In Friday’s newest episode, Dexter takes up Red a.k.a. Dark Passenger’s invitation to Prater’s party and, thanks to Red’s replicated thumbprint, finds himself surrounded by trophies and others with a hunger for carnage — “the itch,” “the need,” “the great yearning,” and “the urge,” as they dub it in a moment of unsettling unity.

"I’ve spent so much time with this character and to go back and have all the imaginative blanks filled in is going to be great," Hall said.