The license plate of the Popemobile reads ZL PA PA and IL PA PA. "Il papa" means “the Pope” in Italian.
After Brian mentions the Old Testament story in which "God told Abraham to kill Isaac," a cutaway shows President Abraham Lincoln shooting bartender Isaac from The Love Boat.
Peter imagines his father-son business with himself as Lamont Sanford and his father as Fred G. Sanford of Sanford and Son.
Peter says that baseball worked as a means of male bonding that worked for Rosie O'Donnell and his dad in A League of Their Own, a 1992 film depicting the founding of the All-American Girls Professional Baseball League.
The Pope comments that he doesn't think that he is in Boston, and Peter supposedly points out Harvard, but instead points to a barn. When the Pope says "That's just a barn," Peter replies "Ohh, someone went to Yale!", a nod to the fierce rivalry between Yale and Harvard.