Season 4Episode 342m
The Undergraduates
2010-09-277.7 rating
On her first day at Columbia, Blair attempts to gain membership into an ultra-exclusive social club, Hamilton House .... but she's in for a few big surprises. Serena begins to suspect that Juliet is intentionally sabotaging Serena's life and that it may have something to do with Nate. Rufus is worried about Dan and decides to take matters into his own hands.