Trivia: As of this episode, credits change due to the 9/11 attacks: Twin Towers next to Sarah Jessica Parker's name and the show's title are replaced with the Empire State Building and a different skyline, respectively.
Continuity mistake: When Trey shows up at the diner his hand is away from Charlotte or cuddling her arm, depending on the shot.
Continuity mistake: When Charlotte leaves dinner to argue with Trey she leaves her napkin on the table, but it disappears a shot later. A shot later it reappears.
Answer: Yes, it is.