Season 2 - Episode 4

4 - The Ex-Files

Blair and her "Posse" interview different girls to decide whether or not they would be inducted into their "clique". Meanwhile, Dan meets a new student named Amanda, and the two instantly bond, however, Blair and her "posse" attempt to sabotage Dan and Amanda's new friendship by introducing her as the new girl into their clique. Serena also meets somebody new, and he could be her next love interest. And Vanessa finally meets with the duchess.