Watch Gossip Girl S05e22 -

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The investigation leads to the shocking discovery that Bart Bass is alive and has been hiding in a secret room. Watch Gossip Girl S05E22

Fans and critics generally viewed the return of Bart Bass as a polarizing "jump the shark" moment, though it provided a massive cliffhanger for the final episodes of the season. Available for purchase by episode or season on

In this episode, the core group teams up to uncover a major secret involving Chuck’s father, Bart Bass. The plot centers on a high-stakes mission to a secret club, blending the show's signature melodrama with a "heist-style" investigation. Key Plot Points In this episode, the core group teams up

Chuck, Blair, Nate, Serena, and Lola team up to infiltrate a secret society meeting at a mansion. They believe a mysterious diary held by Diana Payne contains proof that Bart Bass is still alive.