The voice of "the man on Pennsylvania Avenue" was from Lyndon B. Johnson but as clips, played backward, from the televised State of the Union Address recorded January 4, 1965.
Lisa sees the Executive Producer, Writer, and Director credits on Oliver's towel, a storage crate, and Oliver's bathrobe, respectively.
The alternate plane the locals choose for their flight to Paris came from atop the High Flyer Diner on Highway 27, owned by one of Haney's cousins.
Lisa determines that for four weeks in Europe, she will need to pack four dresses for each day (morning, afternoon, cocktails and dinner) for a total of 112 outfits.