Secret sex - S1-E6
Continuity mistake: Samantha and Carrie are hanging Carrie's poster in her apartment. In one shot, the whole poster is pinned to the wall and in the next shot, the bottom left part of the poster is curling up. After another shot of Samantha, the poster is pinned perfectly to the wall again.
Valley of the twenty-something guys - S1-E4
Continuity mistake: Carrie receives a phone call from Samantha and her voice over says she needs her morning Marlboro Light, however, when she picks up her pack of cigarettes, you can see that it is a pack of Merits.
Secret sex - S1-E6
Continuity mistake: Carrie and her friends are in the City, waiting for the bus with her photo on it to drive by. When it does, there is a shocking hand-drawn image of a sexual nature near her head on the poster. In the next shot of this image, which is more of a close-up; it's a different drawing. Very similar, but obviously not the same drawing as shown the first time. (00:19:00)
The power of female sex - S1-E5
Continuity mistake: Carrie is in the hotel bed from her night with the French Architect, who is just leaving for the Airport. There is a shot of the small table by the bed, with the phone sitting on it. You cannot see any envelope at all resting against the phone, or visible at all. But with the next close-up, suddenly there is a large business-size envelope with her name on it resting prominently against the front of the phone. This envelope was not there previously. (00:14:45)
Continuity mistake: When Carrie arrives backstage at the fashion show, she's wearing a black dress with a long jewelled necklace that is wrapped once around her neck and hanging down on both sides of her chest, like a scarf. When the fashion show starts, the necklace strands are tied together in a big knot/wrapped around her neck more. Then, when she's about to get in a cab home, they are untied/hanging down again.
The power of female sex - S1-E5
Continuity mistake: After Amelita buys Carrie the shoes and Carrie turns to walk out, Amelita is standing right behind her still talking yet when the shot changes to Carrie walking out the door, although we can still hear Amelita chattering, she's no longer standing there or anywhere in sight.
Valley of the twenty-something guys - S1-E4
Continuity mistake: During the scene when Carrie and Sam are in the changing booth at the clothing store, Carrie starts helping Sam take his shirt off. She pulls the outer plaid shirt down quite a bit, revealing his white undershirt. But in the next shot of him, Sam suddenly has the plaid shirt back up around his neck. Then in his next shot, it's back down and the white undershirt is showing again.
Continuity mistake: While at their friends' place, Carrie holds her glass of wine wth her index finger extended over the bowl. A shot later the grip has changed completely.
Continuity mistake: When Big arrives at the party Carrie is eating a snack, with a remaining one on her hand. Big sees her and she's eating another snack, which leaves her with zero food. Half a second later there's a wide shot and not only is she not chewing the previous bite, but 2 snacks have suddenly appeared on her hand.
Continuity mistake: When the artist stops using the airbrush he holds it with his left hand. A shot later it's in his right hand where he drops it off.
Continuity mistake: When Carrie exits the club there's a woman with a bulky silver wig behind her. When the shot changes the woman has moved several meters back and is walking by again.
Continuity mistake: Sams shays she looks good and Miranda replies "you paid enough for it" and puts her chopsticks down. A shot later they're back in her hand and she is picking food. (00:06:03)
Continuity mistake: Miranda picks food with the chopsticks, then exactly one second later the food is gone and she is talking. Too fast for her to take it to her mouth, chew it and swallow it, for the scene takes place in real time. (00:06:00)
Continuity mistake: Miranda says "I'll raise your thighs and give you a chin", and Carrie swaps from eating a spring roll with her head lowered to having her head raised. (00:05:49)
Continuity mistake: Before dinner, Miranda holds the candles with her right hand. Then puts them in her left hand. A nanosecond later, from a different angle. She is leaving them on the table using her right hand. She couldn't have used her left hand for she is holding the napkins and they would've fallen down.
Continuity mistake: When the girls sit down to eat Chinese food, Sam puts the oyster pail away, but half a second later her hands are away from it, fiddling with something else.
Continuity mistake: In the kitchen, Sam has Chinese food in her chopsticks and says "she's like a model." She takes the chopsticks to her mouth, then angle changes and she is picking food again, though this time less amount.
Continuity mistake: While having coffee with Carrie, Skipper cries "I hate that word!" and raises his hands next to his head. A shot later they are not close to the head.
Continuity mistake: When Miranda is drinking with Skipper, she brings her cocktail close to her face twice.
Continuity mistake: Charlotte gets in a taxi with his date and the cab drives fast and leaves. Inside the cab, it drives really slow. It even gives the impression of being still for a couple of seconds.
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