Season 1, Episode 10
When June's granddaughter is taken of an organ wait list, she is approached by a "charity" organization who wants to help, but only for a donation. Neal bring Peter in to investigate.
Mozzie: A New Yorker who doesn't take the subway is not a New Yorker you can trust.
Neal: I don't take the subway.
Mozzie: Precisely.
Neal:Whoa. Whoa. You haven't flirted in the 21st century?
Peter: No.
Neal: If he weren't so dirty, I'd almost respect him.