Castle 2009 | TV Show

Cast & Crew  |  Episode Guide

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

Rating: TV-PG

User Rating:4.75 out of 5 (5,834 ratings)

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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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Mar 10

Previous Episode

Heroes & Villains

Season 4, Episode 2

September 26, 2011

Next Episode

Kick the Ballistics

Season 4, Episode 4

October 10, 2011

Guest Cast