This page contains trivia for "Two Days Before the Day After Tomorrow". Remember, trivia must be factual, provable, and it is always best to cite your source for not-so-obvious trivia. If you would like to dispute a trivia point, please discuss it in the article comments.
This episode is a parody/statement of the Katrina disaster in New Orleans.
This episode premiered on Trey Parker's 36th birthday; October 19, 2005.
The Crab People theme plays in the background after they are accused of being responsible for the flood, and several people looking around for the source of the music, implying it could be heard by the characters and not just the audience.
This is one of the few episodes where Cartman and Stan are joined together and primary focus without Kyle, Kenny, Butters or another friend.
Randy Marsh states that the temperature outside will fall to over 70 million degrees below zero. It's obvious that this is absurd, but it's also against the laws of physics. The lowest temperature possible is −273.15 degrees celsius.
The claim that one of the last stages of hypothermia is a feeling of being too hot is a reference to a real phenomenon known as "Paradoxical Undressing.”
The people of South Park one-by-one saying, "I broke the dam," is a reference to the 1960 film Spartacus where the slaves each say they were Spartacus to hide his true identity.
A large deal of this episode - including the title - are lifted from the disaster film The Day After Tomorrow. Among the references are Stan's near-underwater phone call, the expedition to retrieve the children, and Randy drawing on the Government's map of the US.
The Crab People are blamed as a cause of the Beaverton Flood. They were last mentioned in "Quest for Ratings".
Cartman claims to have an uncle Roy at the start of the episode. However, Stan has already met all of Cartman's extended family in "Merry Christmas Charlie Manson!". In fact after they crash the dam and Stan tells them not to panic and tell his Uncle Roy, Cartman admits he doesn't have an Uncle Roy and the boat belongs to "some guy's boat I knew about!"
One of Mrs. Garrison's breasts is damaged in this episode and leaks its contents. The damage done to the breast can be seen again in "Go God Go", where one of her boobs is smaller than the other.