Continuity mistake: When Carrie and Steve are sitting on his front steps discussing Aiden, Carrie is looking forward as Steve says "He lost his ability to open up and trust women." At that moment; Carrie turns her face towards Steve to her left, and keeps it there as she is appalled. But the very next shot; Carrie is suddenly facing forward again, and then starts turning her head left towards Steve for a second time. But in the next shot; she is already facing Steve, from the first time she reacted to what he said. It's clear that she had never actually moved her head after the first time. (00:25:30)
Continuity mistake: At the market, Stanford's hands are crossed by his tummy, but a shot later they're crossed behind his back. (00:25:46)
Continuity mistake: Bunny grabs the telegram from the lower part. A shot later she is grabbing it from the side.
Continuity mistake: When Sam wants to return the neck massager, it has cables tangled all around or not, depending on the shot.
Continuity mistake: When Miranda's neighbour is scolding her, the neighbour's head is tilted sideways. Then she straightens it up but from the opposite angle it remains tilted for several seconds.
Continuity mistake: When Charlotte is signing her divorce papers, there is a close-up of Harry's face leaning over her. It's covered with large drops of sweat, some of which drip onto the paper. But in the next shot of Harry when he is standing up, he isn't nearly as sweaty. Most of the perspiration on his face seems to have disappeared. (00:07:00)
Continuity mistake: In the train, Carrie says she needs a drink and takes her arms towards her head. From a different angle her arms are lowered and she is raising them again. (00:09:21)
Continuity mistake: Carrie asks Big what he thought abut the book while he lowers his glass. A shot later his glass is raised and he is lowering it again. (00:21:14)
Continuity mistake: Carrie kisses Big and caresses his right cheek. A shot later her hand is nowhere to be seen.
Continuity mistake: After Mr. Big swallows the gum he puts his left hand on his chest. A shot later it disappears.
Continuity mistake: After Harry grabs the tissue paper, The one sticking out of the box changes shape between shots.
Continuity mistake: In the train, before and during the moment when the waiter asks Sam what she wants, her menu keeps changing positions in every shot: sometimes it's slightly raised, others it's about to be raised, and once it lies flat on the table.
Continuity mistake: When Sam says the men are boring like her scallops she drops the cutlery. The fork is either lying sideways or face-up depending on the shpt.
Continuity mistake: During brunch outside, Miranda's bite on her muffin changes shape between the side and the front shot.
Continuity mistake: During the girls' chit-chat, the amount of ice tea in Miranda's glass suddenly decreases between shots.
Continuity mistake: While eating outside with Miranda and her baby, Carrie takes a french fry to her mouth, but her hand suddenly disappears in the following shot.
Continuity mistake: When Carrie bumps into the dogs, the dog walker is sometimes on the middle of the streets, others next to the building, others crouching and others standing still. No continuity. (00:01:05)
Continuity mistake: Charlotte asks Carrie how many outfits has she bought, and takes her left arm to her hair. Half a second later her arm is lowered. (00:01:30 - 00:13:29)
Continuity mistake: Charlotte drinks from her glass but her arm is lowered a shot later. (00:05:45)
Continuity mistake: When Steve is wiping Miranda's face with the baby wipes, there are still a few smudges on her forehead. But after she chases him across the room and back again, suddenly the smudges are gone, and her forehead and face are entirely clear of anything. She did not have a chance to wipe her skin at all. (00:06:55)
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