Sgt. Wu's first name is finally revealed: Drew.
Opens with the quote, "I am going off to a house and entering it like a snake... I will devour their babes and make their hearts ache" from a 15th century telling of the Myth of the Gello.
The Aswang Wesen makes a ticking noise. Some regions in the Philippines do refer to some Aswang as 'Tiktik'.
Towards the end of the episode, Nick and Hank go to see Sgt. Wu in room 314, the same as the episode number, Season 3 Episode 14.
The conversation between Sam and his brother takes place primarily in Tagalog, one of the well over 100 (depending on the system of classification) languages spoken in the Philippines.