Injoke: There are references to the works of H.P. Lovecraft scattered throughout the episode:
- Dr. West is named after Herbert West, the character in Lovecraft's Herbert West--Reanimator, and who appeared in the 1985 movie Re-Animator and its two sequels, and was played by Jeffrey Combs.
- Stuart Gordon, one of Dr. Paris' patients, is named after Stuart Gordon, the producer of Re-Animator.
- Paris' other patient, Crampton, is named after Barbara Crampton, who co-starred in Re-Animator.
- The Dunwich Medical Hospital is named after the fictional town that is the setting for Lovecraft's The Dunwich Horror.