William Baldwin

In a fashionable farewell to remember, our favorite Upper East Siders join forces for one last soiree, and the shocking identity of Gossip Girl is finally revealed.

In a fashionable farewell to remember, our favorite Upper East Siders join forces for one last soiree, and the shocking identity of Gossip Girl is finally revealed.

The Series Finale begins with the stars and executive producers bidding farewell to the Upper East Side in a look back at the show’s many unforgettable moments.

In a fashionable farewell to remember, our favorite Upper East Siders join forces for one last soiree, and the shocking identity of Gossip Girl is finally revealed. Also available on iTunes, Amazon Instant Video and VUDU

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. Also available on Xfinity, CW, iTunes, Amazon Instant Video and VUDU

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. Also available on Xfinity, CW, iTunes, Amazon Instant Video and VUDU

Serena and Dan realize that they need to make amends with the people they have wronged. Also available on Xfinity, CW, iTunes, Amazon Instant Video and VUDU

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. Also available on Xfinity, CW, iTunes, Amazon Instant Video and VUDU

After Blair's mother, Eleanor (recurring guest star MARGARET COLIN), 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 ballaffects everyone. Serena becomes worried about Steven's (recurring guest star BARRY WATSON) 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 (recurring guest star ROBERT JOHN BURKE) 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. Also available on Amazon Instant Video and VUDU

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 (recurring guest star ROBERT JOHN BURKE). Serena and Steven (recurring guest star BARRY WATSON) decide to reveal their romantic histories so they aren't surprised by anything, but neither is prepared for what is 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 (recurring guest star MICHELLE TRACHTENBERG) pushes Dan to choose a worthy person to date in an effort to boost his image, but he finds himself drawn in a different direction. Also available on Amazon Instant Video and VUDU

Feeling the pressure to make her first Waldorf Designs fashion show a success, Blair must rely on help from an unlikely source, butsome unexpected scheming causes a scandal on the runway. Serena discovers that befriending Steven's (recurring guest star BARRYWATSON) daughter, Sage (recurring guest star SOFIA BLACK-D'ELIA), is trickier than she thought, especially when she is forced to puther issues with Blair aside to make Sage happy. Nate publishes Dan's first serialized article, causing a stir and producing aserious threat. Meanwhile, Chuck begins to look into the clue that Amira (recurring guest star ANDREA GABRIEL) left behind, whichmay help uncover what Bart (recurring guest star ROBERT JOHN BURKE) is hiding. Plus, style icon ALEXA CHUNG makes an appearance. Also available on Amazon Instant Video and VUDU

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 (recurring guest star MICHELLE TRACHTENBERG), 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 (recurring guest star ANDREA GABRIEL) to help him look into his father's past, even if it means jeopardizing Lily and Bart's (recurring guest star ROBERT JOHN BURKE) relationship. Recurring guest stars BARRY WATSON and SOFIA BLACK-D'ELIA also appear. Also available on Amazon Instant Video