On the white board with the photos and info of Charles marriage, the marriage certificate contains accurate data like names, dates, address, and according signature. Also, Charles was 31 and Eleanor was 32 when they got married.
It is revealed that Charles is infertile.
Steve Tom, who played the 90-year-old priest that Charles' ex-wife wanted threatened, was only 62 at the time of production.
Kathryn Hahn, who plays Eleanor, also appeared in several episodes of Parks & Rec, another Michael Schur series
During the first season, Boyle says that his ex-wife pays him alimony, and that he lives in her basement. In this episode his ex-wife lives in the 2nd floor of an apartment building, meaning she doesn't have a basement. It is also said that she gets 85% of his salary.