Opens with the quote, "Death stood behind him and said: 'Follow me, the hour of your departure from this world has come.'", from the fairytale "Death's Messengers" by the Brothers Grimm.
In this episode, Monroe and Rosalee kiss for the first time.
This is the first episode of Season 2 to not have the voice-over that was heard during the introduction/title sequence of the previous three episodes. ("Bad Teeth") ("The Kiss") ("Bad Moon Rising")
"Nuckelavee" is Scottish Gaelic for the Orcadian mythological creature of the same name, a demon of combined human and horse-like elements. First wesen to not be made up for Grimm. First with origins in Scottish Gaelic.
Wu reports Carl Stanton's address as being in the NW Whitehall Drive, #204, which is a reference to the episode number.