The kids in the board game box are looking at Funopoly, a parody of Monopoly.
Bart thinks Lisa is talking about Twister, the game of physical skill.
Homer prays that if dies in the tornado, he wants to be taken to Oz. However, he doesn't want Flanders to be the scarecrow. These are references to the magical country and the character from The Wizard of Oz, respectively.
The scene of the two people greeting while being on a rowing boat in a tornado is a parody of the "It's a Twister!" scene from the 1939 film The Wizard of Oz.
Marge was scared when she found out Keith and his girlfriend were from the Mid-Atlantic as it was the place where the crime drama The Wire was filmed. More specifically, the series is set and produced in Baltimore, Maryland.
Portia has a BA at Princeton University and an MA at the University of Oxford. Portia turned down attending Rhodes College because she considered Cecil Rhodes a racist. Rhodes's views on race have been debated by critics who have labelled him as a supporter of apartheid and a white supremacist.
Homer is going to look for Mav and Portia on Google.
Mav thinks the kids are more awesome than the breaks at Waimea, Hawaii. The surf break at Waimea Bay was significant in the development of Big wave surfing.
Partia and Mav decide to go to Bali, Indonesia after the kids prefer to stay with their parents.
Ling Bouvier, who was previously seen as a baby, was seen to have aged a couple of years. This makes Ling one of the few characters on the show to have physically aged since the show began.
