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 4, Episode 3 Head Case
First Aired: October 3, 2011
Castle and Beckett learn about life-extension science and how far people will go for the fountain of youth when they investigate a possible homicide in which there's no body. Elsewhere, Alexis hears from Stanford University's admissions department.
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