Watch Castle Season 8 Episode 18 - Backstabber

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Castle Season 8 Episode 18
When Hayley finds herself being implicated in a cyber-terror attack after doing an old friend a favor, Castle and Beckett rush to clear her name.
First Aired: April 18, 2016 - 43 Minutes Runtime
Nathan Fillion, Stana Katic, Susan Sullivan, Jon Huertas

Watch Castle - Backstabber (s8 e18) Online - Watch online anytime: Buy, Rent

Castle, Season 8 Episode 18, is available to watch and stream on ABC. You can also buy, rent Castle on demand at Amazon, Vudu, FandangoNow, Google Play, iTunes online.