Season 6, Episode 9

1. Gone Maybe Gone

Serena has gone missing.

2. High Infidelity

Serena hosts a gala to prove herself in adult society.

3. Dirty Rotten Scandals

Blair relies on help from an unlikely source.

4. Portrait of a Lady Alexander

Georgina urges Dan to choose a date.

5. Monstrous Ball

Eleanor gives Blair an ultimatum.

6. Where the Vile Things Are

Unexpected emotions arise as Serena volunteers to help Dan.

7. Save the Last Chance

A close ally reveals Chuck's plan to bring down his father.

8. It's Really Complicated

Serena and Dan throw their first Thanksgiving together.

9. The Revengers

Blair is concerned for Chuck's safety and devises a plan.

10. New York, I Love You, XOXO

Gossip Girl's identity is finally revealed.