Running with scissors - S3-E11
Continuity mistake: When Samantha is in the waiting room to get her results for the AIDS test; the wide shot shows two women seated in the orange chairs on the left. One of them has a pony tail and glasses. A man with dark hair is also seated in the chairs on the right. But when we see the waiting room again right before Samantha faints; only one woman is seated in the orange chairs on the left, and the woman with the pony tail and glasses has moved down, and over to the far yellow chairs on the left. There is also a second man in a blue shirt seated closer to Samantha, in the chairs on the right. This entire scene occurred in seconds; and there was no time for anyone to have gotten up, sat down or moved locations. (00:18:50)
Running with scissors - S3-E11
Continuity mistake: When Carrie is in Big's kitchen, and hears Natasha come home, she tries to leave in a hurry. She puts on her blue levi jacket, so it's about halfway on with her left arm in the sleeve. But in the next shot of her, Carrie is suddenly wearing only her pink bra and carrying the blue jacket. As she unlocks the door and starts running down the stairs, she throws on the blue levi jacket for the second time. (00:25:15)
Running with scissors - S3-E11
Continuity mistake: When Sam asks the girls if they have had an AIDS test, Carrie's hand is on top of the magazine, but then it jumps to to the edge of the magazine.
Don't ask, don't tell - S3-E12
Continuity mistake: When Aidan says he'll buy a love seat, Carrie stops fixing her earring and touches her face. When the shot changes she is fixing her earrings again. (00:18:51)
Don't ask, don't tell - S3-E12
Continuity mistake: When Miranda is speed dating, a bell rings and the man she's with shakes hands with her. In the following shot he is extending his arm and shaking hands again.
Don't ask, don't tell - S3-E12
Continuity mistake: When the fake doctor tells Miranda he always wanted to sleep with a stewardess she has her arms up and standing out over her left shoulder, but they disappear in the angle shot from behind.
Don't ask, don't tell - S3-E12
Continuity mistake: While at Aidan's workplace, when Carrie kisses her she places her thumb next to his mouth, then it jumps to over his sideburn and then it jumps to being on his neck.
Don't ask, don't tell - S3-E12
Continuity mistake: When Carrie goes to see Aidan working, she crouches and talks to him face to face. Half a second later she is standing taller than him.
Don't ask, don't tell - S3-E12
Continuity mistake: When the girls are in a bar, the people behind Miranda don't match between the first wide angle and the first close-up. Then in following shots it's fixed.
Don't ask, don't tell - S3-E12
Continuity mistake: During rehearsal dinner Carrie says something about kilts when a woman in blue and a man with a grey suit walk behind her. Shot changes to Sam and Miranda on the left, where the couple just walked by and they suddenly reappear repeating all previous movements. Seconds later, Sam stands up and the couple is sitting and standing up for the third time.
Don't ask, don't tell - S3-E12
Continuity mistake: When Miranda says she's going to date a doctor, Sam is drinking with her right hand and then putting the glass down, but the shot changes and she's using her left hand instead.
Don't ask, don't tell - S3-E12
Continuity mistake: When Miranda blind dates Dwight Owens, he puts the beer on the table twice.
Continuity mistake: When Carrie leaves breakfast, the waitress disappears between shots. (00:03:32)
Continuity mistake: Carrie is trying to drive a car up a hill and a grey car drives close to them very slowly. When the car is side by side to Carrie, the shot changes to a wide angle and the grey car has vanished.
Continuity mistake: When Carrie gets to the WB Studios and stops at the guard's place, the image alternates between close and wide shots. The cars and people surrounding Carrie are totally different depending on the shot.
Continuity mistake: When Carrie is on the WB set smoking, her handbag is next to the railing. When the guard arrives, the bag is closer to Carrie.
Continuity mistake: When Matthew McConaughey cries "That's bullshit, Carrie!" he extends his right arm. A shot later he's extending his left.
Continuity mistake: After Carrie says "Thank you, Matthew McConaughey", his hands have no continuity between shots.
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.
Answer: Yes, it is.