Season 4 Episode 6 episode 6

'Castle' Season 4 Episode 6 "Demons" 2 Sneak Peeks

'Castle' Season 4 Episode 6 "Demons" 2 Sneak Peeks

ABC has released two tantalizing sneak peeks for Monday's Halloween themed episode of Castle, "Demons". Castle and Beckett investigate a supposed supernatural death, while Castle gives Alexis a nice 'Do as I say, not as I do' speech.