Castle: Season 8 (2015 - 2016)


Season 8

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Critic Ratings: 6


Audience Score

User Ratings: 89

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Air date: Sep 21, 2015

In Part 1 of the two-part eighth-season opener, Castle searches for a missing Beckett following a call from a mysterious stranger.

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Air date: Sep 28, 2015

In the conclusion of the eighth-season opener, Beckett's disappearance is examined from her angle as she fights to stay alive and uncover who wants to see her demise.

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Air date: Oct 5, 2015

Castle goes undercover as a professor after a college fraternity student is killed in a grisly manner. During the investigation, he and Beckett unearth some sinister secrets the university wants to keep suppressed.

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Air date: Oct 12, 2015

A hermit-like author idolized by Castle is killed, and Castle resolves to solve the murder.

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Air date: Oct 19, 2015

An art thief steals a rare painting and kills the person transporting it, so Castle and Beckett team up with the key witness in order to find the culprit.

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Air date: Nov 9, 2015

Det. Slaughter returns seeking Castle's help in a robbery case. However, Slaughter becomes a suspect when the heist case turns into a murder case, and Castle's unsure about whether his pal is innocent or guilty.

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Air date: Nov 16, 2015

A seductive con man is killed, and the investigation has Castle and Beckett questioning New York City's upper crust. Meanwhile, Castle has a surprise in store for his and Beckett's one-year anniversary as husband and wife.

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Air date: Nov 23, 2015

An entertainer on a cruise ship is killed, and Castle and Beckett investigate while trapped on the ship with the murderer.

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Air date: Feb 8, 2016

A body is found in a theater where Martha is working, so Castle and Beckett investigate and are surprised to learn how cutthroat a cappella singers can be.

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Air date: Feb 14, 2016

Castle takes the stand as the key witness in a murder trial, but then new info emerges late in the case, leading him and Beckett to rush to prevent a miscarriage of justice.

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Castle: Season 8 Photos

Tv Season Info

In the opening of Series 8, Castle searches for Beckett as a number of explosive events that have been triggered by a phone call from a stranger. Later, Castle investigates the murder of his idol and Beckett moves back in with Castle.


Stana Katic
as Det. Kate Beckett
Nathan Fillion
as Richard Castle
Susan Sullivan
as Martha Rodgers
Molly Quinn
as Alexis Castle
Tamala Jones
as Lanie Parish
Jon Huertas
as Det. Javier Esposito
Seamus Dever
as Det. Kevin Ryan
Sunkrish Bala
as Vikram Singh
Penny Johnson Jerald
as Capt. Victoria Gates
Arye Gross
as M.E. Perlmutter
Jack Coleman
as Senator Will Bracken
Tony Plana
as Father Arguello
David Michael Trevino
as Eddie Ramirez
Ronnie Steadman
as Gabriel Shaw
Adam Baldwin
as Det. Slaughter
Summer Glau
as Kendall Frost
Michael Bowen
as Sgt. Joseph Ortiz
Frank Tran
as Lars Cross
Jonny Cruz
as Zane Cannon
Stephnie Weir
as Mia Laszlo
Amy Robach
as Lila Campo
Oliver Muirhead
as Bryce Robert
Brad Lee Wind
as Franco Mancini
Brad Lee Wind
as Franco Mancini
Calli Ryals
as Emma Matthews
Dean Cudworth
as Michael Kirby
Geoffrey Pierson
as Michael Smith
Billy Ray Gallion
as Marcus Janek
Marin Hinkle
as Dr. Rebecca Ellins
Ruben Santiago-Hudson
as Capt. Roy Montgomery
Arnell Powell
as Chris Jackson
Dean Cudworth
as Michael Kirby
Lise Simms
as Wendy Johnson
Lindsay Price
as Lindsey Trent
Nikita Bogolyubov
as Grigory Mishkin
Christine Adams
as Dr. Barbara Lillstrom
Jerry O'Donnell
as Milton Cicero
Sheldon Bailey
as Anton Ford
David Hoffman
as Ned Werner
Endre Hules
as Pavel Oborin
Michael Cognata
as Darrl Ives
Jed Rees
as Mr. Flynn
Clare Grant (II)
as Nina O'Keefe
James Morrison
as Commissioner Malone
Michael Chieffo
as Dr. Brock Martin
Kevin Joy
as Graham Fletcher
Gerald McRaney
as Mason Wood
John Ducey
as Mark Nagle
David Hoffman
as Ned Werner
Emily Goss
as Naomi Fox
Charles Mesure
as Liam Hollister
Sonya Eddy
as Olivia "Mama" Toussaint
Darlene Vogel
as Sadie Beakman
Ryan Devlin
as Stephen Reed
Anne-Marie Johnson
as Sondra Kramer
Brian Gaskill
as David Lacey
Andrea Roth
as Nancy Underwood
Doug Savant
as Victor Nigel
Maurice Benard
as Horatio Spate
Kelly Rowan
as Dean Carla Feller
J.D. Walsh
as John Emerson
Jewel Staite
as Erin Cherloff
Juliana Dever
as Jenny Ryan
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News & Interviews for Castle: Season 8

Critic Reviews for Castle Season 8

All Critics (6) | Top Critics (2)

I don't understand why anyone ever considered doing this show without Stana Katic, because I could tell that Beckett had his number by the way she held herself as she spoke to him in his car.

Apr 3, 2018 | Full Review…

It didn't abandon Castle and Beckett to die holding hands on a kitchen floor, but left them happy, ever after. And though I know they are not real people, I am grateful for this canonical kindness.

Apr 3, 2018 | Full Review…

One of the things I always enjoy about this show is that Beckett is never entirely reliant on help when she's in danger, and for that matter, neither is Castle. There is no damsel in distress.

Jun 20, 2018 | Rating: 4/5 | Full Review…

It's not exactly a secret that Castle's strength is its cast.

May 9, 2017 | Full Review…

Given all that had transpired between the two over the course of eight seasons, it's reasonable to suggest that Castle itself was really a love story built inside the framework of a typical procedural.

May 17, 2016 | Full Review…

The opening murder scene had just the right mix of mystery and shock value without having to be gory. That's an art few shows can pull off, and I appreciate how well they did it here.

Sep 22, 2015 | Rating: 4.5/5 | Full Review…

Audience Reviews for Castle: Season 8

  • Jul 05, 2016
    New showrunners come in and completely ruin Castle in its eighth (and final) season. Castle and Beckett's marriage is broken up as Beckett seeks to protect her loved ones from a secret investigation that she launches into a crime syndicate that murdered her former FBI team; meanwhile Castle re-opens his PI business to work cases with the NYPD and win Beckett back. The breakup plot is incredibly dumb and just becomes more infuriating as it goes on. And although Beckett is supposedly promoted to precinct captain, nothing really changes as she pretty much continues on in the same role. There is, however, one good change to the show, with Castle's daughter becoming an associate in his PI business. The tone of the series also takes a downward turn, though not as one would suspect. In spite of the dark and serious themes, the show becomes more comedic with Castle at his most fanciful and goofballish (which is another problem). A series killer, Season 8 of Castle is complete garbage that fans rejected in mass and is best forgotten.
    Dann M Super Reviewer
  • Jul 25, 2020
    There is something missing this season with the characters spending less time together. Toks Olagundoye helps a lot with her strong new role.
  • Oct 03, 2019
    un final increíble para esta serie. no esperaba menos de esta gran serie.
  • Jan 26, 2017
    It's unnecessary 8th season left a bit of a sour taste in my mouth, nonetheless under the sturdy and charismatic shoulders of its leading couple, Castle balanced the quirkiness with solid mystery caping for a great stretch of time.
  • Aug 03, 2016
    Best view if you cant sleep and need help. Don't count sheep watch Castle!
  • Mar 13, 2016
    Castle is one of the best shows on tv. The chemistry between the two leads is electric.
  • Mar 07, 2016
    just close this series .. it was amazing first 4 season but its crap now ...
  • Feb 15, 2016
    Season 8 will be the last season of Castle thanks to the new showrunners who have run the show directly into the ground. The writing and directing have been epicly awful. I'm sure Fillion, Katic, Dever, and Huertas have done the best they can, but it's hard to make a silk purse out of a sow's ear. This used to be the show that I would stop everything to watch, that I would evangelize to my friends and family. No longer. It's just queuing up on the DVR in the miraculous case that they turn the show around. I enjoy watching the earlier season on TNT, but will not watch another minute of season 8.
  • Jan 16, 2016
    Worst Castle Season EVER the jackasses of Alexi Hawley and Terence Paul Winter are systematically killing this show, those guys are useless and mediocre writers, blaming other people for what they have done.
  • Nov 18, 2015
    Always well written with a new twist each week -- Castle is worth the time to watch (usually at 10PM) or record and watch later if nothing else is on and exciting !

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