When Hobbes picks up the wanted poster for rebels in the Pittsburgh Encampment, he is looking at the front of it and then as we see it from the back it is plainly flipped as you can see through enough that it should have been reversed.
Due to the lawsuit filling the text "Created by Chris Carter" was changed to "Inspired by the Harsh Realm comic book series, Created by James D. Hudnall and Andrew Paquette, Published by Harris Publications, Inc."
The theme music contains samples of speeches given by Benito Mussolini.
The songs used in the episode are:
Moby "Run On"
Rob Zombie "Super Beast"
The title of the episode is inspired by the title of the 1651 book Leviathan by the philosopher Thomas Hobbes.
The farmhouse used in this episode is the same construct as the one used in The X-Files episode "Home".
John Cabot is named for a 15th Century explorer.