Castle Episodes

2009, TV Show

Castle Episode: "Headhunters"

Season 4, Episode 21
Episode Synopsis: When things get tense with Beckett, Castle decides to team up with a new partner: a tough gang-unit detective who exposes him to a seedier side of police business and puts him in risky situations.
Original Air Date: Apr 16, 2012
Guest Cast Michael McGrady: Brian Reilly Michael Dorn: Dr. Carter Burke Adam Baldwin: Det. Ethan Slaughter
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Season 4, Episode 21
Paid | iTunes
Length: 43:00
Aired: 4/16/2012
Also available on Amazon Instant Video and VUDU
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Premiered: March 09, 2009, on ABC
Rating: TV-PG
User Rating: (5,730 ratings)
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Premise: 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.

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