1. Yes, Then Zero

Serena loves her new job in Hollywood but makes a costly misstep when she tries ... Mas Marami

2. Beauty and the Feast

Diana has an exciting prospect for Nate.

3. The Jewel of Denial

Nate must decide whether to cross moral lines.

4. Memoirs of an Invisible Dan

Dan decides to reveal his book to his friends and family.

5. The Fasting and the Furious

Serena must choose her job or her relationship with Dan.

6. I Am Number Nine

Blair auditions her potential bridesmaids.

7. The Big Sleep No More

Several Upper East Siders attend a performance of Punchdrunk's provocative theat... Mas Marami

8. All the Pretty Sources

Serena plans a dream bridal shower for Blair.

9. Rhodes to Perdition

Lily, Charlie and Serena eagerly anticipate the Studio 54 party being thrown in ... Mas Marami

10. Riding in Town Cars With Boys

Lily officially introduces Charlie to New York society.

11. The End of the Affair?

Blair reveals to Serena what happened after the car crash.

12. Father and the Bride

Blair's bachelorette party!

13. G.G.

Will the royal wedding be a disaster?

14. The Backup Dan

Blair must make a difficult decision about her future.

15. Crazy, Cupid, Love

Nate throws a Valentine's Day party.

16. Cross Rhodes

Dan's book is showcased by Upright Citizen's Brigade.

17. The Princess Dowry

William van der Woodsen returns to town.

18. Con Heir

Ivy finds an unlikely ally in William.

19. It Girl, Interrupted

Serena tries to make Lola the next It Girl.

20. Salon of the Dead

Blair and Dan host a glamorous British-themed Salon.

21. Despicable B

Nate digs into Diana's past.

22. Raiders of the Lost Art

Chuck, Nate, Blair, Serena and Lola team up.

23. The Fugitives

Serena poses as Blair at an important meeting.

24. The Return of the Ring

Blair chooses between Chuck and Dan.