Visible crew/equipment: When Charlotte approaches Wyle in front of the fire extinguisher, the boom mic is visible at the top of the screen. (00:10:40)
Continuity mistake: While dining with Big, Carrie takes a puff of her cigarette and bends her head to the right. From the opposite angle her head is straight as it was in the previous shots before she smoked.
Continuity mistake: The waiter brings Big and Carrie's dishes but when the shot changes to Carrie she already has her plate served.
Continuity mistake: When Carrie and Big are having dinner she drinks some wine but form the opposite angle her arm is down and the glass is gone. This swaps back and forth.
Continuity mistake: When Carrie removes a bread crumb from Big's mouth she uses her thumb. From the opposite angle she is reaching again but this time she uses 3 fingers.
Answer: I'm a long-time fan of the show, having re-watched it many times, and I definitely remember slightly different dialogue at the end of that episode than what's on my DVD. I'm afraid I have no idea why this change might have been made or any other info, but you're not insane.
Purple_Girl