3x02 The Freshman
First Aired: Sep. 21, 2009 on The CW
Summary: Blair ends up with Georgina as as her roommate in the dorms at NYU. While Serena and Chuck come to blows, so she joins forces with Chuck's enemy, Carter. Nate and Bree try to take their relationship up a gear despite the animosity between their families.
- Kelly Rutherford is absent from the first three episodes of the season as she recovers from her pregnancy. It is explained that her character, Lily van der Woodsen, is visiting her ill mother in California.
- During Georgina's party, the song playing the Cobra Starship song 'Good Girls Go Bad,' which features guest vocals by Leighton Meester, who plays Blair Waldorf.
- When Blair is talking to Chuck, she mentions Daniel Baldwin. His brother, William Baldwin, would go on to play Serena's absent father, William van der Woodsen later in the season and in future seasons.