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Continuity mistake: When Carrie is startled by the squirrel and tosses the pie crust onto the counter, the camera cuts to her clasping her legs where she burnt them. In the next shot of the counter the pie crust has vanished; then in the next shot of it, the crust has returned. Also, the tray and tea towels change positions.
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Continuity mistake: At the bar "Trade" Charlotte is having tape on her upper body in one shot, but it disappears a second later when she sees Anthony. She has no time to take it off. (00:03:45)
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Continuity mistake: In the restaurant with Big and Carrie, Big's either holding the stem of his wine glass, or holding it above the stem between shots. There isn't any time for him to switch the position of his hand between shots.
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Ghost town - S4-E5
Continuity mistake: Carrie, Samantha and Miranda are at the opening of Steve and Aidan's bar. Carrie lifts her hair off her neck with her right arm, but then in the next shot, she is lowering her left arm.
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Coulda, woulda, shoulda - S4-E11
Continuity mistake: Carrie is sitting at her laptop eating a blue ice pop. She takes a bite from the top then holds the stick with the rest of the ice pop in between her teeth while she types on the laptop, we see a shot of the screen. When we go back to Carrie she is eating the rest of the ice pop which is impossible because just 2 seconds before it was still attached to the stick. She didn't have time to bite it off the stick because she was using both her hands to type.
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The agony and the 'ex'tasy - S4-E1
Continuity mistake: When Carrie is showering after being stood up at her party she is not wearing mascara as she stands with her face under the water, then as she opens the curtain to talk to Charlotte again there is no mascara. She puts her hands briefly over her eyes and when she takes them away, mascara is visible all over her eyes and cheeks.
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Continuity mistake: When Carrie is reading the magazine and Aiden punches a hole through her wall, the hole looks to be about 4 feet from the corner of the wall. But after Carrie gets up and runs into the other apartment to confront Aiden, the hole in the other side of the wall is suddenly about 8 feet from the same corner, much further away. (00:12:55)
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Revealing mistake: When Aidan and Carrie shower, some sort of screen or towel briefly appears by their waists to add for some privacy and avoid their private body parts (or any garment covering them) being exposed.
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The real me - S4-E2
Continuity mistake: As the group are discussing Samantha's nude photos in the restaurant, a salad Miranda has ordered arrives at the table. Just after Carrie says "that we know of" you can see the waitress place both the salad and a ramekin of dressing onto the table from behind Miranda. The shot then cuts to the front and the waitress is shown putting the ramekin down for the second time.
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What's sex got to do with it? - S4-E4
Continuity mistake: After Carrie asks Ray if he wants to 'play her', she pulls down the neckline of her top to reveal a strap on her left shoulder. But in the next shot when Ray moves behind Carrie and we are facing them, suddenly her top is pulled back up, and there is no strap showing. This was a seamless transition, and there was no time for anyone to have pulled her top back up. (00:19:05)
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Continuity mistake: When Charlotte is crying into the pillow, we can see that she's gotten black eye make-up on it. The splodges of make-up disappear twice during the scene, most noticeable just when Carrie walks in holding the baby.
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Trivia: As of this episode, credits change due to the 9/11 attacks: Twin Towers next to Sarah Jessica Parker's name and the show's title are replaced with the Empire State Building and a different skyline, respectively.
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Continuity mistake: When the jewelry clerk advises Charlotte what to do with her ring she extends two fingers, but a shot later she is extending all five.
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Continuity mistake: When Aidan reaches to Carrie to help her get up, her arm is quite clean. Half a second later it's covered in mud.
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Continuity mistake: When Carrie is about to carry the log, Aidan's left arm is lowered, but a shot later it rests against the log.
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The real me - S4-E2
Continuity mistake: Heidi Klum puts on an earring but a shot later her arm is lowered.
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Continuity mistake: When Carrie and Charlotte bump into Anthony at the club he extends his arms and holds Charlotte's hands, but his arms are not extended a shot later.
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Continuity mistake: During diner with Big, Carrie's bag is pointing in an 11 o'clock position, but when Big grabs his glass it points in a 1 o'clock position.
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I heart ny - S4-E18
Continuity mistake: When Steven hands the baby to Carrie his chest is bare and arms are showing. When Carrie holds it he is fully covered and the arms are tucked inside the sheets. Then Carrie hands him to Miranda and the baby's arms are moving freely again.
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I heart ny - S4-E18
Continuity mistake: While Carrie and Big are on the horse buggy, Big asks the driver to speed-up. When the horse gallops, Big and Carrie disappear.
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