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* Klaus only has a single line in this episode which Dee Bradley Baker notes as his favorite.
* When the Smith family is getting the letters, the song is "Divine Image" by Michael Joseph Murphy.
* The cover of "Carol of the Bells" is by the band August Burns Red.
* Roger breaks character to lament the plight of Ned Beatty, who despite playing many other roles since, is still most famous for being "rammed in the woods" in Deliverance.