B.J. Novak's brother Jesse, a musician, contributed in writing the song that some of the characters sing in the episode.
Angela Kinsey was not present for the filming of the rooftop waving scene, because she was at her first doctor's appointment for her pregnancy. She, along with Mindy Kaling, who was also not there, were added in digitally.
This is the first mention of the Nashua, New Hampshire branch.
The jingle Andy has stuck in his head but can't finish is from a Kit-Kat commercial. The missing words are 'Kit-Kat bar'.
When they are getting ready to shoot Andy's part of the ad that is outside, he is still trying to figure out the rest of the Kit-Kat Bar theme song. As he is trying out different products in the song, he sings "Snickers Bar". This is the closest that he gets to "Kit-Kat Bar".