When J.D. goes to Elliot's apartment late in the episode, Dido's "Thank You" is playing on her stereo. He asks Elliot who the singer is and when she answers, he suddenly realizes that his brother is there and brought the items he got for their romantic evening. He quickly notices these items in the room, including Dido's "Life For Rent" CD. The mistake? "Thank You" is on Dido's "No Angel" CD.