Watch Gossip Girl S05e22 -

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.

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

Tensions rise in their relationship as Blair becomes consumed with helping Chuck, leading Dan to feel sidelined and insecure about their future. Chuck, Blair, Nate, Serena, and Lola team up

As of April 2026, you can stream Gossip Girl (2007–2012) on the following platforms: Watch Gossip Girl S05E22