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 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: Charlotte asks Trey for the guest list and he hands it to her wit his left hand. A shot later he holds it with his right hand.
Continuity mistake: When Miranda and Steve walk down the street there are a group of workers behind them and a truck on the right. Suddenly they all vanish and both are meters ahead.
My motherboard, my self - S4-E8
Continuity mistake: After Carrie is told that her computer is wasted, she is home looking at the phone, which is facing the keys. A shot later it has turned 180ยบ around.
Continuity mistake: When Carrie debates with Miranda whether to call Big or not, Carrie holds the pillow close to her chest in one shot, but over her thighs in the other.
Continuity mistake: When Oliver spots Carrie's engagement ring she drinks Martini and the toothpick holding the olives is next to her mouth, a shot later it has magically moved next to her hand, but a shot later it's nowhere to be seen.
Continuity mistake: When Carrie and Aidan are in bed together, he hands her the second picture and she holds it with two hands. A shot later she is holding it with one. A couple seconds later she finally grabs it with both.
Continuity mistake: Books on top of Charlotte's fireplace fall down between shots. (00:10:02)
Coulda, woulda, shoulda - S4-E11
Continuity mistake: While having breakfast, Charlotte says "what's not about me" and red berries suddenly appear on Sam's fork.
The big time - S3-E8
Continuity mistake: While in bed with Aidan Carrie's left arm position has no continuity between shots, specially when she toys with his necklace with her right hand but a shot later it's the left hand.
Continuity mistake: At Charlotte's, Sam reaches for the Martini on the fireplace and turns around. A shot later she is reaching again for the Martini and turning around again.
Continuity mistake: When Aidan is cooking, two set lights are reflected on the cupboard.
Visible crew/equipment: When Charlotte shows Tray the refurbished bedroom, a squared set light is reflected on the wardrobe.
Continuity mistake: When the tomato jar crashes on the floor, the splatter changes shapes between shots and the label disappears in the second shot.
Continuity mistake: When Miranda drops the paper bags on the floor a lettuce and a bottle of water fall out. Seconds later the stuff changes completely: The bottle is gone, the bags are in a different position and, best of all, Miranda's leather bag (which was previously hanging on her shoulder and suddenly disappeared between shots -listed mistake-) magically reappears on top of the mess.
Continuity mistake: When Miranda lies on the rug, the phone is next to the upper part of the rug. When the shot changes, it lies on the middle part, away from the rug.
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.
Continuity mistake: When the waitress brings Charlotte's breakfast, a shot later the waitress is magically gone, Charlotte's hand is on the mug and, last but not least, the blue napkin disappears.
Hot child in the city - S3-E15
Continuity mistake: While doing the chicken breast fight, Wade wets Carrie's tanktop slightly, then he leans over the balcony and when we see Carrie again her tanktop is magically wetter. Then she leans over and its drier, but when she enters the house it's soaking wet.
Answer: Yes, it is.