Season 3, Episode 6 3XK

First Aired: October 25, 2010

A serial murderer called the Triple Killer strikes again after disappearing four years ago, and Beckett and Castle scramble to catch him before he takes more victims.

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  • Premiered: March 9, 2009
  • Rating: TV-PG
  • Premise: A murder-mystery writer and a homicide detective team up to solve unusual crimes in New York City, and their professional relationship soon crosses the line into romance. (more)

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