
Dan see’s Rufus and Ivy together
Serena show Steven her apartment; Amira tells Chuck about the deal
Blair & Chuck kiss; Dan & Georgina talk about revenge & his book; Nate looks enlargements of the video of Gossip Girl; Serena is seen passed out on a train.
Georgina & Dan follow Chuck's limo.
Nate wakes up in bed
Chuck receives a note from Amira; Blair looks through her mom's old designs; Steven & Serena walk Sage to school.
Serena greets her guests and avoids Steven; Dan & Georgina crash Serena's event in an attempt to sell his book; Serena tells Nate to get rid of Sage; Blair gets an update from her minions; Chuck discovers the text from Blair was fake.
Nate goes backstage to wish Sage good luck; Blair tells Sage she has a different outfit for her; Nate discovers that Dan sold his story to Vanity Fair.
Chuck comforts Blair; Steven compliments Serena on how she handled Sage's antics; Sage goes to Nate's place; Nelly congratulates Dan then offers to let him stay at her place; Chuck fills Blair in on his progress with taking down Bart.
Blair talks with the press about her fashion show; Steven & Serena make a toast; Blair & Serena argue over the seating arrangements.
Blair passes out while talking to Dorota.
Blair checks out the pieces for her debut collection, then is told her main model has a prior commitment.
Nate reads Dan's newest chapter to Sage.
Rufus tells Ivy he just wants to move forward with her; Serena deletes the sex video of her & Dan; Georgina checks out the Dan/Serena sex video; Chuck finds an article about illegal oil trading; Dan asks Blair if he can crash at her place.
Lily, Chuck & Blair arrive at the horse show; Chuck asks about Sheikh Hassan's horses.
Dan informs Georgina that none of her 'girlfriend' options are who he's looking for.
Chuck & Blair chat with an artist in an attempt to see Lady Alexander.
Gossip Girl talks about cotillion debuts; Blair asks Dan his opinion on a new design; Georgina tracks down Dan.
Blair phones Lily to discuss Serena's history with men & impending engagement; Blair & Sage review their plan.
Georgina demands the 'Blair chapter' from Dan; Sage steals Georgina's phone to get Serena & Dan's sex tape; Chuck joins Blair & Dan and mentions why he wants to talk with Lily; Serena asks Lily if she denied her permission for her to marry Steven.
The debutantes are introduced; Blair tells Serena she just wants to delay the engagement not destroy it.
Ivy gets a call from Chuck asking if Bart did anything unusual while she was in the apartment; Dorota tells Blair that she has buyers for the dress Sage wore & that Eleanor is headed home to fix things; Serena & Dan chat over dinner & order pie.
Serena & Dan are swarmed by paparazzi while getting on Dan's Vespa.
Lily tells Ivy & Rufus she wants to buy the painting back.
Blair apologizes to Eleanor infront of Nelly, then claims she doesn't have any talent & resigns from Waldorf designs.
Blair lectures her employees in preparation for her mother's arrival; Eleanor arrives.
Chuck walks to the art benefit; Humphrey chats about his artists; Rufus reveals to Lily that Ivy has CeCe's money; Lily gets into a bidding war with Ivy; Chuck makes a bid on the painting.
The Art Production Fund benefit starts; Ivy & Humphrey are thanked for their contribution; Ivy tells Lily she wants to be better than her.
Chuck finds Bart searching his apartment; Dan & Serena hang out in bed and talk about their plans for the day; Chuck orders up a maid service.
A Fed complains about Chuck wasting their time; Blair tells Chuck about her problem with the Dons.
Dan & Serena agree they want to be together; Blair's employees celebrate; Dan tells Georgina he's writing a Serena chapter.
Ivy presents her deal to Bart & Chuck, then stops by to tell William how it went.
Bart insists Ivy hand over the microfilm before they take compromising photos; Chuch tries to convince Ivy to change her mind; Rufus gives the microfilm to Lily.
Blair leaves Serena a message about the Pop Up; Sage calls one of Dons about a change of plans; Dan tells Chuck about seeing Ivy at the loft.
Dan & Serena watch the Thanksgiving Day parade; Chuck lies in bed and drinks; Rufus looks at a flyer.
Serena tells Blair she was right about Dan; Lily tells Chuck she's sorry for trying to force reconciliation between him & Bart; Nate punches Dan; Bart tells Dan he was impressed with his latest chapter.
Lily tells Chuck she knows what was on the microfilm; Nate get a threatening call from Bart; Serena calls Steven but he ignores her call; Chuck asks Blair to go to war with him; Dan starts thte final chapter of his book.
Sage suggests that Nate try again to discover Gossip Girl's identity; Dan tells Serena he has never stopped loving her.
Georgina helps Dan look for a new place to live.
Serena tells Bart that Lily was sorry she couldn't make it to his 'Man Of The Year' celebration; Georgina compliments Bart on his picture on the program; Blair commends Sage on stealing Bruce Caplan's phone and using it to phone Bart.
Ivy hints to Bart that she made copies of the microfilm; Blair introduces Bart to Iman Hassan; Bart tells Blair he knows what she's doing, then they see a news story about a plane crash; Bart is called on stage.
Serena, Blair, Chuck & Nate tell Ivy they're using her as a goat to get Bart; Nate is arrested for fraud.
Everyone gathers at the Warhol Exhibit for Chuck & Blair's wedding.
News of Gossip Girl's identity spreads; Dan admits to creating Gossip Girl.
5 years later, everyone gathers for Dan & Serena's wedding.
Gossip Girl talks about how there will always be someone on the outside wanting to get in.
Flashback to Dan going to his first UES party & seeing Serena.
Nate gives Sage Dan's last chapter to publish, then overhears some girls talking about Gossip Girl & contacting the police; Cyrus rushes to perform the wedding before the police arrive; Chuck & Blair are taken away by the police.