Continuity mistake: In the scene where the four ladies are sitting around the pool in Mexico, talking about Miranda's lack of waxing, keep an eye on the magazine that Charlotte is holding. Just as Miranda walks away, the open page on the left side of the magazine is a red page advertising what looks like a perfume. As she leans forward to say, "really," the page changes immediately to a white page. Then after Carrie makes her "Mexicoma" joke, the shot goes back to Charlotte and Samantha, and the magazine Charlotte has open is now on a blueish picture. Not enough time to change the pages. (01:05:00)
Continuity mistake: At the Italian restaurant, when Miranda explains that she has a brief to work on at home, Magda lifts her glass of water with her left hand, but in the shot facing her she holds it in her right hand, then it's back in her left hand again. (00:23:35)
Continuity mistake: When Carrie and Louis are together at the bar, Carrie's drink changes between shots.
Continuity mistake: When Miranda and Steve are at the restaurant, the olive oil and Brady's toys such as the dinosaur, etc, keep moving around the table between shots, though nobody is touching them. (00:23:35)
Continuity mistake: When Sam throws the sushi at Smith, the splatter on the fridge changes between shots, even when no food is being thrown.
Continuity mistake: When Carrie receives the Valentines card, the envelope's seal flap is extended or not depending on the shot.
Continuity mistake: Carrie receives a Valentines card and turns it around. Depending on the shot she's either holding it from the lower part or from the side.
Continuity mistake: During the job interview, Carrie asks Louise the last question. She stretches her hands and crosses her fingers. From the opposite angle her right hand is extended, but the left one is under the table.
Continuity mistake: When Lily asks Carrie to read her Cinderella again Carrie opens the book. From the opposite angle it's closed and she's opening it again. From the next angle it's closed again.
Continuity mistake: In the final scene, Carrie drinks her cocktail and there's a shot of Sam from behind, with her glass on the table, hand away from it. Half a second later she is holding the glass and lowering it to put it on the table. (02:10:57)
Continuity mistake: When Carrie sees Charlotte's baby, her arm is bare and over Charlotte's arm. From the opposite angle it's hidden inside her pajamas.
Continuity mistake: When Carrie takes the first bite at her sandwich, she holds it perpendicular. Also, there's a bit of bread and egg standing out. A shot later, the bit is gone and the sandwich is parallel.
Continuity mistake: Steve confesses he's cheated Miranda and she walks to bed. His arms are positioned in front of him, then he moves them behind and tucks the pillows. From a brief opposite angle his arms are in front again. (00:33:46)
Continuity mistake: Sam places a piece of bread on the plate, but in the immediate shot her arm is raised and she's about to eat the bread. (00:34:26)
Continuity mistake: The bread lies perpendicular to the chopping board but a shot later it's parallel to it. (00:32:53)
Continuity mistake: When Carrie places her blue shoes on the shelf of her brand new walking closet, her right hand lies near the shoes or several inches away, depending on the shot. (00:30:19)
Continuity mistake: While reading in bed, Big's right hand is either by Carrie's elbow or shoulder, depending on the shot. (00:21:59)
Continuity mistake: When Carrie reads the Beethoven poem her right fingers disappear from the book in the close-up shot.
Continuity mistake: During lunch, Miranda is pinching food in one shot but a split second later she is drinking from a glass without having grabbed it nor raised it. The scene takes place in real time. (00:12:00)
Continuity mistake: Carrie holds the Vivienne Westwood card with her right hand, but a shot later she holds it with both hands.