Blair is caught off-guard - and not in a good way - by a surprise guest at her birthday party. Having had enough of Chuck and Blair's games, Serena and Nate decide to plan an intervention.
Episode rating
Cast of episode
70
20
4
2
2
1
- Chuck Bass
- Blair Waldorf
- Serena van der Woodsen
- Dan Humphrey
- Nate Archibald
- Dorota Kishlovsky
- Eric van der Woodsen
- Jenny Humphrey
- Lily van der Woodsen
- Rufus Humphrey
- Vanessa Abrams
- Eleanor Waldorf
- Dean Reuther
- Ben Donovan
- Juliet Sharp
- Colin Forrester
- Penelope Shafai
- Rita
- Jessica Leitenberg
- Self
- Self
- Self
- Gossip Girl
- Self
- Florist's Assistant
- Hamilton House Member
- Bored Girlfriend
- The Professional Student
- Ilana
- Party Guest