The 200th episode of the series.
When Francine is running after the garbage man, the song from Ferris Bueller's Day Off plays, the scene where he is trying to get back to his house before his parents. When Francine talks to the two girls this is a homage to that scene.
When principal Brian Lewis tells Stan he "swears by the old gods and the new;" this is reference to the show Game of Thrones.
During Francine running for the garbage truck the same music from Stewie Griffin: The Untold Story (2005) when Stewie is running to the swimming pool is heard, this is in reference to "Ferris Bueller's Day Off."