Opens with the quote "Turn back, turn back, thou pretty bride, within this house thou must not abide. For here do evil things betide", from the fairytale "The Robber Bridegroom".
FBI Agent Weston Steward's alias Walter Rathenau was the name of a German industrialist, writer and liberal politician who served as Foreign Minister of the Weimar Republic. He was much maligned by antisemites before being murdered by Nazi terrorists in 1922.
Adalind has sex with her third main character, Nick.
Jacqueline Toboni (Theresa Rubel) was promoted to a guest star.
Adalind's storage unit's number is 22, which is also the episode for the season.