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Castle (2009)

Season 4 Episode 16
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S4 E16: Castle (2009) Season 4 Episode 16

Castle & Beckett race to find the "Linchpin" in order to stop the first domino in a chain of events which will plunge the United States into war. Their efforts continue to put Castle in contact with Sophia Conrad - a smart, commanding and sexy CIA operative who was Castle's inspiration for Clara Strike in the "Derrick Storm" series of books; and intelligence officer Martin Danberg is back.

Season 4 Episode 16 of 23

Season 4 Episodes

23 episodes
E1 Castle (2009) Season 4 Episode 1 E2 Castle (2009) Season 4 Episode 2 E3 Castle (2009) Season 4 Episode 3 E4 Castle (2009) Season 4 Episode 4 E5 Castle (2009) Season 4 Episode 5 E6 Castle (2009) Season 4 Episode 6 E7 Castle (2009) Season 4 Episode 7 E8 Castle (2009) Season 4 Episode 8 E9 Castle (2009) Season 4 Episode 9 E10 Castle (2009) Season 4 Episode 10 E11 Castle (2009) Season 4 Episode 11 E12 Castle (2009) Season 4 Episode 12 E13 Castle (2009) Season 4 Episode 13 E14 Castle (2009) Season 4 Episode 14 E15 Castle (2009) Season 4 Episode 15 E16 Castle (2009) Season 4 Episode 16 E17 Castle (2009) Season 4 Episode 17 E18 Castle (2009) Season 4 Episode 18 E19 Castle (2009) Season 4 Episode 19 E20 Castle (2009) Season 4 Episode 20 E21 Castle (2009) Season 4 Episode 21 E22 Castle (2009) Season 4 Episode 22 E23 Castle (2009) Season 4 Episode 23

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