Towards the end of the episode, Angela Montenegro comments to Gordan Wyatt (Stephen Fry) "You know, the accent makes everything that you say sound really smart". This line was taken from an observation made by Stephen Fry. Stephen Fry's quote was "I sometimes wonder if you Americans aren't often fooled by our accent into detecting a brilliance that may not really be there."
When Father Donlan is listing the plants in the garden, the first plant he says is "aconite." This plant is also know as wolfsbane and has been mythologically linked to werewolves. It is also a highly poisonous plant.