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Castle Poster

Castle

IMDB Logo8.2/10
Rotten Tomatoes Logo79%
Comedy Crime 
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ComedyCrimeDrama
Rated: 14+ (TV-14)2009 - 20168 SeasonsSeries EndedOn: Rent or Buy Only Tags: Police New York 

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 to tag along with an NYPD homicide investigation team for research purposes.Castle featuring Nathan Fillion and Stana Katic has one or more episodes available for purchase on iTunes, available for purchase on Google Play, available for purchase on Prime Video, and 5 others. It's a comedy and crime show with 173 episodes over 8 seasons. Castle is no longer running and has no plans to air new episodes or seasons. It has a high Rotten Tomatoes (critics) score of 79% and a high IMDb audience rating of 8.2 (129,354 votes).

Where to Watch Castle

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The Streamability Score factors in where something can be watched at a given moment and weighs it against the popularity and cost of the available streaming services. The higher the score, the easier it is to stream for the largest number of people.
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173 episodes (100%) are available to rent or buy from $1.99 on 8 services (iTunes, Google Play, Prime Video & 5 others).

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Not available to watch free online.

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Not available to stream on a subscription service.

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Not available to stream on a TV everywhere service.

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173 Total Episodes of Castle Where to stream every episode from all 8 seasons of Castle. Filter these episodes by what's available to watch free or on your streaming services using the tabs above.

Season 1

Rent or Buy
Season 01, Episode 01 Flowers for Your Grave

S01 E01

Mar 10, 2009
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Flowers for Your Grave Mar 10, 2009 Author Richard Castle joins NYC Detective Kate Beckett to help solve the case of a serial killer who is reenacting murders from Castle's novels; Castle becomes very intrigued with the murders and continues to shadow Beckett, much to her chagrin.

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Season 01, Episode 02 Nanny McDead

S01 E02

Mar 17, 2009
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Nanny McDead Mar 17, 2009 When a body of a young woman is found inside the dryer at a laundry room, Castle and Beckett uncover that the young woman worked as a nanny in the upscale building. Meanwhile, as Castle works on his "Nikki Heat" novel series he watches Beckett's actions as she works the murder case.

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Season 01, Episode 03 Hedge Fund Homeboys

S01 E03

Mar 24, 2009
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Hedge Fund Homeboys Mar 24, 2009 When a teenaged boy whose family has recently fallen on hard times is found dead in a boat in Central Park, Castle and Beckett must piece together the mystery behind the boy's final moments. Meanwhile, Castle mulls over leaving Martha home while he chaperones Alexis' trip to Washington, D.C.

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Season 01, Episode 04 Hell Hath No Fury

S01 E04

Mar 31, 2009
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Hell Hath No Fury Mar 31, 2009 The investigation behind a body found wrapped in a rug on the sidewalk leads Castle and Beckett deep inside the world of New York City politics. The partners discover a world of expensive escorts, arrogant tycoons, corrupt investigators, and the effects of betrayal.

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Season 01, Episode 05 A Chill Goes Through Her Veins

S01 E05

Apr 7, 2009
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A Chill Goes Through Her Veins Apr 7, 2009 Castle and Beckett investigate the murder of a women found frozen and tangled in steel bars at a construction site. The case leads them to look into an old case and also has Beckett thinking about some memories of her past.

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Season 01, Episode 06 Always Buy Retail

S01 E06

Apr 14, 2009
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Always Buy Retail Apr 14, 2009 A man is killing people and posing them in Vodun (Voodoo) tradition. Castle's ex-wife announces her plans to move back to New York.

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Season 01, Episode 07 Home Is Where the Heart Stops

S01 E07

Apr 21, 2009
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Home Is Where the Heart Stops Apr 21, 2009 After discovering a young woman's body stuffed awkwardly into a jewelry safe, Beckett and Castle investigate numerous cases involving murders and home invasion jewel heists.

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Season 2

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Season 02, Episode 01 Deep in Death

S02 E01

Sep 22, 2009
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Deep in Death Sep 22, 2009 When the new season begins, Castle is wrestling with how to repair his relationship with Beckett, while struggling to finish his soon-to-be-published bestseller, Heat Wave. But circumstances force the pair back together to investigate the mysterious murder of a man found dead, tangled in the limbs of a tree.

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Season 02, Episode 02 The Double Down

S02 E02

Sep 29, 2009
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The Double Down Sep 29, 2009 When two separate murders are committed on the same night, Castle wagers Ryan and Esposito that he and Beckett will solve theirs first. The frenzied race to catch their respective killers and win the bet leads each investigative duo to a likely suspect, only to find that they both have airtight alibis. But bizarre twists in both cases force the two teams to work together to unravel the mind-bending mystery behind each murder.

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Season 02, Episode 03 Inventing the Girl

S02 E03

Oct 6, 2009
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Inventing the Girl Oct 6, 2009 Castle and Beckett get an inside look at the cutthroat world of the New York fashion industry when they investigate the brutal murder of a young model during Fashion Week.

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Season 02, Episode 04 Fool Me Once

S02 E04

Oct 13, 2009
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Fool Me Once Oct 13, 2009 When an Arctic explorer is killed during a polar expedition, the mysterious circumstances of his death take Castle and Beckett from the penthouses of Park Avenue to the halls of the CIA. But Castle's delight at the case's many twists and turns soon turns to frustration as he realizes that their elusive killer might just be fooling them all.

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Season 02, Episode 05 When the Bough Breaks

S02 E05

Oct 20, 2009
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When the Bough Breaks Oct 20, 2009 Castle has a new book agent, Paula Haas, but she talks with him when he has gotten an opportunity that may change his career. The downside is that taking the opportunity would mean the end of his relationship with Beckett. Meanwhile, an unidentified woman is found dead in a manhole.

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Season 02, Episode 06 Vampire Weekend

S02 E06

Oct 27, 2009
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Vampire Weekend Oct 27, 2009 As Halloween approaches, Castle and Beckett are called to a graveyard where the body of a young man sporting vampire fangs has been discovered with a wooden stake driven through his heart. Their investigation takes them deep into the heart of New York's underground vampire fetish community, where they learn that the motive for the victim's murder may be hiding within the pages of the graphic novel he was writing before his death.

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Season 02, Episode 07 Famous Last Words

S02 E07

Nov 3, 2009
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Famous Last Words Nov 3, 2009 An up-and-coming rock star's body is found in a scene that appears staged from her recent music video.

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Season 3

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Season 03, Episode 01 A Deadly Affair

S03 E01

Sep 21, 2010
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A Deadly Affair Sep 21, 2010 When Beckett and her team burst into an apartment on a murderer's trail, they see Castle standing over a dead woman's body holding a gun; Beckett arrests Castle as he asserts his innocence.

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Season 03, Episode 02 He's Dead, She's Dead

S03 E02

Sep 28, 2010
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He's Dead, She's Dead Sep 28, 2010 Beckett and Castle search for a psychic's killer while debating the existence of extrasensory abilities.

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Season 03, Episode 03 Under the Gun

S03 E03

Oct 5, 2010
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Under the Gun Oct 5, 2010 When a coded document attracts Castle's attention, Beckett must steer the case back to the violent felons who populated their victim's world; when Beckett's ex-partner arrives, Castle must watch the relationship become romantic.

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Season 03, Episode 04 Punked

S03 E04

Oct 12, 2010
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Punked Oct 12, 2010 Castle and Beckett look into the murder of a young mathematician gunned down with a 200-year-old bullet, sparking some wild theories by Castle about a time-traveling killer. When their investigation uncovers a tricked-out DeLorean and a suspect in Victorian clothing, is it possible Castle's crazy idea has some validity? This winding tale twists through the towers of Wall Street and into the world of a secret steampunk society that embraces the romance and simplicity of the past, while coupling it with the hope and promise of the future.

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Season 03, Episode 05 Anatomy of a Murder

S03 E05

Oct 19, 2010
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Anatomy of a Murder Oct 19, 2010 An unknown woman falls out of a casket along with the original deceased when pallbearers lose control of the casket at a funeral; the investigation takes Beckett and Castle into the world of amorous, bed-hopping physicians.

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Season 03, Episode 06 3XK

S03 E06

Oct 26, 2010
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3XK Oct 26, 2010 When a beautiful woman is found dead in an alley, all clues point to her being a victim of the notorious Triple Killer. The Triple Killer, or 3XK, terrorized New York City four years ago, then mysteriously disappeared. Now he's back. In a deadly battle of wits, Castle and Beckett race against time to stop 3XK before he claims his next victims.

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Season 03, Episode 07 Almost Famous

S03 E07

Nov 2, 2010
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Almost Famous Nov 2, 2010 An "Officer Down" call turns out to be a male stripper dressed like a cop. Castle and Beckett explore the world of male strip clubs and struggling actors, all people in pursuit of fame. They need to determine if the murder was because of the victim's dreams of stardom or something more sinister.

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Season 4

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Season 04, Episode 01 Rise

S04 E01

Sep 20, 2011
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Rise Sep 20, 2011 Detective Beckett fights for her life as Castle, plagued by guilt over his role in the events, struggles to uncover who's behind her brutal shooting. Meanwhile, back at the precinct, Ryan and Esposito have to adjust, as Victoria "Iron" Gates becomes the precinct's new uncompromising Captain.

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Season 04, Episode 02 Heroes and Villains

S04 E02

Sep 27, 2011
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Heroes and Villains Sep 27, 2011 When an ex-con is mysteriously slain in an alley, Castle and Beckett believe a vigilante is behind the murder. But efforts to identify their suspect are thwarted when they discover that he roams the city in a Superhero costume – and may indeed be a Superhero. Can they capture and unmask the killer before he strikes again?

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Season 04, Episode 03 Head Case

S04 E03

Oct 4, 2011
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Head Case Oct 4, 2011 A murder scene complete with lots of blood but no victim and high tech life-extension science are all part of the investigation as Castle and Beckett try to solve a murder without a body. Meanwhile, Alexis waits to hear news about her application to Stanford

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Season 04, Episode 04 Kick the Ballistics

S04 E04

Oct 11, 2011
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Kick the Ballistics Oct 11, 2011 A young woman will be murdered and the murder weapon will be Detective Ryan's old service piece. Castle, Beckett, Ryan and Esposito must rush against time to solve the murder, track down and retrieve Ryan's gun before the killer strikes again

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Season 04, Episode 05 Eye of the Beholder

S04 E05

Oct 18, 2011
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Eye of the Beholder Oct 18, 2011 A wealthy museum patron is a suspect when a valuable sculpture is stolen. Castle and Beckett investigate the theft with the help of an insurance investigator who sets her sights on Castle.

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Season 04, Episode 06 Demons

S04 E06

Oct 25, 2011
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Demons Oct 25, 2011 While doing some investigative work at a New York mansion, a prominent ghost hunter is murdered. Castle and Beckett must figure out if paranormal activities are to blame.

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Season 04, Episode 07 Cops & Robbers

S04 E07

Nov 1, 2011
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Cops & Robbers Nov 1, 2011 A crew of bank robbers disguised as classic television doctors take hostages which include Castle and Martha. But things are complicated by the fact that Beckett's on the outside having her every move scrutinized by a hostage negotiator and Castle's on the inside with information that the hostages are just a distraction for a more ominous plan.

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Season 5

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Season 05, Episode 01 After The Storm

S05 E01

Sep 25, 2012
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After The Storm Sep 25, 2012 Picking up the morning after, Castle and Beckett now have to decide if they're a couple or was it just a onetime deal. But before they can tackle that, they must deal with those responsible for Kate's mother's death who are now a threat to Beckett.

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Season 05, Episode 02 Cloudy With a Chance of Murder

S05 E02

Oct 2, 2012
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Cloudy With a Chance of Murder Oct 2, 2012 On Beckett's first day back from her suspension, she and Castle are thrown into the salacious world of local TV news when WHNY's veteran weather girl is found dead. As if navigating an industry full of backstabbing and ruthless ambition weren't difficult enough, they have to do it while hiding their new relationship from their coworkers

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Season 05, Episode 03 Secret's Safe With Me

S05 E03

Oct 9, 2012
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Secret's Safe With Me Oct 9, 2012 A repossessed storage unit, treasure seekers and Manhattan socialites all come together in the case of a woman inexplicably murdered. Castle decides to enter the storage unit auction to see if anything inside might have led to her killing.

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Season 05, Episode 04 Murder, He Wrote

S05 E04

Oct 16, 2012
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Murder, He Wrote Oct 16, 2012 Castle and Beckett’s plans for a romantic weekend in the Hamptons are interrupted when a dying man stumbles into Castle’s backyard, collapsing into his pool. Unable to escape the lure of the investigation they join up with the small town’s well-intentioned, but inexperienced sheriff to find the killer,

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Season 05, Episode 05 Probable Cause

S05 E05

Oct 30, 2012
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Probable Cause Oct 30, 2012 While investigating a shocking ritualistic murder, Beckett and her team uncover surprising evidence linking Castle to the killing. As the evidence against him mounts, loyalties are tested. And when surprising revelations come to light, Beckett begins to wonder how well she really knows her new lover and partner of four years

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Season 05, Episode 06 The Final Frontier

S05 E06

Nov 6, 2012
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The Final Frontier Nov 6, 2012 When a body is found at a sci-fi convention, Castle and Beckett are warped into the heart of fandom -- a world of egotistic celebrities, diehard costumed fans and enough drama for two galaxies.

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Season 05, Episode 07 Swan Song

S05 E07

Nov 13, 2012
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Swan Song Nov 13, 2012 A documentary crew follows Castle, Beckett and the team as they investigate the murder of a rock band's lead guitarist.

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Season 6

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Season 06, Episode 01 Valkyrie

S06 E01

Sep 24, 2013
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Valkyrie Sep 24, 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.

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Season 06, Episode 02 Dreamworld

S06 E02

Oct 1, 2013
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Dreamworld Oct 1, 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.

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Season 06, Episode 03 Need To Know

S06 E03

Oct 8, 2013
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Need To Know Oct 8, 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.

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Season 06, Episode 04 Number One Fan

S06 E04

Oct 15, 2013
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Number One Fan Oct 15, 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.

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Season 06, Episode 05 Time Will Tell

S06 E05

Oct 22, 2013
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Time Will Tell Oct 22, 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?

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Season 06, Episode 06 Get a Clue

S06 E06

Oct 29, 2013
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Get a Clue Oct 29, 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.

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Season 06, Episode 07 Like Father, Like Daughter

S06 E07

Nov 5, 2013
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Like Father, Like Daughter Nov 5, 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.

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Season 7

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Season 07, Episode 01 Driven

S07 E01

Sep 30, 2014
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Driven Sep 30, 2014 In the Season 6 finale, as Richard Castle drove to his much-anticipated nuptials, an ominous black SUV bore down on him. Meanwhile, after waiting in vain for Castle to arrive at the wedding, Beckett was called to an accident scene to find Castle's car in a ravine, engulfed in flames. Who or what caused the car crash? Is there any way Castle could have survived? The episode will pick-up at the scene of that accident, right where the finale left off, in a premiere that promises to put Beckett through the toughest case of her career

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Season 07, Episode 02 Montreal

S07 E02

Oct 7, 2014
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Montreal Oct 7, 2014 While the team investigates the murder of a toy company CEO, Castle uncovers a lead to his mysterious disappearance, launching him into a dangerous investigation of his own.

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Season 07, Episode 03 Clear & Present Danger

S07 E03

Oct 14, 2014
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Clear & Present Danger Oct 14, 2014 When a pool shark is murdered by an unseen force, Castle and Becket uncover evidence that the killer may have paranormal powers. Meanwhile, Castle and Beckett attempt to get their lives back to normal following his disappearance.

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Season 07, Episode 04 Child's Play

S07 E04

Oct 21, 2014
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Child's Play Oct 21, 2014 When an ice cream vender is shot, evidence leads Beckett and Castle to believe that an unknown second-grader may have vital information about the case. Castle goes undercover at an elementary school to try and identify the second-grader but nothing goes as planned.

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Season 07, Episode 05 Meme is Murder

S07 E05

Oct 28, 2014
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Meme is Murder Oct 28, 2014 When a web celebrity is murdered, Castle and Beckett explore the flashy world of internet fame. But when the killer posts pictures from the crime scene on a photo-sharing site, they realize they are up against a social media sociopath who may strike again.

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Season 07, Episode 06 The Time of Our Lives

S07 E06

Nov 11, 2014
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The Time of Our Lives Nov 11, 2014 A murder investigation launches Castle into what seems to be an alternate universe where he's never met Kate Beckett. Castle has to convince Beckett, Esposito and Ryan -- now complete strangers -- to let him participate in their investigation so he can find his way back to his own world. This inspires Castle & Beckett to finally take a trip to the altar.

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Season 07, Episode 07 Once Upon a Time in the West

S07 E07

Nov 18, 2014
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Once Upon a Time in the West Nov 18, 2014 When Castle and Beckett learn that a murder victim may have been poisoned at an Old West-style resort, they visit the resort posing as newlyweds to uncover the truth.

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Season 8

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Season 08, Episode 01 XY (1)

S08 E01

Sep 22, 2015
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XY (1) Sep 22, 2015 After passing the Captain's exam last season, Beckett was surprised with an offer to run for State Senate. In the action packed season premiere, Castle and Beckett are adjusting to Beckett's career change, when a call from a mysterious stranger sets off an explosive chain of events. There are two sides to every story, and this unique two-parter will explore the same story from each of their perspectives, first from Castle's side as he searches for Beckett.

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Season 08, Episode 02 XX (2)

S08 E02

Sep 29, 2015
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XX (2) Sep 29, 2015 In part 2 of the premiere, Beckett's side of her abrupt disappearance is revealed. After receiving a mysterious tip from her past, Beckett is launched into a fight for her life, with a team of mercenaries hot on her trail. While Castle investigates why his wife is on the run, Beckett must figure out who wants her dead, before they can finish the job.

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Season 08, Episode 03 PhDead

S08 E03

Oct 6, 2015
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PhDead Oct 6, 2015 When the body of a local college fraternity student is found gruesomely murdered, Castle has to go undercover as a professor in order to gain access to the victim's world. However, he and Beckett soon discover that behind the fun and games of college are some darker secrets the university wants to keep hidden.

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Season 08, Episode 04 What Lies Beneath

S08 E04

Oct 13, 2015
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What Lies Beneath Oct 13, 2015 When Castle's idol, a famously reclusive author, turns up dead, Castle is determined to solve his hero's murder. But as he and Beckett dig deeper, they discover that truth is stranger than fiction.

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Season 08, Episode 05 The Nose

S08 E05

Oct 20, 2015
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The Nose Oct 20, 2015 When a priceless work of art is stolen and its transporter murdered, Castle and Beckett must work with the key witness to track down the painting and sniff out the killer.

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Season 08, Episode 06 Cool Boys

S08 E06

Nov 10, 2015
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Cool Boys Nov 10, 2015 Detective Slaughter returns to enlist Castle’s help in solving a high-stakes robbery case. But when a body is found linked to the crime, Slaughter becomes the number one suspect in the heist turned murder, while Castle has to determine whether he’s guilty or help to prove he’s innocent.

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Season 08, Episode 07 The Last Seduction

S08 E07

Nov 17, 2015
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The Last Seduction Nov 17, 2015 In order to hunt down the brutal murderer of a grifting seducer, Castle & Beckett must investigate New York’s elite. Meanwhile, Castle plans to surprise Beckett on their one-year wedding anniversary.

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