Will Capt. Gates help Castle get back to the 12th permanently if he helps close this case?
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Castle tried to tell everyone that this guy was still alive, even after he fell off the bridge into the river.
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And before you know it Rick Castle's arch nemesis is back and it appears he's enjoying egging Castle and Beckett on once again.
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Annie Wersching returns for this two-parter to once again play Dr. Kelly Niemann, 3XK's partner in crime.
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Beckett and Castle find themselves once again sitting across the table from Dr. Kelly Niemann.
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When clues to a murder point back to an old case, Castle finds himself back at the 12th precinct to consult.
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At least it looks as though Rick and Kate are working the case together, despite Castle being banned from the precinct.
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We know Rick can always count on Kate to have his back but what's so shocking that it put that look on her face?
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Castle Quotes

I can't help it if you got off by putting things in my mouth.

Beckett

Beckett: (Clears throat) Ahem. What's the deal with men and boobs, anyway?
Castle: Biological. We can't help it.
Beckett: But doesn't it bother you that they're so obviously not real?
Castle: (Pauses) Santa's not real. We still love opening his presents.