8.4/101,678 votes#1 - Valkyrie (1)
Season 6 Episode 1 - Aired 9/23/2013
Last season ended with Beckett wrestling over whether to take a high-profile job in DC -- a dilemma made more complicated when Castle proposed to her. In the Season 6 Premiere of "Castle," Castle and Beckett will deal with the consequences of their decisions against the backdrop of a high-stakes investigation.
Director: John Terlesky
Writer: Rob Hanning
7.9/101,354 votes#2 - Dreamworld (2)
Season 6 Episode 2 - Aired 9/30/2013
Continuing from the season premiere episode, Beckett races against time to find a stolen toxin capable of killing tens of thousands of people. To make matters worse, Castle was exposed, leaving him with less than 24 hours to live.
Director: Thomas J. Wright
Writer: David Grae
7.7/101,262 votes#3 - Need to Know
Season 6 Episode 3 - Aired 10/7/2013
With Beckett still in D.C., Castle and the boys investigate the murder of former child star Charlie Reynolds, who rose to fame playing the lovable nerd on an early 90s High School sitcom. But the case takes a turn for the strange when Agents Beckett and McCord arrive from Washington to take over the investigation, creating competitive tension in the precinct. But why would a washed-up actor's death warrant Federal scrutiny? Whatever the reason, Beckett and McCord aren't telling. Meanwhile, Castle has to contend with a new face at the 12th, NYPD Detective Frank "Sully" Sullivan.
Director: Larry Shaw
Writer: Elizabeth Davis Beall
8.3/101,312 votes#4 - Number One Fan
Season 6 Episode 4 - Aired 10/14/2013
A desperate young murder suspect, Emma Briggs, takes hostages at gunpoint then mysteriously insists that she will only negotiate with one person: Richard Castle.
Director: John Terlesky
Writer: Terence Paul Winter
8.8/101,791 votes#5 - Time Will Tell
Season 6 Episode 5 - Aired 10/21/2013
A grisly murder investigation leads Castle and Beckett to a suspect who claims he's traveled back in time to stop terrible events from unfolding, events that will change the course of human history. Is he simply a deluded killer, or is it possible that he's telling the truth?
Director: Rob Bowman
Writer: Terri Edda Miller, Andrew W. Marlowe
7.8/101,194 votes#6 - Get a Clue
Season 6 Episode 6 - Aired 10/28/2013
As Castle and Beckett investigate the ritualistic murder of a young woman, they find strange symbols in the victim's apartment; Castle struggles with Alexis' decision to move in with Pi.
Director: Holly Dale
Writer: Christine Roum
8.3/101,335 votes#7 - Like Father, Like Daughter
Season 6 Episode 7 - Aired 11/4/2013
Alexis enlists Castle’s help on an Innocence Review case to prove that a death row inmate, Frank Henson, was wrongly convicted. With only 72 hours left before his execution, Castle and Alexis (with help from Beckett) urgently investigate the original murder, only to uncover explosive secrets that may seal Frank’s fate.
Director: Paul Holahan
Writer: Marc Dube
7.5/101,138 votes#8 - A Murder Is Forever
Season 6 Episode 8 - Aired 11/11/2013
When a famed relationship therapist is murdered, it appears that her access to the secrets of her elite and powerful clients led to her death. But when Castle and Beckett discover the victim was in possession of a rare object worth millions of dollars, they realize that this case may be even more complicated – and dangerous – than they thought.
Director: Bill Roe
Writer: Chad Gomez Creasey, Dara Resnik
8.9/101,605 votes#9 - Disciple
Season 6 Episode 9 - Aired 11/18/2013
Castle and Beckett arrive at a crime scene to discover that the female victim bears a shocking resemblance to Medical Examiner Lanie Parish. As the team tries to make sense of this mystery, they realize the killer may be targeting detectives of the 12th Precinct. Dr. Kelly Nieman, an exclusive Manhattan cosmetic surgeon who draws Castle and Beckett's interest because of her connection to the victim.
Director: Rob Bowman
Writer: David Amann
8.2/101,233 votes#10 - The Good, The Bad & The Baby
Season 6 Episode 10 - Aired 11/25/2013
Before dying, he hands a mysterious bundle to the priest. When the bundle turns out to be a smiling baby boy, Castle and Beckett find themselves accidental nannies to the newborn. But when they determine the baby and the victim were not related, they discover that finding his rightful parents may be just as hard as solving the murder.
Director: John Terlesky
Writer: Terri Edda Miller
8.6/101,520 votes#11 - Under Fire
Season 6 Episode 11 - Aired 1/6/2014
When Castle and Beckett discover that the victim of a building fire was actually shot to death, they get on the trail of a serial arsonist turned murderer. Meanwhile, Ryan's wife, Jenny, goes into labor, but disaster threatens to ruin the joyous moment.
Director: Paul Holahan
Writer: David Amann, Andrew W. Marlowe
8.4/101,231 votes#12 - Deep Cover
Season 6 Episode 12 - Aired 1/13/2014
The murder of a young record store clerk takes a strange turn when the team discovers his past history as a high-level hacker. But it's nothing compared to the shock Castle receives when their investigation leads them straight to his father, Jackson Hunt.
Director: Thomas J. Wright
Writer: Terence Paul Winter
7.9/101,129 votes#13 - Limelight
Season 6 Episode 13 - Aired 1/20/2014
When a pop star is found dead in an alley, Beckett and Castle look into her hard-partying lifestyle; a shocking revelation rocks the investigation.
Director: Bill Roe
Writer: Rob Hanning
7.8/101,092 votes#14 - Dressed To Kill
Season 6 Episode 14 - Aired 1/27/2014
When the assistant to Modern Fashion Magazine’s dictatorial editor Matilda King is found murdered, Castle and Beckett are thrust into the glitzy, ruthless world of high fashion in their search for the killer. Meanwhile Beckett’s history in the modelling world gets her access to a very special wedding surprise.
Director: Jeannot Szwarc
Writer: Elizabeth Davis Beall
8.1/101,165 votes#15 - Smells Like Teen Spirit
Season 6 Episode 15 - Aired 2/17/2014
The murder of a high school mean girl draws Castle back to one of his many alma maters, where he is giddy to learn that the evidence points to a surprising perpetrator - a teenage telekinetic, throwing he and Beckett into a real-life "Carrie."
Director: Kevin Hooks
Writer: Chad Gomez Creasey, Dara Resnik
8.1/101,102 votes#16 - Room 147
Season 6 Episode 16 - Aired 2/24/2014
When a guilt-ridden young woman confesses to the murder of a struggling actor -- knowing details only the killer could know -- Beckett and Castle seem to have an open-and-shut case, until they uncover proof that their suspect couldn’t possibly be the killer. When a second person confesses, equally convinced they committed the murder, the team realizes the case is far more mysterious than they thought.
Director: Bill Roe
Writer: Adam Frost
8.7/101,359 votes#17 - In the Belly of the Beast
Season 6 Episode 17 - Aired 3/3/2014
Beckett is recruited to assist on a Narcotics investigation, but a routine mission turns deadly when an undercover operation goes array. To survive, Beckett must engage in a battle of wits against some of the most dangerous men in the New York underworld – including a powerful enemy from her past.
Director: Rob Bowman
Writer: David Amann, Andrew W. Marlowe
8.2/101,091 votes#18 - The Way of the Ninja
Season 6 Episode 18 - Aired 3/17/2014
When a Japanese ballet dancer is mysteriously murdered, Castle and Beckett's investigation into her secret life uncovers evidence that she was killed by a ninja, and now that ninja is coming after them.
Director: Larry Shaw
Writer: N/A
7.7/10988 votes#19 - The Greater Good
Season 6 Episode 19 - Aired 3/24/2014
Castle and Beckett investigate the murder of a Wall Street trader, but the case takes a shocking turn when the they discover the victim was an undercover informant for the U.S. Attorney’s office. To complicate matters further, the U.S. attorney involved is Elizabeth Weston, Captain Gates’ estranged sister.
Director: Holly Dale
Writer: David Grae
8.2/101,283 votes#20 - That '70s Show
Season 6 Episode 20 - Aired 4/21/2014
When construction workers find the body of an infamous New York mobster who disappeared in the seventies, Beckett and Castle try to solve this three decade-old mob hit. Unfortunately, their only witness is a man who thinks it’s still the 1970’s, so to uncover what he knows, they must play into his delusion, and party like it’s the last days of disco.
Director: John Terlesky
Writer: David Amann
7.3/10983 votes#21 - Law & Boarder
Season 6 Episode 21 - Aired 4/28/2014
Castle and Beckett delve into the world of extreme sports when a mysterious motorcyclist shoots an up-and-coming professional skateboarder.
Director: Thomas J. Wright
Writer: Jim Adler
9.1/101,630 votes#22 - Veritas
Season 6 Episode 22 - Aired 5/5/2014
A secret investigation conducted by Beckett related to her mother's murder goes awry when a man she has been surveilling is killed. When evidence links Beckett to the victim, she and Castle become the targets of a manhunt that puts both of them in grave danger.
Director: Rob Bowman
Writer: Rob Hanning, Terence Paul Winter
7.7/101,358 votes#23 - For Better or Worse
Season 6 Episode 23 - Aired 5/12/2014
Castle and Beckett's long-awaited wedding is almost here, but when a shocking surprise threatens to ruin the big day, they are sent on a wild mission filled with masked men, angry bikers and a charming ne'er-do-well from Beckett's past.
Director: John Terlesky
Writer: Terri Edda Miller, Andrew W. Marlowe
The Best Episodes of Castle Season 6
Every episode of Castle Season 6 ranked from best to worst. Discover the Best Episodes of Castle Season 6!
After a serial killer imitates the plots of his novels, successful mystery novelist Richard "Rick" Castle receives permission from the Mayor of New York City...
Genres:DramaCrime
Network:ABC
Season 6 Ratings Summary
"Valkyrie (1)" is the best rated episode of "Castle" season 6. It scored 8.4/10 based on 1678 votes. Directed by John Terlesky and written by Rob Hanning, it aired on 9/23/2013. This episode is rated 0.5 points higher than the second-best, "Dreamworld (2)".