- Prop Recycling: The Bison Bud's Bar sign will appear again in "Free to be You and Me" (S05, E03), "Two Minutes to Midnight" (S05, E21), "The Great Escapist" (S08, E021), "Holy Terror" (S09, E09), "Angel Heart" (S10, E20), and "Advanced Thanatology" (S13, E05).
- In Memoriam: The entire season to Kim Manners, a director and executive producer of the series who died on January 25, 2009. The X-Files will also have a tribute to Kim Manners in the form of a gravestone easter egg in the episode "Mulder and Scully Meet The Were Monster".
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