Gossip Girl - Season 4 Episode 9
Chuck hosts a "Saints and Sinners" masquerade party at the Empire Hotel. At the party, Dan and Nate don't know what to make of Serena's strange behavior and mixed messages. Blair sets her sights on becoming the new face of Anne Archibald's foundation for girls, but Anne is concerned that Blair's friendship with Chuck Bass may be problematic.
First Air Date : 2007-09-19
Last Air date : 2012-12-17
Runtime : 57 minutes
Cast : Blake Lively, Leighton Meester, Penn Badgley, Chace Crawford, Ed Westwick, Kaylee DeFer
Crew : Jessica Queller (Co-Executive Producer), Cecily von Ziegesar (Novel), Stephanie Savage (Executive Producer)
Quality : 
Subtitles :
- Season 4 : Episode 12010-09-13
- Season 4 : Episode 22010-09-20
- Season 4 : Episode 32010-09-27
- Season 4 : Episode 42010-10-04
- Season 4 : Episode 52010-10-11
- Season 4 : Episode 62010-10-25
- Season 4 : Episode 72010-11-01
- Season 4 : Episode 82010-11-08
- Season 4 : Episode 92010-11-15
- Season 4 : Episode 102010-11-29
- Season 4 : Episode 112010-12-06
- Season 4 : Episode 122011-01-24
- Season 4 : Episode 132011-01-31
- Season 4 : Episode 142011-02-07
- Season 4 : Episode 152011-02-14
- Season 4 : Episode 162011-02-21
- Season 4 : Episode 172011-02-28
- Season 4 : Episode 182011-04-18
- Season 4 : Episode 192011-04-25
- Season 4 : Episode 202011-05-02
- Season 4 : Episode 212011-05-09
- Season 4 : Episode 222011-05-16
