Continuity mistake: When Carrie cries "Engaged!" her hands are holding her head, but from the opposite angle they disappear.
The turtle and the hare - S1-E9
Continuity mistake: Miranda says "I know where my next orgasm is coming from" and all the girls look at each other. Sam is holding a glass with her right hand, but a shot later the glass is nowhere to be seen on the table and now she has a fork and is eating.
Continuity mistake: When the blonde woman is about to join Charlotte and her date, he has his jacket halfway down. A shot later it's back up.
Continuity mistake: While Carrie strolls through Central Park with friends there's a living statue version of Lady Liberty behind, standing and talking to people. A shot later the people are gone and the statue is seating on a bench.
The drought - S1-E11
Other mistake: When Carrie is trying to kiss Big, the reflection on the TV doesn't match the opposite side: The lamp and Carrie are missing.
Take me out to the ballgame - S2-E1
Continuity mistake: At the stadium, when Sam orders a beer Carrie's leg is either on top of the chair or in between two chairs, depending on the angle.
Twenty-something girls vs. thirty-something women - S2-E17
Continuity mistake: When Samantha meets the doctor at the beach her legs are crossed or not depending on the angle.
Continuity mistake: Miranda pinches a bunch of lettuce, but in the next shot they transform into a tomato.
They shoot single people, don't they? - S2-E4
Continuity mistake: When the episode ends a lighting screen is reflected on Carrie's lenses.
Visible crew/equipment: Lighting screens reflected on Carrie and Sam's lenses while they have a snack at the flea market.
The turtle and the hare - S1-E9
Visible crew/equipment: Lighting screens reflected on Turtletaub's glasses when Sam says he's got a facial at 3.
Continuity mistake: When Stanford tells Carrie that she has to have a shrink, a man suddenly appears behind and the kid next to him changes positions between angles.
Take me out to the ballgame - S2-E1
Continuity mistake: James walks towards the cab and kisses Sam goodbye, shot changes and he walks away backwards. Back to a shot on Sam and now check the reflection on the window below - James is now really close to the taxi and walking backwards again.
Continuity mistake: After Charlotte has had sex in the honeymoon suite, her boyfriend's hair is all messed-up. A shot later it's perfectly brushed.
Continuity mistake: When the breakfast scene is about to end, Miranda stabs her fork on the food. A shot later she has vanished from the spot.
Take me out to the ballgame - S2-E1
Continuity mistake: When Miranda is replied about "Charlotte's boyfriend's balls" she grabs a mug. A shot later she's got a wallet instead.
Continuity mistake: When Miranda tells the girls that she met someone at the gym she grabs a mug. A shot later it's on the table.
Take me out to the ballgame - S2-E1
Continuity mistake: During breakfast, when Miranda says "Big's out of the picture" the newspaper disappears from the table.
Continuity mistake: During the walk at night, after they cross the street and talk about "thinking delusional", a bunch of people appear out of nowhere between shots. (00:07:28)
Answer: Yes, it is.