Other mistake: When the girls are at a restaurant right after Carrie leaves the Hamptons, Charlotte picks up her glass and puts her mouth on the straw as if she's drinking, but the liquid in the glass doesn't budge.
Other mistake: When Carrie opens the newspaper to read her column, the same paragraph is repeated at least twice.
The drought - S1-E11
Other mistake: When Carrie is trying to kiss Big, the reflection on the TV doesn't match the opposite side: The lamp and Carrie are missing.
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