Continuity mistake: When Aidan and Steve argue about who's going to the toilet, Steve leans forward, but from the angle shot from behind his back is against the seat.
Continuity mistake: When Aidan says he's going to the toilet, Miranda's drink is on the table, but a shot later she is drinking. Then she lowers her hand but from the opposite angle she already has it lowered.
Continuity mistake: While having dinner with Steve and Aidan, the latter has his hand next to Steve's neck, but it disappears in the angle shot from behind.
Continuity mistake: While eating, Sam says "wait for the signal" and grabs the cutlery. A shot later her arms are lowered behind the table.
Continuity mistake: When Miranda talks about her date licking her butt, the food on her fork disappears between shots.
Continuity mistake: At the store, Tricia's daughter is looking at the left or straight on, depending on the angle.
Continuity mistake: When the girls are drinking Martini, Miranda lowers her glass twice.
Continuity mistake: When Carrie confesses Charlotte that she is calling Aidan, the dancers moving and waving their arms wildly behind Charlotte disappear between shots. One might argue that it's because of the angle of the shot, but they're all moving around all the time and at least their arms should be visible.
Continuity mistake: During dance class, when Carrie confesses she calls Aidan, the same woman walks behind her twice.
Continuity mistake: During dance class, when the teacher says "every movement has a meaning" Carrie's right arm is down or raised depending on the shot.
Answer: Yes, it is.