Castle poster

TV series

Castle

2009TV-148 seasons8.0 / 10

A whole new chapter in crime solving.

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.

Streaming, rental and purchase options

Where to watch in United States

Checked Jul 22, 2026

Castle is available to stream on Disney+, Hulu, Philo, Prime Video, and The Roku Channel in United States. You can also rent or buy it from Google Play, Amazon, Apple TV, and Fandango at Home. Use the direct links below to open the provider.

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Synopsis

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.

Season 3 episodes

Choose an episode, then use the watch options above for the show.

← Season 2

Episode 1

A Deadly Affair

44m8.0 / 10

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.

Episode credits

Directed by Rob BowmanWritten by Andrew W. MarloweGuest stars Michael Rady, Craig Gellis, Ethan Erickson, Charlene Amoia, Gino Cafarelli, Justice Gamble, Lisa O'Hare, L.T. Tolliver

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Episode 2

He's Dead, She's Dead

44m7.7 / 10

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

Episode credits

Directed by John TerleskyWritten by Moira KirlandGuest stars Rick Ravanello, Rachel Boston, Kieren Hutchison, David Gianopoulos, Paige Rowland, Mercedes Mason, Bess Armstrong, Bre Blair

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Episode 3

Under the Gun

44m7.8 / 10

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 credits

Directed by Bryan SpicerWritten by Alexi HawleyGuest stars James Handy, Jason Beghe, Brian Krause, Sophina Brown, Keith D. Robinson

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Episode 4

Punked

44m8.0 / 10

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.

Episode credits

Directed by Rob BowmanWritten by David GraeGuest stars Randal Reeder, Thomas Kopache, Muse Watson, Jim Piddock, Ian Nelson, Andrew Leeds, Ken Baumann, Victor Webster

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Episode 5

Anatomy of a Murder

44m7.8 / 10

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 credits

Directed by John TerleskyWritten by Terence Paul WinterGuest stars Michael Cassidy, A Martinez, Carlos Sanz, William Allen Young, Bo Foxworth, Erin Fleming, Brea Angelo, Sara Holden

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Episode 6

3XK

44m8.1 / 10

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.

Episode credits

Directed by Bill RoeWritten by David AmannGuest stars Brian Klugman, Anne Marie Howard, Joe O'Connor, Ping Wu, Mark Berry, Mandy Kowalski, Lee Tergesen, Michael Mosley

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Episode 7

Almost Famous

43m6.9 / 10

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.

Episode credits

Directed by Félix AlcaláWritten by Elizabeth Davis BeallGuest stars Philip Anthony-Rodriguez, Adriana DeMeo, Sam Doumit, Gideon Emery, Blake Gibbons, Leandro Cano, Mary Page Keller, Samantha Quan

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Episode 8

Murder Most Fowl

44m7.6 / 10

Castle and Beckett investigate the murder of an NYC subway worker found shot in Central Park. But, while investigating the murder they uncover the abduction of a young boy as well. The team must determine the motives behind the high stakes kidnapping in order to save the young boy's life.

Episode credits

Directed by Bryan SpicerWritten by Matt PykenGuest stars Carmen Argenziano, Ever Carradine, Claudia Choi, Ken Baumann, David Dean Bottrell, J. Marvin Campbell, Danny Downey, Presciliana Esparolini

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Episode 9

Close Encounters of the Murderous Kind

43m8.0 / 10

Castle's latest theory is alien abduction after an astrophysicist's death is found to be from explosive decompression. A well know alien abduction expert gets involved in the case. To complicate things more, a government agent wants to shut down their investigation.

Episode credits

Directed by Bethany RooneyWritten by Shalisha FrancisGuest stars Lyle Lovett, Lance Henriksen, Neil Hopkins, Nicole Bilderback, J. David Krassner, James Ellis Lane, Jeanette Brox, Karl T. Wright

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Episode 10

Last Call

44m7.9 / 10mid season

Castle and Beckett investigate the murder of a dockworker turned bar owner who's body is found floating in the East River. In the process of the investigation they uncover a secret buried since the days of Prohibition.

Episode credits

Directed by Bryan SpicerWritten by Scott WilliamsGuest stars Alexandra Barreto, Nathaniel Marston, Christopher Carrington, Michelle N. Carter, Jillian Clare, Rand Holdren, Ritu Lal, Guy Wilson

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Episode 11

Nikki Heat

43m7.5 / 10

When Castle's novel ''Heat Wave'' becomes a movie, actress Natalie Rhodes accepts Beckett's invitation to visit and learn about the character she will play; Natalie observes Castle and Beckett's investigation of the murder of a matchmaker.

Episode credits

Directed by Jeff BlecknerWritten by David GraeGuest stars Laura Prepon, Thomas Calabro, Stephen Macht, Randall Batinkoff, Tymberlee Hill, David Parker, Sahlima, Kelly Thiebaud

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Episode 12

Poof! You're Dead

44m7.1 / 10

Castle and Beckett investigate the murder of the owner of a historic magic shop found dead in a Houdini's water torture tank.

Episode credits

Directed by Millicent SheltonWritten by Terri Edda MillerGuest stars Brett Cullen, Chadwick Boseman, Carrie Genzel, Jeff Hephner, Vanessa Lengies, Sahlima, Gilles Marini, Adrian Sparks

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Episode 13

Knockdown

44m8.5 / 10

When the detective who investigated Beckett's mother's murder is shot before Beckett's eyes before he can give her new evidence in the case, Beckett's old wounds are reopened. The investigation of the detective's death leads the team to an old scheme which may provide the answer to why Beckett's mother was murdered and who ordered it. Beckett and Castle's relationship takes a new turn.

Episode credits

Directed by Thomas J. WrightWritten by Will BeallGuest stars Max Martini, Brian Goodman, John Kapelos, Chryssie Whitehead, Jonathan Adams, Joel Polis, Brian R. Norris, Lisa Cash

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Episode 14

Lucky Stiff

44m7.7 / 10

The brutal murder of a lottery winner has Castle and Beckett up to their eyeballs in suspects, envious and angered by the victim's sudden move from the poorhouse to the penthouse. As the precinct buzzes with fantasies of what our cops would do if they won the lottery, Martha struggles with the reality of such a decision when she suddenly inherits money she feels she doesn't deserve.

Episode credits

Guest stars Clare Carey, Joe Reegan, Gregory Alan Williams, Ned Bellamy, Alastair Duncan, Wilmer Calderon, Brian Michael Jones, Josh Wingate

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Episode 15

The Final Nail

44m7.0 / 10

Castle and Beckett find themselves on opposite sides of the case when Castle's old school friend emerges as the prime suspect in his own wife's murder. As they work to solve the crime, Castle comes to realize that one of two terrible things must be true... Either Detective Beckett is about to arrest an innocent man for murder, or his old friend is a cold-blooded killer.

Episode credits

Directed by John TerleskyWritten by Moira KirlandGuest stars Jason Wiles, Tom Irwin, Andrea Bogart, Alicia Coppola, Ethan Phillips, Jack Dimich, Efrain Figueroa, Marlene Forte

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Episode 16

Setup (1)

44m8.2 / 10

Castle and Beckett investigate the apparent robbery-homicide of a New York cab driver, only to discover that the victim was involved in a mysterious conspiracy with unimaginable consequences. As the stakes continue to rise, hard-charging federal agent Mark Fallon takes over the investigation. Together, Fallon, Beckett and Castle must race to unmask the truth about the victim before it's too late.

Episode credits

Directed by Rob BowmanWritten by David AmannGuest stars Bahar Soomekh, Lochlyn Munro, Victor Webster, Adrian Pasdar, Alon Aboutboul, David Weidoff, Matt Bushell, Piter Marek

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Episode 17

Countdown (2)

44m8.3 / 10

With time running out, Castle and Beckett must put aside their differences with Agent Fallon to avert a city-wide catastrophe.

Episode credits

Directed by Bill RoeWritten by Andrew W. MarloweGuest stars Bahar Soomekh, Lochlyn Munro, Monica Keena, Victor Webster, Adrian Pasdar, Alon Aboutboul, Piter Marek, Jonathan Runyon

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Episode 18

One Life to Lose

44m7.6 / 10

A murder has been committed on the set of "Temptation Lane", one of New York's longest running soap operas.

Episode credits

Directed by David BarrettWritten by Elizabeth Davis BeallGuest stars Corbin Bernsen, Rebecca Budig, David Eigenberg, Tina Majorino, Cameron Mathison, Jane Seymour, Colleen Foy, James C. Victor

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Episode 19

Law & Murder

44m7.6 / 10

During the high profile trial of a murdered socialite, a juror tumbles out of the jury box....dead.

Episode credits

Directed by Jeff BlecknerWritten by Terence Paul WinterGuest stars Larry Clarke, Bruce Davison, Jeremy Glazer, Michael Maize, Jim Meskimen, Kathleen M. Darcy, Jesse Hlubik, Judith Moreland

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Episode 20

Slice of Death

44m7.5 / 10

When a reporter is found dead inside a restaurant's pizza oven, Beckett and Castle go to work on solving the case. They must figure out if his story "The Pizza Wars" is what got him killed or if there's something more to the story.

Episode credits

Directed by Steve BoyumWritten by Scott WilliamsGuest stars Gary Basaraba, Darin Brooks, Peter Onorati, Beth Behrs, John Ciccolini, Alton Clemente, Gregg Daniel, Joe Guzaldo

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Episode 21

The Dead Pool

44m7.8 / 10

When a champion swimmer and Olympic hopeful is found dead in a training pool, Castle & Beckett dive in to investigate his murder, and uncover myriad secrets that might have led to his death.

Episode credits

Directed by Paul HolahanWritten by Matt PykenGuest stars Justin Bruening, Brendan Hines, Erik Palladino, Andrew Lawrence, Josie Loren, Peter Parros, Kathleen Mary Carthy, Lindsey Sporrer

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Episode 22

To Love and Die in L.A.

44m8.0 / 10

While investigating the shooting death of her ex-partner in New York, Beckett comes to believe the suspect has fled to Los Angeles. Against orders, she travels to L.A., going renegade to track down the killer, with Castle unexpectedly along for the ride. As they dig deeper into the motives, they uncover a trail that leads from a rooftop pool in Hollywood to the sandy beach of Santa Monica. Along the way, they visit the set of the "Heat Wave" movie (based on Castle's book) and enlist the cast to help break the case. But as they get closer to apprehending the killer, Castle begins to wonder whether Beckett is out for justice or revenge.

Episode credits

Directed by John TerleskyWritten by Alexi HawleyGuest stars Derek Phillips, Gene Simmons, Dominic Purcell, Jason Beghe, Jason George, P.J. Byrne, D. B. Sweeney, Todd Sherry

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Episode 23

Pretty Dead

43m6.9 / 10

During rehearsal for "Baron's All-American Beauty Pageant," the contestants are shocked to discover the body of Miss Illinois - strangled, but by whom? As Castle and Beckett delve into the cut-throat competition of the pageant world, they learn that a number suspects had motive for murder, including jealous fellow contestants, the pageant's larger-than-life millionaire sponsor, Victor Baron, and the show's host -- hedonistic TV personality, Bobby Stark.

Episode credits

Directed by Jeff BlecknerWritten by Terri Edda MillerGuest stars Michael McKean, Sasha Roiz, Amanda Schull, Judith Scott, Jonathan Slavin, Bellamy Young, Ken Baumann, Terrell Clayton

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Episode 24

Knockout

44m8.5 / 10finale

Kate Beckett's investigation into her mother's death is reactivated when Hal Lockwood - a professional hitman with knowledge of Beckett's mother's murder - stages a spectacular escape during a court hearing. As police launch a manhunt for Lockwood, Castle and the team uncover evidence of a deeper conspiracy involving a mysterious figure with law enforcement connections who is linked to both Lockwood's escape and the killing of Johanna Beckett. The search for Lockwood and the quest to identify his co-conspirator leads to a shocking and deadly conclusion.

Episode credits

Directed by Rob BowmanWritten by Will BeallGuest stars Max Martini, Brian Goodman, Judith Scott, George Gerdes, Matt McTighe, Malcolm Foster Smith, Danièle Watts, Sean Blodgett

Where to watch Castle

Episode information updated Jul 24, 2026

More about Castle

Cast

Nathan FillionRichard Castle
Stana KaticKate Beckett
Molly C. QuinnAlexis Castle
Jon HuertasJavier Esposito
Seamus DeverKevin Ryan
Susan SullivanMartha Rodgers
Ruben Santiago-HudsonRoy Montgomery
Tamala JonesLanie Parish

Credits

Created by
Andrew W. Marlowe

Production details

Status
Canceled
Series type
Scripted
Episodes
173
Original language
English

Networks & production

  • ABCUnited States
  • Beacon PicturesUnited States
  • Experimental Pictures
  • ABC StudiosUnited States
  • The Barry Schindel CompanyUnited States
  • MilMar Pictures

Themes

criminal consultantcriminal investigationfemale detectivehomicide detectivenew york citynovelistpolicepolice procedural