Continuity mistake: In the bathroom, Big says "I feel like I'm disappointing you" and touches his face with his right hand. A shot later his arm is lowered. (00:54:20)
Continuity mistake: When Carrie is buying shoes at the souk, the seller's hands are on the counter or not depending on the shot.
Continuity mistake: On the plane, the stewardess places a cocktail in front of another glass, but one glass disappears in the immediate next shot.
Continuity mistake: In the bar in the plane, Miranda puts down her pencil. Close up of her hands and she is putting it down again. Wide angle of her and it's back in her hand. (00:57:57)
Continuity mistake: When Big tells Carrie he wants a place of his own, the pink ribbon on the shelf keeps changing positions between shots. (00:52:47)
Continuity mistake: While having breakfast, Carrie drinks from her mug, but it disappears in the angle shot from behind her.
Continuity mistake: During breakfast, Lily exits to the right but disappears in further shots.
Continuity mistake: When the girls are having breakfast, Miranda is pinching food and eating it, then a shot later her hand is lowered, but a shot later the fork is gone. All in a matter of two seconds. (00:49:10)
Continuity mistake: When Charlotte watches Erin bathing Rose, she places her hand on the door frame. In the POV shot Charlotte's hand disappears.
Continuity mistake: When Carrie gives Big the gift, the ribbon around the box changes style between shots.
Continuity mistake: Carrie places the gift box on the table skewed, but when the shot changes it is lying straight.
Continuity mistake: During dinner, Big's right arm swaps between raised or lowered depending on the shot, this changes back and forth. (00:34:05)
Continuity mistake: When Carrie and Big's anniversary home dinner starts, she's picking food with her right hand and taking it to her mouth. When the shot changes her hand is lowered, and she's holding a knife.
Continuity mistake: When Erin is bathing Rose, Erin's hair is dry but in the close-up it's wet. It isn't until several seconds later that she gets showered all over. (00:29:40)
Continuity mistake: When Erin arrives, Sam's grip on the glass of water changes between one shot and the very next one, a mere frame later. (00:23:35)
Continuity mistake: When Sam asks who Erin is, her right hand swaps between being raised or not between shots. (00:23:18)
Continuity mistake: When Sam swallows the bunch of pills during lunch, she leans her head backwards, but from the opposite angle it's straight.
Continuity mistake: Charlotte says her young daughter just learned the word no. The older girl is facing the right side, but a shot later from a different angle she's facing the opposite side. (00:23:01)
Continuity mistake: When Sam shows the thick book to the girls, the position of her right hand changes between shots.
Continuity mistake: When Big tells Carrie's fans that they've been married for two years, his right arm is raised or lowered depending on the shot.
Answer: In the script.