Continuity mistake: When Charlotte is kicked out of bed by the couple a beige silk cushion flies off bed. Shot changes and the cushion disappears, only to reappear flying seconds later.
Continuity mistake: When the blonde woman is about to join Charlotte and her date, he has his jacket halfway down. A shot later it's back up.
Continuity mistake: At the flower shop, Miranda bumps into a woman in red who holds her arm. Half a second later she isn't holding it.
Continuity mistake: While the girls are in the makeup store, a woman walks behind Miranda twice.
Continuity mistake: When Carrie is tying Big's tie his collar stiff is sometimes showing and others not, this changes back and forth randomly.
Continuity mistake: When Charlotte goes to a bar with his date, the people standing behind him have no continuity between shots.
Continuity mistake: During lunch, when Miranda says "forget about me" Carrie takes both hands and puts her hair up. From the opposite angle her hands are down.
Continuity mistake: Miranda pinches a bunch of lettuce, but in the next shot they transform into a tomato.
Continuity mistake: During lunch with the girls, Miranda turns around slightly to reach for something on the table but half a second later from a front angle she is sitting straight chewing as she was several moments before. This happens both times she reaches for something during the scene. (00:02:55)
Continuity mistake: During lunch, Miranda's cucumber on a fork swaps between being up, down or close to her mouth.
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