609 The Revengers

After a run-in with an increasingly paranoid Bart, Blair grows alarmingly concerned for Chuck’s safety. However, feeling confident that his father will never hurt him, Chuck makes a deal that could change his life. Wanting to make things better for Chuck, Blair devises a plan with the help of Serena, Georgina and Sage to try and get what they need out of Bart. Meanwhile, Nate's financial dilemma finally lands him in a place that he never thought he would be.

Married to the Sea - Mutiny

Lady Mary - Just a Thought

Ellie Goulding - Hanging On

Minnaars - Busy Hands

I Am In Love - Buccaneer Mastery

XOXO

608 It's Really Complicated

Serena and Dan decide to throw their first Thanksgiving together, inviting only their closest friends, but everyone seems to have their own agenda for attending. Feeling defeated by his father, Chuck begins a downward spiral, leaving Blair to find a solution to his problems. Meanwhile, Dan has written his latest exposé, but he must make a tough decision whether to publish it, knowing it could destroy a close friendship.

The Hundred In the Hands -  Tunnels

In Waves - The Future is Unknown

Cat Power - Silent Machine

Mechanical River - Pomelos

Wolf Rider - For You

XOXO

607 Save the Last Chance

Serena and Dan realize that they need to make amends with the people they have wronged. Blair has one last chance to prove to her mother her worth as a fashion designer and with Serena's help, comes up with a plan to make her line the "it" look for Sage and her friends. Chuck is close to getting the evidence he needs against his father, until one of his closest allies reveals his plan to Bart.

Sky Ferreira - Red Lips

Antennas Up - Pretenders

Haley Reinhart (Ft. B.o.B) - On My!

Chromatics -  Kill For Love

Fire In The Hamptons - Humanimal

Gossling - Heart Killer

Niki Watkins - Get Wild

Katy Tiz - Famous

Dirty Radio - Dancing Alone

XOXO

SHOUT OUT to James Cross who works with Katy Tiz and sent in the following links: Katy Tiz - "Famous" http://youtu.be/1RHmFm8PHpE and an acoustic version of "I Don't Give A" she recently released http://youtu.be/biWnjn8hTkQ

606 Where The Vile Things Are

Blair gets ready for her mother’s imminent arrival, but is unprepared for the set of demands her mother puts upon her. Serena volunteers to help Dan find a new place to live, but their time together brings up unexpected emotions. With Ivy’s help, Chuck discovers there is evidence incriminating his father in illegal activities and enlists the help of Nate to retrieve it. Meanwhile, Rufus and Ivy are excited about their art gallery opening until they find an empty RSVP list and must scramble to find another way to make the event a success.

Lemonade - Vivid

My Fiction - Trophy Kids

MNDR - Stay

Wild Future - So Electric

My Fiction - Shanghai Surprise

White Arrows - Little Birds

My Fiction - Knives & Bombs

Hot Chip - Flutes

All Wrong And The Plans Change - Deals

Tara Simmons - Be Gone

XOXO

605 Monstrous Ball

After Eleanor gives Blair an ultimatum, Blair is even more determined to remedy Waldorf Designs’ problems by making a splash with a dress at the upcoming Cotillion, but a shocking revelation at the ball affects everyone. Serena becomes worried about Steven’s attitude toward her, but after some investigating she discovers the surprising reason why. Chuck finds an unlikely ally as he tries to drive a wedge between Bart and Lily’s relationship to help expose his father’s secret. Meanwhile, Dan publishes another article, but the effect is just the opposite of what he was hoping for.

Frank Ocean -  Thinkin Bout You

Frank Ocean - Sweet Life

Frank Ocean - Super Rich Kids

Frank Ocean - Pyramids

Frank Ocean -   Lost

XOXO

604 Portrait of a Lady Alexander

Chuck’s continued investigation into his father’s dealings leads him to an unlikely event with Manhattan’s elite, where he hopes to find the one person who can tell him the truth about Bart. Serena and Steven decide to reveal their romantic histories so they aren’t surprised by anything, but neither was prepared for what they uncovered. With The Spectator in jeopardy after Dan decided to publish elsewhere, Nate must make a difficult decision to keep it in business. Meanwhile, Georgina pushes Dan to choose a worthy person to date to boost his image, but he finds himself drawn in a different direction.

Stepdad - Warriors (Jungles, Pt. 2)

Stepdad - Pick & Choose

The Cold and Lovely - Paper Gun

Cave Dweller - NYC

White Arrows - I Can Go
Francisco The Man - Dreams

XOXO

603 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’s daughter Sage is trickier than she thought, especially when she is forced to put her issues with Blair aside to make Sage happy. Nate publishes Dan’s first serialized article causing a stir and producing a serious threat. Meanwhile, Chuck begins to look into the clue that Amira left behind, which may help uncover what Bart is hiding.

 MNDR - I Go Away

The Japanese Popstars - Let Go

Cave Dweller - Let's Party Like Never Before

Shaw Lee's Ping Pong Orchestra - Tense Bossa

Santigold - The Riots Gone

MNDR - C.L.U.B.

Rebecca & Fiona - We Are Girls

Wild Future - We Are So Alive Tonight

XOXO

602 High Infidelity

Trying to prove herself in adult society, Serena hosts the Central Park Conservancy’s big gala, of which she is now the newest Board Member, and she and Nate both learn something shocking about their significant others. Blair prepares to debut her new fashion line, but a rival from her past holds the key to her future. With the help of Georgina, Dan lands some meetings with publishers, but he must decide if he is willing to sacrifice his integrity in order to get his work published. Meanwhile, Chuck tries to persuade Amira to help him look into his father’s past, even if it means jeopardizing Lily and Bart’s relationship.

Crystal Fighters - Champion Sound

Ladyhawke - Girl Like Me

Charli XCX - Nuclear Season

David Byrne & St. Vincent - Who

XOXO

601 Gone Maybe Gone

After a brief encounter abroad, Chuck and Blair make a promise to each other about their relationship, which leaves them once again apart. Dan, with some help from an unlikely ally, Georgina, is writing a scathing tell-all book that can only mean trouble. As the sole head of The Spectator, Nate is making his own decisions and is ready to go up against Gossip Girl. As word spreads that Serena is missing, the gang bands together to find her and are shocked by what they find.

The XX - Angels

Rebecca & Fiona - Dance

Ladyhawke - Gone, Gone, Gone

The Ting Tings - Hang It Up
.

XOXO

524 The Return Of The Ring

When Gossip Girl goes after Blair as she’s never done before, Serena admits she may have unintentionally played an important role in Blair's latest nightmare. Meanwhile, Nate invites Lola to move in with him, and Lily must make a big decision about the future of her marriage. Finally, by episode’s end, Blair will make a choice between the two men in her life...will it be Chuck or will it be Dan?

Golden State - Bombs

The Ting Tings - Give It Back

Ms Mr - Hurricane

Zole Jesus - In Your Nature (David Lynch Remix)

Fun - We Are Young (Feat. Janelle Monáe)

Magic Wands - Space
Conduits - Misery Train

The Broken Remotes - Get Along

XOXO

523 The Fugitives

Blair enlists Serena to be her stand-in at an important meeting when Blair finds herself needing to be in two places at the same time. Meanwhile, Ivy and Lola team up to help Chuck with a personal vendetta, and Nate makes a decision about the future with Diana Payne.

Courrier - Love Is A Fire

Tribes - Halfway Home

Imagine Dragons - Round And Round

XOXO

522 Raiders Of The Lost Art

Chuck, Nate, Blair, Serena and Lola team up to uncover what they think is an explosive secret between Diana and Jack. Meanwhile, Dan is offered a prestigious fellowship in Rome for the summer. 

The Bravery - Believe

The Big Sleep - Valentine

Lissy Trullie - Spit You Out

Tribes - Alone or With Friends 

In Waves - Party It Up

League - Strange Kind Of Love

XOXO 

521 Despicable B

Blair feels like her Upper East Side status might be slipping away and devises a plan to assure that doesn't happen. Meanwhile, Lily throws a family gathering including William Carol and Lola in an attempt to prove the van der Woodsen family is as united as ever. Finally, Nate digs into Diana's past and is surprised by what he discovers.

Anya Marina - Body Knows Best

Foxes - Home

Sleigh Bells - End Of The Line

Magic Wands - Black Magic

Paulie Pesh - Nothing Happened

F.I.R. -  À la prochaine

XOXO

520 Salon Of The Dead

To celebrate their official coming out as a couple, Blair and Dan host a glamorous British-themed Salon, including guests Julian Tepper and Jenna Gribbon. Lola lands the audition of a lifetime, but Gossip Girl may have other plans for the Upper East Side's latest It Girl. Meanwhile, Lily and Rufus disagree over the best way to handle the Ivy situation, and Serena and Diana face-off over secrets they both would prefer remain secrets.

The Broken Remotes - How Deep Is Your Underground?

Lemon Sun - Into The Outerspace

Ball Park Music - It's Nice To Be Alive

The Uglysuit - Pen and Self

Frankie & the Heartstrings - Possibilities

The Pass - Trap of Mirrors

Foxes - Youth

Grouplove - Tongue Tied

Lemon Sun - Touch The Lightning

XOXO

519 It Girl, Interrupted

Serena decides she is ready to relinquish the spotlight and sets out to make a reluctant Lola the next "It Girl" of the Upper East Side, starting with modeling at a Kiki de Montparnasse lingerie show. Meanwhile, Chuck reaches out to Blair for advice about his past, and Diana Payne's return to The Spectator starts a power struggle with Nate.

Hustle Roses - Alive

The Lighthouse And The Whaler - Pioneers

M.I.A. - Bad Girls

Charlotte Gainsbourg - Terrible Angels

Class Actress - Keep You

The Big Pink - Hit The Ground (Superman)

XOXO

518 Con Heir

Chuck invites Jack to town to thank him for saving his life, but finds the trip doesn't go exactly as planned. Blair and Dan attempt to consummate their new relationship -- but unexpected roadblocks get in their way. Meanwhile, Ivy finds an unlikely ally in William in her quest to be accepted on the Upper East Side, and Nate is hopeful a new investor will save his newspaper.

Mr. Little Jeans - Angel (RAC Remix)

Dr. Dog - Control Yourself

Veronica Falls - Misery

Boy In a Box - Moon Comes Up

The Wind - Some Place

In Waves - Stars

In Waves - This City

Skinny Love - Birdy

XOXO

517 The Princess Dowry

Blair thinks Cyrus  may have found a potential loophole in her prenup. Chuck and Georgina partner up in a scheme, but it has an unpredictable outcome. Meanwhile, a family crisis brings William van der Woodsen back to the Upper East Side.

Joanie Madden - Boat to Bofin

The Cranberries - Dreams

Black 47 - Izzy's Irish Rose

Among Savages - New York City

Black 47 -  New York, NY 10009

Charlotte Gainsbourg - Paradisco

The Pogues - Sally Maclennane

Wye Oak - Strangers

Joanie Madden - The Cat's Meow

M83 - We Own The Sky

XOXO

516 Cross Rhodes

Dan feels honored when he learns that Upright Citizen's Brigade is performing excerpts from his book, Inside. Blair tries to prove Serena's suspicions wrong in order to save their friendship. On her way out of town, Ivy ends up on a collision course with the van der Woodsens.

Little Comets - Dancing Song

Feist - Graveyard

Jet Horns (AKA Jon Von Letscher) - Oscar Enzina

XOXO

515 Crazy, Cupid, Love

It's Valentine's Day on the Upper East Side and Blair can't resist playing cupid for someone she loves. Georgina is intent on stirring up more drama, so she decides to crash Nate's Valentine's Day party. Meanwhile, Serena is shocked by something she witnesses at the party.

The Kills - Baby Says

St. Vincent - Cheerleader

Free Blood - Cleaning House

St. Vincent - Cruel

Will.i.am - I Got It From My Mama

Tag Team - Let's Get This Party Started Right

Kina Grannis - The One You Say Goodnight To
The Virgins - Rich Girls
St. Vincent - The Party
Kina Grannis - Valentine

XOXO

514 The Backup Dan

Blair must make a difficult decision about her future, the consequences of which could hurt those she loves most. Serena takes the blame for an incident with Gossip Girl in order to protect someone she loves. Georgina smells the scent of scandal and decides to follow its trail.

The Big Pink - Future This

Madonna - Like A Virgin

In Waves - New York City

Joanna James - Try

M83 - Wait

The Temporary Thing - War

XOXO

513 G.G.

The much-anticipated 100th episode will open with a musical dream sequence featuring Serena, Blair and all the men in their lives. Also, while Chuck wrestles with the reality that Blair is about to walk down the aisle with Prince Louis, the return of Georgina Sparks might make the royal affair a royal disaster.

Marlyn Monroe - Diamonds Are A Girl's Best Friend

Vitamin String Quartet - Never Tear Us Apart

Grouplove - Slow

Wolf Gang - Suego Faults

Vitamin String Quartet -We Belong

The Kooks - Young Folks

Beethoven - Rondo In C Major, Op. 51
Jon Hasting - Endless Summer 

XOXO

512 Father AndThe Bride

Blair prepares to celebrate her upcoming royal wedding with a bachelorette party, but others scheme behind her back to make this a night to remember. After discovering the truth behind Chuck and Blair's car accident, Nate joins forces with a surprising ally to gather the evidence. Serena and Dan pretend to be dating again to protect someone close to them.

The Naked and Famous - Bells

Hollywood Holt - Brains

The Joy Formidable - Cradle (Fang Island Remix)

LMFAO - Party Rock Anthem

LMFAO - Sexy and I Know It

The Lost Patrol - The Road is Long
James Vincent McMorrow - Wicked Games
Two Door Cinema Club - New House

XOXO

511 The End of the Affair?

Through a series of emotional flashbacks, Blair reveals to Serena what really happened in the aftermath of her tragic car accident with Chuck. Meanwhile, Nate discovers information about the accident that suggests possible foul play. Lily is worried by Charlie's long absence and decides to hire a private detective to track her down.

My Gold Mask - All Up In The Air

All Mankind - Break The Spell

Dum Dum Girls - Coming Down

Zee Avi - Concrete Wall

M83 - Outro

Michael Nyman - The End of the Affair

James Vincent McMorrow - Wicked Game

Helene Smith - Willing and Able

XOXO