This is the first mention of Julia, the love of Richard's life who broke his heart. Julia would later return at the end of series 2 and throughout series 3. It's also the first mention of "Sincere Amore" the love you never have to question, which would crop up again on a few occasions.
It could be considered an early indication of a connection between Caroline and Richard that Richard mentions Sincere Amore to Caroline and then she uses that as a reason not to be with Del only a few minutes later.
Caroline: Thanks for answering my ad, Mr. Monroe.
Monroe: It's just 'Monroe'. One word, like 'Picasso' ... or 'Cher' ... or 'Satan'!
In the UK edition of the DVD this episode is in the special features menu.
In Brazil, Caroline in The City received the name "Tudo Por Um Gato" (Everything For a Cat).
Germany: June 14, 2002 on RTL
Guest Ladman returns later in the recurring role of "Elevator Lady. "