The Treasure of Serena Madre (S03E11)
Title: The Treasure of Serena Madre Plot: The Upper East Side is never short of holiday drama, especially around Thanksgiving. Blair suspects her mother is hiding a significant secret, but the truth is quite unexpected. Vanessa, planning to celebrate with her family, storms over to Dan's place after a disagreement with her mom. Meanwhile, Rufus discovers that Lily has been deceiving him about her mother, Cece. Chuck reveals to Nate that he possesses potentially damaging info about one of their friends. Jenny uncovers that Eric orchestrated her embarrassing moment at Cotillion and sees it as the perfect opportunity for revenge. To top it off, Serena finds herself in an uncomfortable situation when her mother invites Trip and Maureen for the holiday feast.