Gossip Girl

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

In the wake of a party, Serena receives an ice-cold reception from her best friend.

Blair uncovers information about Serena that may not remain a secret much longer.

Blair is thrilled when her mother chooses her to be the new face of her clothing line.

Dan makes elaborate plans to impress Serena on their first official date.

Dan is torn between two girls when his childhood friend Vanessa returns home.

Serena and Dan finally acknowledge that they are crazy about each other.

Blair puts on a happy face for her 17th birthday party.

Dan naively invites Serena and her family to celebrate Thanksgiving with his family.

Serena has no intention of attending the Ball until it's announced that Serena must attend.

Blair's father comes home for the holidays with his boyfriend.

The gang breaks into the school swimming pool for an impromptu night of fun.

Gossip Girl reports that Serena van der Woodsen has been spotted buying a pregnancy test.

Blair returns to school after losing her Queen Bee status.

Serena's world is turned around when her former partner in crime, Georgi na Sparks (MICHELLE TRACHTENBERG - "Buffy the Vampire Slayer"), returns to Manhattan to stir up trouble.

Blair and Jenny escalate their "popularity war" by spreading scandalous rumors about each other through Gossip Girl. One of the Upper East Side teens reveals that he's gay.

Georgina (recurring guest star MICHELLE TRACHTENBERG) reveals the true r eason that Serena fled Manhattan for boarding school, and Serena quickly falls back into her old habits.

With Serena's reputation on the line, Blair takes matters into her own h ands to deal with manipulative Georgina (recurring guest star MICHELLE TRACHTENBERG). Lily thinks of Rufus.