Episode 1
Aired Sep 26, 2011
Yes, Then Zero
Serena makes a mistake at work; Chuck, Nate and Serena attend a party in the Hollywood Hills; Blair and Louis hit a snag while planning their wedding; Dan gets help trying to stop a magazine from publishing an excerpt from his book.
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Episode 2
Aired Oct 3, 2011
Beauty and the Feast
After reconnecting with Diana (Elizabeth Hurley), Nate receives an exciting opportunity; Serena forces Charlie to make a decision; Blair's future sister-in-law visits.
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Episode 3
Aired Oct 10, 2011
The Jewel of Denial
Diana (Elizabeth Hurley) asks Nate to cross moral lines; Chuck tries to help Dan accept his fate; Serena returns to the Upper East Side.
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Episode 4
Aired Oct 17, 2011
Memoirs of an Invisible Dan
Dan brings Serena, Blair, Nate, Chuck, Rufus and Lily together to talk about his book; Louis reads Dan's book; Diana uses information about one of Nate's friends to her advantage.
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Episode 5
Aired Oct 24, 2011
The Fasting and the Furious
While celebrating Yom Kippur, Blair and Louis wind up in a power struggle with his family; Serena is put in an awkward position by her boss (Michael Michele); Diana expects Nate to remedy an unfortunate situation.
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Episode 6
Aired Nov 7, 2011
I Am Number Nine
Blair's former minions and Charlie compete for a spot in the royal bridal party; Nate tries to make Diana (Elizabeth Hurley) jealous; Serena's boss (Michael Michele) remains determined to obtain the film rights to Dan's book.
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Episode 7
Aired Nov 14, 2011
The Big Sleep No More
A provocative theater performance results in surprising romantic twists; Diana targets Serena; Dan's book tour leads to misunderstandings with friends and family.
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Episode 8
Aired Nov 21, 2011
All the Pretty Sources
Serena hosts a wedding shower for Blair; disappointed that they didn't get invited to Blair's party, Chuck and Dan plan a day together; Nate feels conflicted after making a discovery.
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Episode 9
Aired Nov 28, 2011
Rhodes to Perdition
Lily, Serena and Charlie eagerly anticipate a Studio 54 party thrown in honor of CeCe; Nate's first big story at the Spectator involves someone he is very familiar with; Blair seeks help from an unexpected source.
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Episode 10
Aired Dec 5, 2011
Riding in Town Cars With Boys
Lily throws a party for Charlie; Charlie's ex interferes with her future; Dan decides to tell Blair how he feels.
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Episode 11
Aired Jan 16, 2012
The End of the Affair?
Blair reveals what happened in the aftermath of her car accident with Chuck; Nate uncovers information about the accident that indicates foul play; Lily hires a private detective to track down Charlie.
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Episode 12
Aired Jan 23, 2012
Father and the Bride
Schemes are planned to ensure Blair's bachelorette party is a night to remember; Nate and a surprising ally gather evidence after discovering the truth about Blair and Chuck's car accident; Dan and Serena pretend to date again.
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Episode 13
Aired Jan 30, 2012
G.G.
Chuck struggles to face reality as Blair prepares to walk down the aisle with Prince Louis; the return of Georgina Sparks (Michelle Trachtenberg) threatens the royal wedding.
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Episode 14
Aired Feb 6, 2012
The Backup Dan
Blair struggles with a decision that could hurt those she loves the most; Serena tries to protect someone important to her; Georgina (Michelle Trachtenberg) pursues a scandal.
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Episode 15
Aired Feb 13, 2012
Crazy, Cupid, Love
Blair plays cupid for someone important to her; Georgina crashes Nate's Valentine's Day party; Serena witnesses something shocking.
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Episode 16
Aired Feb 20, 2012
Cross Rhodes
Dan is honored when he learns Upright Citizen's Brigade is performing excerpts of his book; Blair tries to save her friendship with Serena; Ivy winds up on a collision course with the van der Woodsens.
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Episode 17
Aired Feb 27, 2012
The Princess Dowry
Blair thinks Cyrus may have discovered a loophole in her prenup; Georgina and Chuck embark on a scheme that has surprising results; a crisis brings William van der Woodsen (Billy Baldwin) back to the city.
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Episode 18
Aired Apr 2, 2012
Con Heir
Chuck wants to express his gratitude to Jack; Dan and Blair encounter unexpected obstacles as they try to consummate their new relationship; Ivy finds an ally; Nate seeks an investor.
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Episode 19
Aired Apr 9, 2012
It Girl, Interrupted
Serena decides to step out of the spotlight and make Lola the new "It Girl"; Chuck asks Blair for advice; Diana's return ignites a power struggle with Nate.
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Episode 20
Aired Apr 16, 2012
Salon of the Dead
Dan and Blair plan an event to celebrate their official coming-out as a couple; Lola scores an important audition; Diana (Elizabeth Hurley) and Serena fight to keep their secrets hidden.
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Episode 21
Aired Apr 23, 2012
Despicable B
Blair devises a plan to make sure she retains her status on the Upper East Side; Lily tries to prove that the van der Woodsen family is united; Nate uncovers shocking information about Diana.
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Episode 22
Aired Apr 30, 2012
Raiders of the Lost Art
Nate, Chuck, Serena, Blair and Lola investigate what they think is an explosive secret involving Jack and Diana; Dan considers a prestigious fellowship that would take him to Rome for the summer.
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Episode 23
Aired May 7, 2012
The Fugitives
Blair asks Serena to pose as her at an important meeting; Lola and Ivy help Chuck with a personal vendetta; Nate makes a decision that involves Diana.
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Episode 24
Aired May 14, 2012
The Return of the Ring
Blair is targeted by Gossip Girl, forcing Serena to make a confession; Nate asks Lola to move in with him; Lily makes a decision about her marriage; Blair makes a choice between Dan and Chuck.
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