Episode 1 | Gone Maybe Gone

Serena has gone missing; Chuck and Blair make a promise to each other about their relationship.

Episode 2 | High Infidelity

Serena hosts a big gala, Blair prepares to debut her new fashion line and Dan must decide if he is willing to sacrifice hisintegrity in order to get his work published.

Episode 3 | Dirty Rotten Scandals

Feeling the pressure to make her first Waldorf Designs fashion show a success, Blair must rely on help from an unlikely source, but some unexpected scheming causes a scandal on the runway. Serena discovers that befriending Steven'...

Episode 4 | Portrait of a Lady Alexander

Chuck's investigation into his father's dealings leads him to an unlikely event with Manhattan's elite; Serena and Steven decide to reveal their romantic histories.

Episode 5 | Monstrous Ball

Eleanor gives Blair an ultimatum; Serena worries about Steven's attitude toward her; Dan publishes another article.

Episode 6 | Where the Vile Things Are

With Ivy's help, Chuck discovers there is evidence incriminating his father and enlists Nate to help retrieve it. Serena volunteersto help Dan, but unexpected emotions arise.

Episode 7 | Save the Last Chance

Serena and Dan decide to make amends with those they have wronged. Chuck is close to getting the evidence he needs against his father, but a close ally reveals his plan.

Episode 8 | It's Really Complicated

What's Thanksgiving without a side of drama? Serena and Dan throw their first Thanksgiving together, but everyone seems to havetheir own agenda.

Episode 9 | The Revengers

After a run-in with Bart, Blair is concerned for Chuck's safety and devises a plan with Serena, Georgina and Sage.

Episode 10 | New York, I Love You XOXO

In a fashionable farewell to remember, our favorite Upper East Siders join forces for one last soiree; The identity of Gossip Girl is finally revealed.