Gossip Girl - Chuck & Blair - 3.11 The Treasure Of The Serena Madre - Part 02/04

3.11 - The Treasure Of The Serena Madre Directed By: Mark Piznarski Written By: Robert Hull & Joshua Safran Original Airdate: November 30, 2009 It just wouldnt be Thanksgiving on the Upper East Side without it. Blair suspects her mom has been keeping a big secret from her, but it turns out to be something else entirely. Vanessa is supposed to spend Thanksgiving with her parents, but has a fight with her mom and shows up on Dans doorstep. Meanwhile, Rufus learns that Lily has been lying to him about her mother, Cece, and Chuck tells Nate that he has some potentially damaging information about one of their friends. Plus, Jenny learns that Eric was behind her very public embarrassment at Cotillion and cant pass up a chance to get even. And Serena is put in a very awkward position when her mother invites Tripp and Maureen to join them for Thanksgiving dinner.