Castle Promo for Season 4, Episode 11: "Till Death Do Us Part" - Watch! Tweet December 20, 2011 by Wetpaint Entertainment Staff Related: Castle, Sneak Peeks , Previews , Season 4 Episode 11 Credit: YouTube The moment we've all been waiting for — the official promo for Castle Season 4, Episode 11: "Till Death Do Us Part"! Original Air Date: Monday, January 9, 2011 at 10 p.m. ET on ABC
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