12,870 votes


ABC 2009

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.

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The 10 Best Episodes of Castle

Castle - S4E23

#1 - Always


Season 4 - Episode 23

When the murder of an Army veteran puts Beckett on the trail of the man who shot her, Castle must decide how much he's willing to sacrifice to keep her safe. As secrets are revealed and feelings are put on the table, the lives of the detectives at the 12th Precinct may never be the same.

The episode was rated from 1070 votes.

Castle - S5E16

#2 - Hunt (2)


Season 5 - Episode 16

In the powerful conclusion of a two-episode story arc, when the FBI fails to get his daughter back, Castle takes matters into his own hands, reaching out to a shadowy fixer to help him recover Alexis. But Castle soon learns that his daughter's kidnapping may be part of an even more sinister agenda.

The episode was rated from 1083 votes.

Castle - S3E24

#3 - Knockout


Season 3 - Episode 24

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.

The episode was rated from 905 votes.

Castle - S3E17

#4 - Countdown (2)


Season 3 - Episode 17

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

The episode was rated from 896 votes.

Castle - S5E19

#5 - The Lives of Others


Season 5 - Episode 19

In the show’s 100th episode, Castle finds himself in the unfortunate position of NOT being able to work a case. While he’s holed up in the loft with a broken leg, Beckett goes off to investigate the death of an IRS agent without him, leaving Castle miserable and bored. But when he thinks he witnesses the murder of a young woman in the apartment across the street, he is thrown into a "Rear Window"-esque murder mystery that hits much too close to home.

The episode was rated from 1211 votes.

Castle - S5E15

#6 - Target (1)


Season 5 - Episode 15

In the first of a two-episode story arc, Castle and Beckett begin a murder investigation that also exposes a plot to kidnap the daughter of a wealthy Middle Eastern businessman. FBI Agent Harris, an even-keeled professional is brought in to help find the kidnappers.

The episode was rated from 1055 votes.

Castle - S3E13

#7 - Knockdown


Season 3 - Episode 13

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.

The episode was rated from 877 votes.

Castle - S5E1

#8 - After the Storm


Season 5 - Episode 1

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.

The episode was rated from 1110 votes.

Castle - S4E7

#9 - Cops & Robbers


Season 4 - Episode 7

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.

The episode was rated from 934 votes.

Castle - S2E17

#10 - Tick, Tick, Tick... (1)


Season 2 - Episode 17

Federal Agent Jordan Shaw, an insightful and accomplished Federal investigator teams up with Castle & Beckett to hunt down a cunning and elusive serial killer.

The episode was rated from 924 votes.

Castle - S5E5
#11 - Probable Cause
Season 5 - Episode 5

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

The episode was rated from 1112 votes.
Castle - S6E22
#12 - Veritas
Season 6 - Episode 22

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.

The episode was rated from 1346 votes.
Castle - S4E22
#13 - Undead Again
Season 4 - Episode 22

When Castle and Beckett investigate the murder of a man with human bite marks on his body, Castle's wild theories start flying. But none are as wild as what their only witness insists happened - a Zombie attack. As the evidence pointing towards an undead assailant piles up, the team plunges into New York's Zombie subculture to find the killer and bring him in -- dead, undead or alive

The episode was rated from 927 votes.
Castle - S3E16
#14 - Setup (1)
Season 3 - Episode 16

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.

The episode was rated from 884 votes.
Castle - S6E5
#15 - Time Will Tell
Season 6 - Episode 5

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?

The episode was rated from 1335 votes.
Castle - S6E9
#16 - Disciple
Season 6 - Episode 9

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.

The episode was rated from 1328 votes.
Castle - S2E18
#17 - Boom! (2)
Season 2 - Episode 18

In the second part of the story begun in "Tick, Tick, Tick," the serial killer remains at large and is taunting Castle, Beckett and Jordan Shaw to catch him

The episode was rated from 894 votes.
Castle - S4E15
#18 - Pandora (1)
Season 4 - Episode 15

Castle and Beckett pursue a ruthless killer who, they discover, is part of a sinister, international conspiracy. Castle and Beckett are joined on the case by Sophia Conrad, a smart, sexy CIA operative who has a complicated past with Castle.

The episode was rated from 917 votes.
Castle - S4E16
#19 - Linchpin (2)
Season 4 - Episode 16

Castle & Beckett race to find the "Linchpin" in order to stop the first domino in a chain of events which will plunge the United States into war. Their efforts continue to put Castle in contact with Sophia Conrad - a smart, commanding and sexy CIA operative who was Castle's inspiration for Clara Strike in the "Derrick Storm" series of books; and intelligence officer Martin Danberg is back.

The episode was rated from 901 votes.
Castle - S5E24
#20 - Watershed
Season 5 - Episode 24

In the season finale, an interview with a high-profile federal law enforcement agency forces Beckett to reconsider what she wants out of her job and out of her relationship with Castle. Meanwhile, the body of a young woman is found floating inside the water tank of a skid row flop house, but as the team investigate, they discover that her final resting place is just one of many strange things about her death.

The episode was rated from 1138 votes.

Last updated: jul 06, 2022



Pretty much just another crime drama show, although it trends on the quirky side, similar to Rizzoli & Isles and Bones. The one thing about this show that keeps me watching though is Captain Hammer. Nathan Fillion could have a show about tying shoelaces and I would probably still watch.


This is without a doubt the best show ever. Each episode is so intriguing- great writing and the characters are the ultimate!


The best show ever!!!! :)


I've come to the conclusion that this is a show is about two psychopaths. You have two people who week after week are tortured, shot, stabbed, kidnapped, beaten or in some other manner nearly killed, yet, afterwards it's a romantic dinner, some sexual innuendos and work as usual the following morning. These are two sick twisted individuals.


First few seasons were great.


good show, but it would be nothing without Nathan Fillion's fantastic charm


Decent drama cop show, enjoyed watching it. I thing the ending was worth a little more thinking about rather than this, but oh well.


For 8 years this has been one of my favorite shows. The charisma and childlike curiosity of Rick "Castle" is entirely enjoyable, and it was joyous to see the interactions with Kate, her typical procedure-centric attitude which occasionally revealed a similar mischievous persona underneath. At some times this show was a standard (good) police procedural "murder of the week" type, but occasionally let itself stretch and entertain more fantastical story-lines. Secret underground bunkers stretching across NYC, a man who couldn't die, a hundred year battle against satanic cultists, a sword-fighting riddle hunt, and my favorite episode with actual ninjas. Given the amazing cast of characters and story it was the greatest regret (and shock) to hear this show was canceled. It was obvious the showrunners didn't expect the cancellation either, as the season 8 finale ended up becoming the series finale, and it wasn't pretty. The show ended with a scene tacked onto the episode aftermath with only a voiceover and written screen message saying "7 years later". Makes me incredibly sad to have the show end this way, but I can say without hesitation that these 8 seasons are entirely worth watching. Sit tight and enjoy.


It is a guilty pleasure.


I love this show!


This show should really be titled “Beckett” because it is really about the growth of Beckett. Castle is a classic case of a show overstaying its welcome. The first few seasons were great and it went downhill quick after that. The eighth season was horrible and the ending to the series was a joke -- the end of the seventh season was actually a pretty good end for the series, but they had to go on and that just ruined in.

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