The DVD commentary explains that the "H" in "H. Brian Griffin" does not stand for anything and was a way to express Brian as a pretentious douche.
Third appearance of James Woods but his first appearance in an episode that does not have his name in the title.
Quagmire appears at Brian's viewing party, even though he hates Brian, as revealed in Jerome is The New Black.
Meg's room has a poster of Beyoncé. Visible when Meg catches Chris in her room reading her diary.