03-13-2009 on set

Starting at a dinner party at the Waldorf Penthouse for future stepfather Cyrus Rose, former best friend Serena van der Woodsen, described as the most gorgeous girl in all of New York City, returns from her boarding school Hanover Academy in Hanover, New Hampshire. Blair, from the start, doesn't want to give up her spotlight as being the "most happening" girl in the room just yet. She and boyfriend Nate who have dated for about a year are in the middle of a passionate scene when Serena shows up, and entertains all the guests with stories about her wild summer adventures and what it was like...

Blair Waldorf: [after waking up in bed together] You were on the floor!
Chuck Bass: I hurt my back.
Blair Waldorf: How? It's not like you ever do anything athletic.
Chuck Bass: [suggestively] Well, that's not exactly true, now is it?
Blair Waldorf: Fine, nothing that involves removing your scarf.
Chuck Bass: That was one time; it was chilly.

[Blair waskes up and slapps Chuck's arm]
Chuck Bass: Ow!
Blair Waldorf: Who, what, where, when, why?
Chuck Bass: We were up late plotting against Georgina, we must have dozed off.
Blair Waldorf: And you were on the floor.
Chuck Bass: I didn't want to hurt...