im a big fan of the show gossip girl. the last episode was a bit confusing. i like just started watching the show this season. what season are they on anyways? and when did alll that happen with serinna, georgina, and killing that guy? at first i thought it was like...that night b4...but then it said something bout like that happened after her and nate did it lol idk if any1 has the answers plz tell me