The Chet Curtis and Natalie Jacobson that Nancy refers to were husband-and-wife news co-anchors for Boston's ABC affiliate WCVB.
Frank's ball caps read "Wide and Tight", "Delete" and "Night Beast".
When Liz brags about being the best manager of all time, Jack jokingly asks if Kiyoshi Kawashima of Honda was in the building. Kiyoshi Kawashima was actually a Japanese war criminal in the Second World War, a major general of the infamous Unit 731 that used the black plague as a bio-weapon on Chinese civilians.