Ted has Robin's song "Let's go to the mall" as his ringtone.
Alyson Hannigan (Lily) makes a brief appearance at the end of this episode, but is still clearly pregnant with her first child, despite the loose dress and the attempt to hide her midriff behind a very large purse/bag.
The character name Richard Greenleaf is an allusion to the character Dickie Greenleaf in The Talented Mr. Ripley (1999).
Alyson Hannigan makes a brief appearance in this episode after having just given birth to her first child, born March 24, 2009.
The first time Barney recounts the story of getting pulled over by a female cop, he winks with his right eye. The second time, he uses his left.