Coming to Homerica/References

Cultural references

 * The name is a reference to the film .
 * The house from the Pixar film  can be seen in the background when Lenny and Carl are monitoring Springfield from the air.
 * The chair with balloons is itself a parody of Father Adelir, who tried to fly with balloons of helium.
 * The Ogdenville citizens are descendants of Norwegian immigrants, and the episode was aired on May 17 - the day Norway celebrates its Constitution.
 * When Homer first tries Aquavit, he gets drunk immediately and his head hits the table and he says "More aquavit please", a parody of the "More ovaltine please" line.
 * During the closing of Ogdenville, the packed trucks and the grandmother placed on top of one is a literature reference to  by John Steinbeck.
 * When the Ogdenville citizens are packing up to leave town, it is referencing "", even the music
 * The music played after the farm failures in Ogdenville is "" From Peer Gynt Suite by Edvard Grieg, a famous Norwegian composer.

Trivia

 * Even when Eddie is off-duty and sick in bed, he still wears his cop hat.

Goofs

 * It seems a little strange as to why all the Ogdenvillians would go to Springfield and not neighboring cities.
 * When Chief Wiggum is at the checkpoint, he mentions to Lou that Springfield only has three police officers. Later, after the completion of the wall, five Springfield Police officers are shown in uniform, with an additional three in a SWAT element.
 * In the scene where Lou is talking with Clancy, his mouth disappears for a frame.
 * In the shot of Mayor Quimby, Lindsey Naegle and various others standing around the fence plans, Principal Skinner has Superintendent Chalmers' colors.