This episode had originally been conceived as a series finale due to the impasse between the show and Fox about how much of a pay cut the show's people should take in order to reduce production expenses.
The names of Bart's two sons are never stated, though show-runner Al Jean responded to a question on Twitter that their names are Picard (older) and Kirk (younger).
This episode takes place in November 2011 and December 2041.
One of the possible destinations at the airport is New New York. This is a reference to another TV series created by Matt Groening: Futurama.
This is the only future themed episode not to be a structured story told to a member of the family. The episode starts in the present then cuts forward to thirty years in the future through a photo montage.