck to have serious concerns about their friend and team up to take him down. Vanessa convinces Nate that it may be time to forgive and forget when it comes to his mother's Kennedyesque family, The Vanderbilts, who abandoned Nate and his mother when they needed them most, which causes Nate and Vanessa to have problems. In a misguided effort to be completely honest with each other, Lily and Rufus agree to share lists of their past lovers. Nate and Blair have a heart to heart talk changing the way they see each other.

2x18 The Age of Dissonance

*video will be up as soon as possible, please bear with me!*

The Constance Billard and St. Jude seniors put on a production of “The Age of Innocence” and find their personal lives mirroring conflicts in the play. Serena develops a crush on the play’s director Julian, and enlists Vanessa’s knowledge of theater to help her get the otherwise uninterested guy’s attention. Blair receives devastating news about her future that leads her on a witch-hunt for the person responsible. Dan and Rachel agree to stay away from each other in the aftermath of being discovered as more than teacher and student, but find it impossible to keep that promise. Chuck finds Elle and she tricks him by pretending to love him to get out of the country, then tells him to be with someone who actually cares about him. Carter Baizen also returns.

2x17 Carnal Knowledge

In retaliation for not playing by the unspoken rules of Constance Billard, Blair hatches a plan to bring down her teacher, Rachel (guest star Laura Breckenridge), and it's going to be good. After Chuck wakes up half naked on the floor in a hotel room and only has little memory of what happened the previous evening and who he was with, Nate, Serena and Vanessa try to help him fill in the missing pieces of what is turning out to be an increasingly intriguing mystery. Serena thinks Dan is sleeping with Rachel after she sees Dan brushing hair from her face.

2x16 You've Got Yale!

It's that stressful time of year when Constance Billard and St. Jude's students find out who is and isn't worthy of admission to Yale University. Serena bonds with her new Shakespeare teacher, Rachel (guest star Laura Breckenridge), who has no clue the wrath she is about to suffer after giving Blair the first B of her prep school career. Chuck pairs up with an unlikely ally in his war with Jack (guest star Desmond Harrington) over Bass Industries.

2x15 Gone with the Will

With the reading of Bart's will, Chuck, Jack and Lily learn the fate of the Bass empire. Dan's relationship with Serena is tested when Serena, along with everyone at their school find out that they share a half sibling. Blair throws a surprise party for Chuck that goes horribly wrong. Rufus and Lily's relationship is strained as Rufus seeks details about the child he never knew he had.

2x14 In The Realm of the Basses

Because Chuck is MIA since his father's funeral, his Uncle Jack arrives on the Upper East Side to find and help him. Trying to forget her last conversation with Chuck, Blair focuses on being accepted into the most prestigious ladies club in the city, Colony Club. Jenny returns to Constance Billard and immediately takes on Penelope and her posse of mean girls, but no one is going down without a valiant Gossip Girl-worthy fight.

2x13 O Brother, Where Bart Thou?

A sudden and tragic event has an on impact on the lives of our favorite Upper East Side teens and their parents.

2x12 It's a Wonderful Lie

For the annual Snowflake Ball, Blair and Chuck make a bet that they can find the ideal dates for each other but end up dancing with one another in the end. Aaron’s ex-girlfriend, Lexi (guest star Natalie Knepp), expresses an interest in Dan which creates conflicted feelings for Serena. Nate, Jenny and Vanessa get into a tangled situation that puts their friendships and hearts on the line. Lily and Rufus also end up dancing with each other at the Ball, also. But all problems are put on hold when it is discovered that a loved one's life has been claimed.

2x11 The Magnificent Archibalds

Thanksgiving on the Upper East Side. Thanksgiving in the Waldorf household finds Blair upset that her mom's new boyfriend Cyrus, has decided to ruin all her favorite traditions. Lily finds herself trying to broker a peace treaty between Rufus and Jenny, who is prepared to cut off all communication with her father if she doesn't get her way. Serena isn't quite ready to come clean with Aaron about her complicated past, but Dan ends up accidentally revealing a few tidbits of his own. Vanessa and Chuck come to their friend's aid when Nate is once again forced to confront his father's abandonment, as he finally returns from abroad. Vanessa becomes depressed upon hearing that Nate is leaving New York with his father, but she doesn't hear that from Nate himself. Finally, Eric discovers a secret that Bart has been keeping from Lily.

2x10 Bonfire of the Vanity

Blair is against the idea of her mother with Cyrus Rose, a new man in her life, and does everything in her power to make it impossible for them to be together. Jenny and Agnes move in together. Serena and Aaron fall for each other but something about Aaron threatens to ruin their new relationship. Dan and Chuck are at war due to Dan’s true interest in his father Bart Bass. Blair's 18th birthday is also addressed.

2x09 There Might Be Blood

Serena invites Aaron to be her guest at a charity gala honoring Lily and Bart, but after discovering a secret that Aaron has been keeping from her she begins to question whether Aaron is the guy she thought he was. Hoping it will help her chances of getting into Yale, Blair naively agrees to babysit the 15-year-old daughter of a prominent Yale donor, but the teenager proves to be more than a handful and Blair begins to suspect that the evening may actually wind up hurting her chances of getting into the college of her dreams. Meanwhile, Jenny and Agnes plan a guerilla fashion show that will either launch Jenny's stardom or ruin her chances of ever being accepted by the industry.

2x08 Pret-a-Poor-J

Jenny befriends a young model, Agnes, who encourages Jenny to not only explore her wild side, but also confront her boss, Eleanor Waldorf, who is attempting to “borrow” Jenny’s designs. Nate starts being protective of Jenny and they end up kissing at the end, when Nate helps her stop from making a big mistake. Serena and Dan agree to attend an art opening at Rufus’ gallery as friends, but the outing gets a little uncomfortable after Serena meets an artist, Aaron Rose, and realizes they have great chemistry. Blair attempts to seduce Chuck, but it proves tougher than she ever imagined.

2x07 Chuck in Real Life

Vanessa tries to blackmail Blair into being a nicer person, with the pictures of Catherine and Marcus. Blair then seeks revenge by convincing Chuck to try to seduce Vanessa. Lily and Bart throw an extravagant housewarming party and expect their children to make them proud, but Serena does not want to follow the rules. The episode also meets Eric's boyfriend, Jonathan. Meanwhile, Dan and Jenny discover a big secret that Nate has been keeping from his friends.

2x06 New Haven Can Wait

After a fight with Blair, Serena ditches plans to visit Brown and accepts an invitation to visit Yale, the school Blair has always dreamed of attending; a group of Skull and Bones members kidnaps Chuck; Nate and a coed hook up.