Writer Richard Castle (Nathan Fillion) couldn't write a better character himself -- he's Mick Jagger meets James Bond, and has the fame and fans to match. However, Richard has grown weary of it all, leading him to kill of the legendary character who has been the basis of the millions of books he has sold. When a copycat murderer begins to kill people in manners and scenes straight out of his novels, NYPD Detective Kate Beckett (Stana Katic) goes to Richard for help. But their personalities don't mesh -- Richard's fly-by-the-seat-of-his-pants detective style greatly clashes with Beckett's more conservative and methodical approach to the crimes, but the new life that Richard Castle has begun couldn't have been scripted better himself.

Genre: Drama

  • Watch Castle Season 6Updated!

    • Episode 19

      The Greater Good

      aired: Mon, Mar 24, 2014

      An investigation into the murder of a Wall Street trader takes a shocking turn when Castle and Beckett discover Gates' estranged sister is involved.

    • Episode 18

      The Way of the Ninja

      aired: Mon, Mar 17, 2014

      When Castle and Beckett investigate the mysterious murder of a Japanese ballet dancer, they end up being targeted by a ninja assassin.

    • Episode 17

      In the Belly of the BeastNew!

      aired: Mon, Mar 3, 2014

      Beckett is asked to assist with a narcotics investigation; when a routine undercover operation goes awry, Beckett is faced with dangerous men from the New York underworld.

    • Episode 16

      Room 147

      aired: Mon, Feb 24, 2014

      A guilt-ridden woman confesses to a murder, but contradictory evidence and a second confession complicate the case.

    • Episode 15

      Smells Like Teen Spirit

      aired: Mon, Feb 17, 2014

      The murder of a high school mean girl points to a teenage telekinetic.

    • Episode 14

      Dressed to Kill

      aired: Mon, Feb 3, 2014

      Castle and Beckett are thrust into the world of high fashion.

    • Episode 13


      aired: Mon, Jan 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.

    • Episode 12

      Deep Cover

      aired: Sun, Jan 12, 2014

      The murder of a video store clerk with a secret history leads the team to Castle's father.

    • Episode 11

      Under Fire

      aired: Sun, Jan 5, 2014

      Castle and Beckett suspect a serial arsonist of murder; Jenny goes into labor.

    • Episode 10

      The Good, the Bad & the Baby

      aired: Sun, Nov 24, 2013

      A dying man leaves a baby with a priest; Castle and Beckett end up taking care of the baby while they investigate.

    • Episode 9


      aired: Sun, Nov 17, 2013

      When a woman who looks very similar to Lanie is murdered, the team thinks the killer may be targeting members of the 12th precinct.

    • Episode 8

      A Murder Is Forever

      aired: Sun, Nov 10, 2013

      A well-known relationship therapist is murdered.

    • Episode 6

      Get a Clue

      aired: Sun, Oct 27, 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.

    • Episode 5

      Time Will Tell

      aired: Sun, Oct 20, 2013

      A murder suspect claims he has traveled back in time to prevent terrible events from unfolding.

    • Episode 4

      Number One Fan

      aired: Sun, Oct 13, 2013

      A desperate murder suspect insists on negotiating with Castle.

    • Episode 3

      Need to Know

      aired: Sun, Oct 6, 2013

      Agents Beckett and McCord arrive to take over Castle and the guys' investigation into the death of a former child star, creating tension in the precinct.

    • Episode 2


      aired: Sun, Sep 29, 2013

      Beckett races to find a stolen toxin capable of killing thousands of people; Castle has less than 24 hours to live after being exposed to the chemical weapon.

    • Episode 1


      aired: Sun, Sep 22, 2013

      Beckett and Castle face the consequences of their decisions during a high-stakes investigation.

  • Watch Castle Season 5

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    • Episode 24


      aired: Mon, May 16, 2011

      A professional hit man (Max Martini) with information about the murder of Beckett's mother escapes during a court hearing; Castle and the team uncover a deep conspiracy.

    • Episode 23

      Pretty Dead

      aired: Mon, May 9, 2011

      After a contestant in a beauty pageant is found strangled, many suspects turn up, including jealous fellow contestants, the pageant's sponsor (Michael McKean), and the show's host (Sasha Roiz).

    • Episode 22

      To Love and Die in L.A.

      aired: Mon, May 2, 2011

      Against orders, Beckett travels to Los Angeles while investigating her ex-partner's murder; Castle questions Beckett's motives.

    • Episode 21

      The Dead Pool

      aired: Mon, Apr 11, 2011

      Castle and Beckett investigate the death of a champion swimmer; authors Michael Connelly and Dennis Lehane give Castle advice.

    • Episode 20

      Slice of Death

      aired: Mon, Apr 4, 2011

      When a reporter is found dead inside a pizza oven, Castle and Beckett try to determine why he was murdered.

    • Episode 19

      Law & Murder

      aired: Mon, Mar 28, 2011

      A juror suddenly dies during a high-profile trial involving a murdered socialite.

    • Episode 18

      One Life to Lose

      aired: Mon, Mar 21, 2011

      When the head writer on a popular soap opera is killed with a fire axe, Castle is able to use his skills as an author to make a discovery about a killer.

    • Episode 17


      aired: Mon, Feb 28, 2011

      Castle and Beckett must set aside their differences with Agent Fallon while trying to prevent a city-wide catastrophe.

    • Episode 16


      aired: Mon, Feb 21, 2011

      While investigating an apparent robbery-homicide, Beckett and Castle discover the victim was involved in a mysterious conspiracy; as the stakes rise, a federal agent (Adrian Pasdar) takes over the case.

    • Episode 15

      The Final Nail

      aired: Mon, Feb 14, 2011

      An old friend of Castle's emerges as the prime suspect in his wife's murder.

    • Episode 14

      Lucky Stiff

      aired: Mon, Feb 7, 2011

      The murder of a lottery winner leaves Castle and Beckett with a wealth of suspects; Martha must decide what to do with her inheritance.

    • Episode 13


      aired: Mon, Jan 24, 2011

      The retired lead detective on Beckett's mother's homicide case is gunned down after telling her he has new information; Castle and Beckett's partnership grows stronger.

    • Episode 11

      Nikki Heat

      aired: Mon, Jan 3, 2011

      The owner of a historic magic shop is found dead in Houdini's water torture tank; a new romance comes to light.

    • Episode 10

      Last Call

      aired: Mon, Dec 6, 2010

      When a bar owner's body is found in the East River, the investigation takes Castle and Beckett through the forgotten tunnels and passageways of turn-of-the-century New York; Castle considers buying a bar.

    • Episode 9

      Close Encounters of the Murderous Kind

      aired: Mon, Nov 15, 2010

      When a prominent astrophysicist is found dead in her car, Castle is led to theorize her death was the result of an alien abduction.

    • Episode 8

      Murder Most Fowl

      aired: Mon, Nov 8, 2010

      While investigating a subway worker's murder in Central Park, Castle and Beckett unexpectedly uncover a boy's abduction.

    • Episode 7

      Almost Famous

      aired: Mon, Nov 1, 2010

      When Beckett and Castle respond to an 'officer down' call, they discover the victim is actually a male stripper dressed as a cop.

    • Episode 6


      aired: Mon, Oct 25, 2010

      When a beautiful woman is found dead, the evidence indicates a notorious serial killer known as The Triple Killer.

    • Episode 5

      Anatomy of a Murder

      aired: Mon, Oct 18, 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.

    • Episode 4


      aired: Mon, Oct 11, 2010

      A young mathematician is shot with a 200-year-old bullet, inspiring wild theories by Castle about a time-traveling murderer.

    • Episode 3

      Under the Gun

      aired: Mon, Oct 4, 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.

    • Episode 2

      He's Dead, She's Dead

      aired: Mon, Sep 27, 2010

      Beckett and Castle search for a psychic's killer while debating the existence of extrasensory abilities.

    • Episode 1

      A Deadly Affair

      aired: Mon, Sep 20, 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.

  • Watch Castle Season 2

    • Episode 24

      A Deadly Game

      aired: Mon, May 17, 2010

      Castle and Beckett investigate what seems to be an intelligence operative's assassination; Beckett's relationship with Demming strains her relationship with Castle.

    • Episode 23


      aired: Mon, May 10, 2010

      A robbery-homicide prompts Beckett to invite Demming to assist on a case; the investigation becomes a competition for Beckett's attention.

    • Episode 22

      Food to Die For

      aired: Mon, May 3, 2010

      A well-known chef is found frozen to death in the kitchen of a New York restaurant; Castle shares an attraction with a former classmate of Beckett's.

    • Episode 21

      Den of Thieves

      aired: Mon, Apr 19, 2010

      Castle and Beckett find that Esposito has a personal connection to a suspected killer; Beckett connects with an attractive new detective.

    • Episode 20

      The Late Shaft

      aired: Mon, Apr 12, 2010

      When talk show host Bobby Mann mysteriously dies, Castle is convinced that there was foul play; a guest on Bobby Mann's show seduces Castle.

    • Episode 19

      Wrapped Up in Death

      aired: Mon, Apr 5, 2010

      The investigation into a museum curator's death takes a bizarre turn when Castle and Beckett learn he is not the first member of a recent archaeological expedition to die.

    • Episode 18


      aired: Mon, Mar 29, 2010

      The serial killer, still at large, taunts Castle, Beckett and Shaw to catch him.

    • Episode 17

      Tick Tick Tick

      aired: Mon, Mar 22, 2010

      An accomplished and insightful federal investigator helps Castle and Beckett track down a serial killer.

    • Episode 16

      The Mistress Always Spanks Twice

      aired: Mon, Mar 8, 2010

      A half-naked woman is found hanging by bondage cuffs in a public park; the investigation takes Castle and Beckett into New York's underground world of sexual domination.

    • Episode 15

      Suicide Squeeze

      aired: Mon, Feb 8, 2010

      A beloved former professional baseball player is murdered; Alexis' genealogy project forces Castle to contemplate the identity of his father.

    • Episode 14

      The Third Man

      aired: Mon, Jan 25, 2010

      A family discovers a dead man in the house; Castle is featured as one of New York's most-eligible bachelors.

    • Episode 13

      Sucker Punch

      aired: Mon, Jan 18, 2010

      When investigating an Irish mobster's death, Beckett and Castle uncover a local turf war that may be connected to an infomercial guru and an international drug-smuggling operation; evidence causes the case to become personal for Beckett.

    • Episode 12

      A Rose for Everafter

      aired: Mon, Jan 11, 2010

      While investigating the death of a bridesmaid at a wedding, Castle runs into an old flame (Alyssa Milano).

    • Episode 11

      The Fifth Bullet

      aired: Mon, Dec 7, 2009

      When an art dealer is shot in his gallery, Castle and Beckett discover that a bullet is missing from the crime scene.

    • Episode 10

      One Man's Treasure

      aired: Mon, Nov 23, 2009

      A dead man is found stuffed in a garbage chute; Castle and Beckett have their hands full when two women arrive to identify the body- the man's wife and his fiancee.

    • Episode 9

      Love Me Dead

      aired: Mon, Nov 16, 2009

      Castle and Beckett are thrust into the world of ex-cons and escorts while investigating an assistant district attorney's murder; Castle's daughter shares a secret with Beckett.

    • Episode 8

      Kill The Messenger

      aired: Mon, Nov 9, 2009

      While investigating the murder of a bike messenger, Castle and Beckett are forced to uncover the scandals and secrets of a prominent family.

    • Episode 7

      Famous Last Words

      aired: Mon, Nov 2, 2009

      An up-and-coming rock star's body is found in a scene that appears staged from her recent music video.

    • Episode 6

      Vampire Weekend

      aired: Mon, Oct 26, 2009

      Castle and Beckett go into the heart of New York's underground vampire fetish community to investigate the murder of a young man sporting vampire fangs who had a wooden stake driven through his heart.

    • Episode 5

      When the Bough Breaks

      aired: Mon, Oct 19, 2009

      Castle's agent, Paula Haas, approaches him with a career changing opportunity which would signal end of his relationship with Beckett.

    • Episode 4

      Fool Me Once

      aired: Mon, Oct 12, 2009

      Castle and Beckett investigate the mysterious death of an Arctic explorer during a polar expedition; Castle soon grows frustrated when realizing that the elusive killer might just be fooling them all.

    • Episode 3

      Inventing the Girl

      aired: Mon, Oct 5, 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.

    • Episode 2

      The Double Down

      aired: Mon, Sep 28, 2009

      When two murders occur on the same night, Castle bets Ryan and Esposito that he and Beckett can solve their case first.

    • Episode 1

      Deep in Death

      aired: Mon, Sep 21, 2009

      Kate and Castle are still at odds with his interference in her personal life, but are forced to work together when they find a dead man in a tree; Castle struggles to finish his latest novel under the pressure of a looming deadline.

  • Watch Castle Season 1

    • Episode 10

      A Death in the Family

      aired: Mon, May 11, 2009

      After a plastic surgeon is found murdered in his car, Castle and Beckett's investigation leads them into a world of surgery-obsessed patients and covert procedures; Alexis attends her first prom.

    • Episode 9

      Little Girl Lost

      aired: Mon, May 4, 2009

      Beckett gets a surprise call from the FBI to help out on a kidnapping case, teaming Beckett with her ex-boyfriend which she still has unresolved feelings for; Castle complicates matters by being especially nosy in the investigation.

    • Episode 8


      aired: Mon, Apr 27, 2009

      A crime journalist helps Beckett and Castle in the investigation of a woman who drowned in a bathtub full of motor oil in a seedy motel; Beckett and Castle get involved in a high-stakes game of poker.

    • Episode 7

      Home Is Where The Heart Stops

      aired: Mon, Apr 20, 2009

      To investigate the murder and robbery of a rich socialite, Beckett poses as Castle's date to a charity ball; Castle seeks information from a jewel thief who finds him very irritating.

    • Episode 6

      Always Buy Retail

      aired: Mon, Apr 13, 2009

      Following the ritualistic killings of two people, Beckett and Castle enter the world of Vodun and find out the suspect is looking for forged travel papers hidden in a counterfeit bag sold to an unsuspecting woman; Castle's ex-wife, Meredith, decides she is moving back to New York.

    • Episode 5

      A Chill Goes Through Her Veins

      aired: Mon, Apr 6, 2009

      A woman's frozen body is found at a construction site leading Beckett and Castle to reopen a cold case; the case becomes more muddled when they find the husband of the deceased woman was murdered a year ago; the gruesome investigation stirs old memories from Beckett's past.

    • Episode 4

      Hell Hath No Fury

      aired: Mon, Mar 30, 2009

      Castle and Beckett investigate the death of an NYC councilman who was running for re-election; Castle's latest book hits the stands and his mother offers only negative reviews.

    • Episode 3

      Hedge Fund Homeboys

      aired: Mon, Mar 23, 2009

      Castle and Beckett investigate the case of a rich teenager found dead of a gunshot wound in a boat in Central Park lake; Castle becomes more involved in Alexis' life and make sure she is on the right track.

    • Episode 2

      Nanny McDead

      aired: Mon, Mar 16, 2009

      Castle and Beckett's first case together is to solve the mystery of the death of a young nanny inside a laundry room; their investigation leads to a twisted world of play dates between babysitters and their employers; Castle considers Beckett's character while continuing to write for his "Nikki Heat" series.

    • Episode 1

      Flowers For Your Grave

      aired: Mon, Mar 9, 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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