B.J. Novak wore a baseball cap in public between the times his hair was dyed and when the episode aired in order to make the reveal a surprise. He kept the cap on when he and the rest of the cast and crew did a public forum and Q&A session.
Mindy Kaling thought of the idea of Ryan dying his hair blond.
In the beginning of the episode, in Michael's condo, the flat screen TV that Jan broke in the dinner date episode can be seen still hanging on the wall. It is possible he either got it fixed or got a new one.
According to the letter held up by Pam, Michael's condo is at 126 Kellum Court, Scranton, Pennsylvania 18510. While the postal exists, the house number does not.
New boss Charles walks out of his office to find Andy looking at what appears to be a screen-saver with a series of photos of football. A photo appears of two players, taken from an A-League (soccer) game between Central Coast Mariners and Perth Glory, played in Gosford, Australia, on 31 December 2008. The players in the photo are Marc Anthony (Perth) & Matthew Osman (Central Coast).