Think all #Castle fans are still "processing this news..." from last night's episode. If you haven't watched it, you need to stop what you're doing and go watch it NOW!  "Bad Santa" [aka Have Yourself A Mobster Little Christmas] was written by Dara and Chad Creasey and directed by Bill Roe. What started out as a light-hearted Castle-Family-Christmas-Rhyme-Fest, took a significant turn in the very last scene. Tonight's STR Round Table MAY involve a colorful set of responses to Elena's questions:

Photo credit/copyright[above scrolling in random BTR order]: ABC Studios/Network