When Moe Szyslak wheels his cart through the street crying out "Bring out your bed!", it is a parody of what street collectors of bodies used to cry out during the Black Death, "Bring out your dead".
The Parson is a parody of Bing Crosby. When he drives his golf cart (with golf clubs in back) into the church and says "Pray through?", it is a parody of golf course etiquette "Play through".
Sideshow Mel's use of "in cardigan" referring to The Parson's sweater is a play on the word "incarnate".
Inside the Oogle van, one of the operatives says "We collected all of the personal information from Flanders-Common-Ned", in a reference to the 2010 Google scandal, when Google downloaded private Wi-Fi data.
This is the first time that a couch gag continues directly into an episode.
In Latin America, this episode was released as the 19th episode of the season for unknown reasons.
The two plagues of the episode (bugs followed by frogs) are based on a real-life fact: in 1859, merchant Thomas Austin imported 24 Oryctolagus cuniculus European rabbits who were brought into Australia. In a few years, they procreated into millions and became a plague threatening to wipe off all Australian crops, then the government ordered to bring foxes in order to eat and diminish rabbit offspring, but soon the foxes also overpopulated and became another, even worse epidemic.