Below you can official episode guide for Gossip Girl season 4 episode 9 titled "The Witches of Bushwick".
CHUCK THROWS A "SAINTS AND SINNERS" MASQUERADE PARTY
- 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 (guest star Francie Swift) foundation for girls, but Anne is concerned that Blair's friendship with Chuck Bass may be problematic.