Watch a sneak peek and browse photos of the upcoming episode of GOSSIP GIRL The Undergraduates Season 4 Episode 3 which airs on Monday September 27 at 9pm on the CW.
Episode Synopsis: On her first day at Columbia, Blair (Leighton Meester) attempts to gain membership into an ultra-exclusive social club, Hamilton House, but she's in for a few big surprises. Serena (Blake Lively) begins to suspect that Juliet (guest star Katie Cassidy) is intentionally sabotaging Serena's life and that it may have something to do with Nate (Chace Crawford). Rufus (Matthew Settle) is worried about Dan (Penn Badgley) and decides to take matters into his own hands. Ed Westwick, Jessica Szohr and Kelly Rutherford also star. Norman Buckley directed the episode written by Amanda Lasher.