When Peter says that Meg's marriage is more beautiful than virgins in heaven waiting for a suicide bomber, it is referring to the reward said to await martyrs. A similar reference occurs in "Saving Private Brian".
The scene where Cleveland is evacuated to the Quahog Stadium is a reference to people who took shelter in the Louisiana Superdome during Hurricane Katrina in 2005.
When Michael comes in to check on Meg, Peter asks if "Scrubs" and "Black Scrubs" work there. He is referring to Dr. John "JD" Dorian and Dr. Christopher "Turk" Turk in the TV show Scrubs.
The Sanka commercial with the dancing old ladies is a parody of an early Fanta commercial that featured dancing women.
The scene in which the word "Indigestion" appears over Peter's stomach, accompanied by a deep voice saying "INDIGESTION", and then the word "Diarrhea" appears on his butt, with deep voice saying "DIARRHEA", is a reference to very early Pepto Bismol commercials.
The multiple repeats of the gasoline explosion are a reference to action films, which replay a real thrilling sequence, often a large explosion, in order to build incredible excitement, and also to justify the colossal expense of the numerous camera angles set up to capture these shots.