Harold Waldorf mentions Blair's favorite movie in which a cat is called "Cat". This film is Blake Edwards' "Breakfast at Tiffany's" (1961) starring Audrey Hepburn. The actress and the film are both huge influences throughout the first season with numerous allusions made about them.
Each episode's title (except the pilot) is based on the name of a film or book. This episode is a direct copy of 'Roman Holiday'