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 21 The Dead Pool
First Aired: April 11, 2011
A star swimmer with Olympic dreams is found dead in a pool, and crime writers Michael Connelly and Dennis Lehane (appearing as themselves) help Castle dissect the complex case over a game of poker.
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