Castle: Season 6
- 2013
- 23 episodes
After Castle's stunning romantic proposal to Beckett, what happens next? The magnetic crime-fighting couple faces a whole new set of challenges as they juggle wedding plans and their most intriguing cases yet. Beckett's new job with the Justice Department takes her away from the wisecracking love of her life. But Castle's devotion to his new fiancee - and her fascinating line of work - jeopardizes her career and creates a chain of events that might separate them forever. Back on the home front, Castle is none too pleased to discover his daughter has seemingly been captivated by, and now living with, her new, free-spirited boyfriend.
Season 6 of Castle premiered on September 23, 2013 and has 23 episodes, from "Valkyrie (1)" to "For Better or Worse". The last episode aired on May 12, 2014.
Where to watch Castle
In the United States, you can stream Castle on Hulu, Amazon Prime Video and Philo. It is also free on The Roku Channel. You can also buy it on Amazon Video, Apple TV Store, Google Play Movies and Fandango At Home. It is on streaming services in 63 countries.
Episodes
Episode 1Valkyrie (1)Aired September 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.
Guest stars
- Yancey Arias Carl Villante
- Jocko Sims Matt Hendricks
- Lisa Edelstein Rachel McCord
- Obren Milanovic Leather Jacket
- Eugenia Kuzmina Blonde
- Roshawn Franklin Federal Agent Smith
- Jack Kennedy Jack Bronson
- Peter James Smith Agent Richmond
Episode 2Dreamworld (2)Aired September 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.
Guest stars
- Yancey Arias Carl Villante
- Jocko Sims Matt Hendricks
- Lisa Edelstein Rachel McCord
- Warren Christie Brad Parker
- Glenn Morshower Michael Reed
- Omid Abtahi Rasheed Waqas
- Ellen Bry Mary Elizabeth Reed
- Jack Kennedy Jack Bronson
Episode 3Need to KnowAired October 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.
Guest stars
- Lisa Edelstein Rachel McCord
- Antonio Sabàto Jr. Ramon Russo
- Joshua Bitton Grant Sullivan
- James Patrick Stuart Ethan Wright
- Alan Blumenfeld Hank Harper
- Ruth Williamson Geraldine Powers
- Emily Baldoni Svetlana Renkov
- Jeff Grace Charlie Reynolds
Episode 4Number One FanAired October 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.
Guest stars
- Alicia Lagano Emma Briggs
- Joshua Bitton Grant Sullivan
- Tom Amandes Aaron Stokes
- Peter MacKenzie Sergeant Roman
- Patrick Heusinger Raymond Vance
- Billy Miller Mickey Gerhardt
- Charlie Bodin Julian Carter
- Brandon Morales Cop
Episode 5Time Will TellAired October 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?
Guest stars
- Joshua Gomez Simon Doyle
- Vanessa Bell Calloway Beryl Wickfield
- Tim Russ Malcolm Wickfield
- Sam Daly Jack Hastings
- Rodney Rowland Mick Linden
- Yvonne Zima Veronica
- Jess Allen Garrett Ward
- Fred Cross Dr. Haver
Episode 6Get a ClueAired October 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.
Guest stars
- Christopher Cousins Nolan Burns
- James MacDonald Benjamin Wade
- Erik Jensen Jason Byford
- Aaron Craven Henry Collins
- Pamela Shaddock Marcella
- Daniel Edward Mora Silas Mora
- Sarah Molasky Susannah Richland
- Myko Olivier Pi
Episode 7Like Father, Like DaughterAired November 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.
Guest stars
- James Carpinello Frank Henson
- Joelle Carter Maggie Ingram
- Alexis Cruz Lyle Gomez
- Wes Ramsey John Henson
- Drew Rausch Ted Lane
- Joyce Guy Kerry Fallbrook
- Laura Gardner Patrice Tolbert
- Janet Hoskins Betty
Episode 8A Murder Is ForeverAired November 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.
Guest stars
- Anthony Ruivivar Barrett Hawke
- Jason Antoon Steve Warner
- David S. Lee Matt Lanchet / Leo Wyngaard
- David Blue Kyle
- Dominic Hoffman Andrew Spencer
- John Hans Tester Edward Peters
- Christine Corpuz Receptionist
- Bonnie Hellman Frumpy Nightgown Woman
Episode 9DiscipleAired November 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.
Guest stars
- William Mapother Carl Matthews
- Shashawnee Hall Calvin Hodges
- Jim Holmes Ian Fuller
- Marta McGonagle Theresa
- Heidi Fecht File Clerk
- Jesse Henecke Mr. Graham
- Dominic Flores Manager
- Annie Wersching Kelly Nieman
Episode 10The Good, The Bad & The BabyAired November 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.
Guest stars
- Teri Reeves Miranda Vail
- John Allen Nelson Walter Dennis
- Matt Gerald Jimmy Wolfinsky
- Anthony Mangano Roman Valanciaga
- Kristen Ariza Sandra Whitman
- Emil Beheshti Dean Seahorn
- Don Baldaramos Priest
- Kate Rene Gleason Officer Harrison
Episode 11Under FireAired January 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.
Guest stars
- Nic Bishop Fire Chief Miller
- Wendy Davis Delia Burton
- Jamie Harris Adam Ferguson
- Ethan Cohn Milo Pavlik
- Robert Cicchini Mr. Turino
- Tim Ryan Mark Kimball
- Maya Stojan Tory Ellis
- Juliana Dever Jenny Duffy-O'Malley
Episode 12Deep CoverAired January 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.
Guest stars
- James Brolin Jackson Hunt
- Rick Peters Tony Blaine
- Jeff Austin Mr. Rollins
- Connor Ross Grant Rollins
- Michelle Alegria Reporter
- Maya Stojan Tory Ellis
Episode 13LimelightAired January 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.
Guest stars
- Alexandra Chando Mandy Sutton
- Lola Glaudini Marilyn Sutton
- Bug Hall Jesse Jones
- Greg Cromer Harvey Stryker
- Peter Holden Ken Caster
- Kelly McCreary Kelly Jane
- Alani iLongwe Sam
- Sean McGowan James Lockhart
Episode 14Dressed To KillAired January 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.
Guest stars
- Frances Fisher Matilda King
- Rex Lee Yumi
- Rob Estes Julian Bruckner
- John Eric Bentley James Kavanaugh
- Paul Cassell Marcus Conway
- Thea Gill Gloria Robbins
- Denyce Lawton Lillian Hernandez
- Emily Wilson Grace
Episode 15Smells Like Teen SpiritAired February 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."
Guest stars
- Sam Anderson Principal Duncan
- Hannah Marks Jordan Gibbs
- Melise Hillary Cooper
- Leigh Parker Lucas Troy
- Victory Van Tuyl Kris Howard
- Lori Alan Ms. Papen
- Cas Anvar Dr. Rampanel
- Jackie Debatin Realtor
Episode 16Room 147Aired February 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.
Guest stars
- John Getz Gustavo Bauer
- Alexie Gilmore Anita Miller
- Drew Powell Sam Carson
- Phil LaMarr Dr. Holloway
- Kelly Kruger Laura Westbourne
- Samantha Sloyan Pam Clark
- Julia Cho Gwen
- Jarrod Crawford Field Tech
Episode 17In the Belly of the BeastAired March 3, 2014
Beckett is recruited to assist on a Narcotics investigation, but a routine mission turns deadly when an undercover operation goes awry. 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.
Guest stars
- Jack Coleman William Bracken
- Carlos Gómez Captain Fowler
- Jonathan Adams Vulcan Simmons
- Al Sapienza Mr. Jones
- Kenny Johnson Mr. Harden
- Daniel Hugh Kelly Evan Potter
- Britt Rentschler Elena Markov
- Regi Davis Dr. Bailey
Episode 18The Way of the NinjaAired March 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.
Guest stars
- Brittany Ishibashi Saya Ozu
- Ron Yuan Michio Saito
- Chris Bruno Randall Bedford
- Arden Cho Kiara
- Mike Moh Lee Tong
- Cameron Deane Stewart Dean Bedford
- Carin Chea Secretary
- Tarri Markel Sharon Bedford
Episode 19The Greater GoodAired March 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.
Guest stars
- Salli Richardson-Whitfield Elizabeth Weston
- Kevin Kilner Jamie Burman
- Laurie Fortier Stephanie Goldmark
- Ramon Fernandez Hector Nuñez
- Juan Carlos Cantu Luis Delgado
- David Landry Neal Wentworth
- Robert Maffia Lawyer
- Noree Victoria Secretary
Episode 20That '70s ShowAired April 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.
Guest stars
- Jon Polito Harold Metzger
- Ray Abruzzo Frank Russo
- Richard Portnow Milt Boyle
- Larry Joshua Michael Carcano
- James Martin Kelly Robert Decker
- Dawnn Lewis Yvonne
- Amanda Jaros Junkie
- Linc Hand Ray Price
Episode 21Law & BoarderAired April 28, 2014
Castle and Beckett delve into the world of extreme sports when a mysterious motorcyclist shoots an up-and-coming professional skateboarder.
Guest stars
- Michael Lombardi Tommy Fulton
- Ned Vaughn Brett Zaretsky
- Jesse Luken Carter Wexland
- Eric Etebari Enver Kotta
- Anabelle Acosta Holly
- Claudia Christian Mrs. Logan
- Yani Gellman Manny Castro
- Blake Cooper Griffin Ross De Koning
Episode 22VeritasAired May 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.
Guest stars
- Ruben Santiago-Hudson Roy Montgomery
- Jack Coleman William Bracken
- Jonathan Adams Vulcan Simmons
- Alex Fernandez Marcus Donovan
- David Gautreaux Oliver Pressing
- Ayanna Berkshire Interviewer
- Tom Billett Sergio
- Chic Daniel Thomas
Episode 23For Better or WorseAired May 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.
Guest stars
- Eddie McClintock Rogan O'Leary
- Scottie Thompson Tildy McGuire
- Chris Browning Biker
- R. D. Call Mickey Barbozz
- Randy Oglesby Pastor Bob
- Nicole J. Butler Cassandra
- Kristina Hayes Officer Radnor
- Sarah Karges Sapphire
