Castle 2009 | TV Show
A murder-mystery writer and a detective team up to catch a serial killer who is reenacting murders from his books. Once the case is solved, the unlikely pair continue to work together to probe New York City's most unusual homicides.
Premiered: March 9, 2009
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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