Cristina Yang narrates this episode.
Every episode is named after a song, both Diana Ross and Enrique Igleasias sing "Do you know?".
Anne Dudek and Charlie Hofheimer both played recurring characters on Mad Men (2007), though never together. They also both guest-starred on Numb3rs (2005) in successive seasons. Furthermore, they both guest starred in Castle (2009), Rizzoli & Isles (2010) and Private Practice (2007) but not in the same episodes. Finally, they both appeared in House (2004)'s episode 97 Seconds (2007).
Anne Dudek has also guest starred in an episode of Private Practice (2007) (Drifting Back (2012)), Grey's Anatomy (2005)'s spin off but she played a different character.