Ep 11. Roman Holiday

Serena and Dan's relationship is put to the test when Serena's grandmother, CeCe, interferes with their Valentine's Day plans. Meanwhile, Blair is shocked when her estranged father, Harold, unexpectedly returns from France with an entourage.

In an effort to reconnect with Blair, Harold suggests they take a trip to Rome together. Blair is skeptical but ultimately decides to go, hoping to mend their relationship. However, the trip takes a turn when Blair's insecurities about her relationship with Chuck resurface and she turns to Nate for comfort.

Elsewhere, Serena accompanies her mother, Lily, to a charity event and runs into ex-boyfriend, Aaron, causing some tension with Dan. And Jenny struggles to balance her internship with Eleanor Waldorf's fashion line and her relationships with her boyfriend and her brother.

As the characters navigate their various challenges in the episode, secrets are revealed and alliances are tested. The Roman holiday proves to be more complicated than initially anticipated, leading to unexpected consequences for everyone involved.

Overall, episode 11 of Gossip Girl's first season offers a mix of romance, drama, and intrigue as the characters continue to navigate their privileged lives in New York City.