Episode 1 | Pilot

The privileged prep school teens learn that Serena van der Woodsen is back in town.

Episode 2 | The Wild Brunch

In the wake of the scandalous Kiss on the Lips party, Serena receives an icy cold reception from Blair.

Episode 3 | Poison Ivy

Blair uncovers scandalous information about Serena; Dan sets his sights on impressing the Dartmouth representative.

Episode 4 | Bad News Blair

Blair is thrilled when her mother, Eleanor, chooses her to be the new face of her clothing line; Serena and Dan are reminded once again that they come from two very different worlds; Nate and Chuck indulge in a boys' weekend to bl...

Episode 5 | Dare Devil

Dan makes elaborate plans to impress Serena on their first official date; Jenny is invited to the infamous Blair Waldorf sleepover and finds herself in a high-stakes game of truth or dare; Lily discovers Eric missing from his trea...

Episode 6 | The Handmaiden's Tale

Dan is torn between two girls when his childhood friend Vanessa returns home and declares her feelings for him

Episode 7 | Victor/Victrola

Serena and Dan finally acknowledge they are crazy about each other; Jenny discovers a secret about her parents; Blair is once again devastated by Nate's actions.

Episode 8 | Seventeen Candles

Blair puts on a happy face for her 17th birthday party and attempts to hide the truth from her friends.

Episode 9 | Blair Waldorf Must Pie!

When Dan finds out that Serena and her family are celebrating Thanksgiving alone, he naively invites them to spend the holiday with his family.

Episode 10 | Hi, Society

As 'Gossip Girl' posts news of the annual Cotillion Ball to take place on the approaching weekend, Blair decides not to go with Nate, but she finds herself being featured in The New York Times and is enjoying her secret affair wit...

Episode 11 | Roman Holiday

Blair's father comes home for the holidays with an unexpected guest; Jenny and Vanessa help Serena plan the best Christmas surprise ever for Dan.

Episode 12 | School Lies

The gang breaks into the school swimming pool, but when one of them nearly drowns, the school threatens to expel the ones who broke-in.

Episode 13 | A Thin Line Between Chuck and Nate

Gossip Girl takes pleasure in reporting that Serena has been spotted buying a pregnancy test, and word spreads like wildfire.

Episode 14 | The Blair Bitch Project

Blair returns to school after losing Queen Bee status; Serena's not fond of living with her future stepbrother, Chuck.

Episode 15 | Desperately Seeking Serena

Serena's world is turned upside down when her former partner in crime, Georgina Sparks, returns to Manhattan to stir up trouble.

Episode 16 | All About My Brother

Blair and Jenny escalate their "popularity war" by spreading scandalous rumors about each other through Gossip Girl.

Episode 17 | Woman on the Verge

Georgina reveals the true reason that Serena fled Manhattan for boarding school, and Serena quickly falls back into her old habits.

Episode 18 | Much 'I Do' About Nothing

With Serena's reputation on the line, Blair takes matters into her own hands to deal with manipulative Georgina.