Continuity mistake: When at WB Studios, the position of the paper on Carrie's windshield is close to the brim in one shot, and away in the following.
Continuity mistake: After the WB Studios guard puts a paper on Carrie's windshield, a grey car is driving parallel to hers. A shot later the car is behind Carrie's.
Continuity mistake: When Carrie arrives at WB Studios, the guard has no paper on his hand, but one suddenly appears in the following shot.
Continuity mistake: When Carrie arrives at WB Studio there's a red car exiting that disappears in the following shot.
Continuity mistake: When Sarah Michelle Gellar asks Carrie to guess, Sarah has her right arm under her chin, but it swaps to lowered in further shots.
Continuity mistake: When Sarah Michelle Gellar says she loves Carrie's shoes, Carrie's right arm is up. A shot later it's lowered.
Continuity mistake: Sarah Michelle Gellar's left arm is resting on the counter or not. Depending on the shot this changes back and forth.
Continuity mistake: When Mr. Dildo leaves the bar, the waiter in orange is on the left side. A shot later he is on the right side of the counter.
Continuity mistake: After Charlotte twirls her drink swaps hands between shots.
Continuity mistake: When breakfasting, Sam pinches a blackberry but it disappears half a second later.
What goes around comes around - S3-E17
Continuity mistake: Trey hits the last tennis ball in the basket but a shot later another ball appears.
The real me - S4-E2
Continuity mistake: When Sam puts the contact sheets on the table, Charlotte's menu disappears.
The agony and the 'ex'tasy - S4-E1
Continuity mistake: Big's tie is tucked inside his jacket, but loose in the rest of the shots.
The agony and the 'ex'tasy - S4-E1
Continuity mistake: Inside Big's car, Carrie lowers her cup, but a shot later it's raised.
Ghost town - S4-E5
Continuity mistake: When Carrie puts her invitation on the table, Sam picks it up twice.
The real me - S4-E2
Continuity mistake: Heidi Klum puts on an earring but a shot later her arm is lowered.
The real me - S4-E2
Continuity mistake: When Miranda eats her salad, the fork swaps hands between shots.
The real me - S4-E2
Continuity mistake: Anthony's golden necklace suddenly disappears before the show.
Continuity mistake: Books on top of Charlotte's fireplace fall down between shots. (00:10:02)
The real me - S4-E2
Continuity mistake: Before the fashion show, Oscar's cigarette swaps hands.
Answer: After its initial run on HBO, SATC was syndicated for cable TV. Syndicated series are usually edited for nudity, language, running time, and have alternate filmed scenes, etc. Maybe you saw two different versions where an alternate narration was used.
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