Continuity mistake: When Sam wants to return the neck massager, it has cables tangled all around or not, depending on the shot.
Continuity mistake: When Miranda's neighbour is scolding her, the neighbour's head is tilted sideways. Then she straightens it up but from the opposite angle it remains tilted for several seconds.
Continuity mistake: When Charlotte is signing her divorce papers, there is a close-up of Harry's face leaning over her. It's covered with large drops of sweat, some of which drip onto the paper. But in the next shot of Harry when he is standing up, he isn't nearly as sweaty. Most of the perspiration on his face seems to have disappeared. (00:07:00)
Continuity mistake: In the train, Carrie says she needs a drink and takes her arms towards her head. From a different angle her arms are lowered and she is raising them again. (00:09:21)
Revealing mistake: After Carrie leaves the hotel bathroom, Samantha is getting out of the tub. In the mirror behind her, you can see that Kim Cattrall (Samantha) is wearing some sort of dark pink undergarment below her waist to hide herself. (00:19:35)
Continuity mistake: Carrie asks Big what he thought abut the book while he lowers his glass. A shot later his glass is raised and he is lowering it again. (00:21:14)
Audio problem: When Samantha and Carrie are in their room on the train, Samantha starts to pour herself a glass of champagne. We hear it pouring for a few seconds until it sounds like the glass is full but when she puts the bottle down, there's barely anything in her glass.
Continuity mistake: Carrie kisses Big and caresses his right cheek. A shot later her hand is nowhere to be seen.
Continuity mistake: After Mr. Big swallows the gum he puts his left hand on his chest. A shot later it disappears.
Continuity mistake: After Harry grabs the tissue paper, The one sticking out of the box changes shape between shots.
Continuity mistake: In the train, before and during the moment when the waiter asks Sam what she wants, her menu keeps changing positions in every shot: sometimes it's slightly raised, others it's about to be raised, and once it lies flat on the table.
Revealing mistake: While Carrie and Sam are in the bar car, the train bumps and the passengers swerve to the left.Problem is, they do not move in sync, revealing the camera trick. The first one to move is the girl in front, and a second later the woman on the left moves.
Continuity mistake: When Sam says the men are boring like her scallops she drops the cutlery. The fork is either lying sideways or face-up depending on the shpt.
Revealing mistake: When Miranda comes home from work and takes off her black jacket, her black dress underneath is tight. You can tell how pregnant Cynthia Nixon is when she lies on the bed with Steve. (00:08:05)
Visible crew/equipment: Sam says "this party's gonna be amazing, A-list" and a black shade used for lighting is reflected on her sunglasses. (00:09:27)
Revealing mistake: When Carrie and Berger are talking on the grass, Berger suddenly gets up to leave. He grabs his jacket which Carrie is sitting on, knocking her over. As she falls back, you can see her quickly pull the front of her shirt over herself to make sure it covers her pregnant belly. Also, as Carrie starts to get up, there is a point where her shirt falls forward, and you can see Sarah Jessica Parker's pregnant bulge from the side. (00:18:35)
Revealing mistake: During this scene, Samantha throws a cantaloupe through the window. As Sarah Jessica Parker reacts to the incident, you can see her very pregnant belly from the side, especially as she bends over. According to the commentary, she was about 7 months pregnant at the time. (00:20:15)
Continuity mistake: During brunch outside, Miranda's bite on her muffin changes shape between the side and the front shot.
Continuity mistake: During the girls' chit-chat, the amount of ice tea in Miranda's glass suddenly decreases between shots.
Continuity mistake: While eating outside with Miranda and her baby, Carrie takes a french fry to her mouth, but her hand suddenly disappears in the following shot.
Answer: A popular brand of sexual lubricant. See http://www.k-y.com/index.jsp.
J I Cohen