This is the first of four episodes to feature Vernee Watson as a nurse. Vernee Watson was also on "The Big Bang Theory (2007)" as a nurse. Both "The Big Bang Theory (2007)" and "Two and a Half Men (2003)" are shows created by Chuck Lorre.
Episode title spoken by Charlie, to Alan.
Charlie tells Judith his number is 310-lickme. That is only 9 digits. A telephone number, with the area code, is 10 digits.