- The episode's title is a pun on the term "Season's Greetings".
- The plot with Hayley and Jeff's child turning out to be the Anti-Christ is an homage to the 1976 horror film The Omen.
- The Aramaic phrases Steve chants while under Nemo's control are the text of chapter 5 of the Book of Daniel, specifically the "writing on the wall".
- Nemo's head starts spinning and vomiting like Linda Blair's in The Exorcist.
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