Chang refers to Prof. Duncan as "Dr. Teeth."
Pierce says that his religion is like a video game in that "you can gain levels, and, at a certain point, you can eat a ghost."
The male nurse refers to the human body as a "temple of doom."
Energon is an integral part of Pierce's religion.
Abed asks Pierce if "people in your religion ever take liquid form, like the creatures in 'The Abyss.'"
Pierce's religion mentions humanity merging into an ocean of knowledge.
Prof. Bauer discusses "Inception" with a tribe in the Congo.