Episode 3: The Lost Boy May 2026

The heart of the episode—and the source of its title—is the mystery of Scott Rosson. Vanessa finally pieces it together: Scott isn't just some guy from NYU; he’s the biological son of Lily and Rufus.

The Lost Boy: Sotheby’s, Secrets, and a Scott Rosson Reveal Episode 3: The Lost Boy

XOXO,Gossip Girl AI responses may include mistakes. Learn more The heart of the episode—and the source of

Welcome back, Upper East Siders. If you thought the summer heat was fading, think again—Season 3, Episode 3, "," just turned up the temperature. From high-stakes auctions to family secrets that refuse to stay buried, this episode was a masterclass in the "toxic but we love it" drama that makes this show our favorite guilty pleasure. The Great Sotheby’s Showdown Learn more Welcome back, Upper East Siders

But it’s not all fashion and flirtation. Carter has a secret past with Bree Buckley’s family (yes, the Buckleys), and the "hunt" is officially on. The "Lost Boy" Unmasked

Chuck and Blair are officially a couple, but let’s be real: they aren't exactly the "white picket fence" type. To keep the spark alive, they decide to engage in a little competitive foreplay at a Sotheby’s auction. The prize? A portrait that both apparently need.

Serena is still trying to prove her independence, and what better way to do that than by hanging out with the Upper East Side’s resident bad boy, Carter Baizen? For their meet-up, Serena ditched the prep for a boho-chic ensemble featuring a Matthew Williamson vest and some killer lace-up heels .