Continuity mistake: When Smith shows Sam the invitation, the grip on the card differs between shots.
Continuity mistake: When Miranda and Steve are drinking beer he says "I don't wanna lose you again", and suddenly Miranda's arms appear on her chest. (00:01:43)
Continuity mistake: Carrie grabs the fork and knife with her left hand, but a shot later the knife disappears. (00:04:23)
Continuity mistake: Sam grabs the InTouch magazine from the sides, but a shot later she is grabbing it from the upper part. (00:08:18)
Continuity mistake: When Sam is showing Charlotte and Carrie the inside of InTouch magazine, Sam's hand is on the left page, but it disappears in the close-up shot. (00:08:30)
Continuity mistake: When Carrie and Alek dance at McDonald's, the clerk puts down a french fries container and stares at them. Shot swaps to a wide angle of the couple continuing their dance moves in real time, though now the clerk is away, giving her back to the couple. She turns around, walks towards them again, but this time she places a burger on the tray. (00:19:09)
Other mistake: When the plastic surgeon is giving Samantha a breast exam, you can tell that he isn't really examining her breast. He is actually moving his hand in a circular motion in the air above her breast pretending to give her an exam, but is touching her hospital gown instead. (00:20:20)
Other mistake: At Steve and Miranda's wedding, Charlotte is holding baby Brady, who looks younger than a year (around 8 months) and is using a pacifier. But in 2 episodes prior, they celebrated Brady's 1st birthday and the actor who played Brady looked way older than the Brady at the wedding. I know they cast different kids, but it seemed as if Brady aged backwards.
Continuity mistake: When Alek and Carrie are about to dance at McDonald's, her left hand lies on the counter, but appears next to her forehead a shot later.
Continuity mistake: When the doctor examines Sam's left breast, the strap on her right falling from her robe changes positions between shots.
Continuity mistake: Carrie offers Alek a french fried potato zigzag shaped, but when she says "It's French" it swaps to straight.
Continuity mistake: Alek orders a burger and Carrie slouches and slides down to rest on the counter. From the opposite angle she is standing tall.
Continuity mistake: When Alek is ordering a burger, the way his hand is bent against his face differs between the front and back shots. After he says "Absolutely!" his hand is lowered, then it's raised again.
Continuity mistake: When Carrie unties the knot in the parcel, all corners of the ribbon differ in style and length between the wide and the close-up shot.
Continuity mistake: On the way to the opera, when Alek stops to watch the musicians, Carrie stands perpendicular to him. A shot later they're both parallel in front of each other.
Continuity mistake: When Steve's foot gets stuck in the gum, the passers-by are not continuous between shots.
Continuity mistake: When Miranda's plastic bag breaks open, the stuff gets scattered all over the curb. A shot later it's all piled right next to her foot.
Answer: Yes, it is.