Top Rated Episodes of Castle
Explore the highest rated episodes of Castle ranked by viewer scores and vote count. Discover fan favorites, standout episodes, and the most popular moments from the series.
#1. Knockout
The reopening of Kate Beckett’s investigation into her mother’s death is ignited by Hal Lockwood, a professional assassin possessing intimate knowledge of the murder. He orchestrates a dramatic escape during a court…
#2. Knockdown
The shooting of the detective investigating Beckett’s mother’s murder, occurring just as he was about to present new evidence, stirs up old pain within her. The subsequent investigation into the detective’s death…
#3. Always
The killing of a veteran sends Beckett spiraling into a relentless pursuit of the shooter, forcing Castle to confront the limits of his devotion to her. As long-buried truths surface and unspoken…
#4. Tick, Tick, Tick... (1)
Federal Agent Jordan Shaw, a sharp and highly regarded investigator for the federal government, joins forces with Castle and Beckett to track a cunning and elusive serial killer.
#5. Heroes & Villains
The death of a former convict in a darkened alley presents Castle and Beckett with a perplexing case: the work of a vigilante, it seems. Their pursuit of the perpetrator, however, is…
#6. 47 Seconds
The blast at the rally claimed five lives, and for Castle and Beckett, the investigation hinged on the moments leading up to the explosion – a crucial forty-seven seconds. They meticulously pieced…
#7. Probable Cause
In the course of a disturbing investigation into a ritualistic murder, Beckett and her team uncover compelling evidence suggesting Castle’s involvement in the crime. As the weight of this evidence grows, the…
#8. Countdown (2)
As the clock dwindled, Castle and Beckett were compelled to set aside their disagreements with Agent Fallon, a desperate measure to prevent a city-wide disaster.
#9. Veritas
Beckett’s clandestine inquiry into her mother’s death takes a dangerous turn with the unexpected killing of a man under her observation. When forensic evidence implicates her in the crime, Beckett and Castle…
#10. Cuffed
Awakening in a locked room, Castle and Beckett find themselves bound together by handcuffs, their minds shrouded in a disconcerting blankness regarding their arrival. They must unravel the enigma of their location…
#11. Sucker Punch
In the course of examining the death of an Irish mob figure, Beckett and Castle stumble upon a simmering local conflict, one that appears linked to a peculiar infomercial celebrity and a…
#12. Boom! (2)
The narrative continues from where it left off in "Tick, Tick, Tick." The serial killer remains at large, his presence a chilling echo as he openly taunts Castle, Beckett, and Jordan Shaw,…
#13. Setup (1)
Castle and Beckett find themselves investigating the seemingly straightforward robbery-homicide of a New York City cab driver. Their inquiry, however, quickly reveals a far more intricate and dangerous reality: the victim was…
#14. After the Storm
The following morning, Castle and Beckett faced a difficult question: had their night together been a fleeting moment, or the beginning of something more? Yet, before they could truly explore the possibilities…
#15. Castle, P.I.
Following his expulsion from the 12th Precinct, Castle takes on his first case as a private investigator.
#16. Headhunters
As friction mounts between Castle and Beckett, Castle is assigned a new partner: Detective Ethan Slaughter (guest star Adam Baldwin, of "Firefly"), a hardened and unconventional officer from the city's gang unit.…
#17. 3XK
The discovery of a beautiful woman’s body in a darkened alley immediately implicated the Triple Killer. Four years prior, the notorious killer – known only as 3XK – had gripped New York…
#18. Target (1)
The first part of a two-part narrative finds Castle and Beckett embroiled in a murder investigation that quickly unravels into a more sinister plot: the kidnapping of a prominent Middle Eastern businessman's…
#19. Pandora (1)
Castle and Beckett find themselves hunting a merciless killer, their investigation leading them into the heart of a disturbing, global conspiracy. Joining them in this perilous pursuit is Sophia Conrad, a sharp…
#20. In the Belly of the Beast
Recruited to aid in a narcotics investigation, Detective Beckett finds a routine assignment spiraling into lethal chaos when an undercover operation unravels. To endure, she must navigate a perilous contest of intellect…
#21. The Final Frontier
The discovery of a body at a science fiction convention pulls Castle and Beckett into the vibrant, often bewildering core of fandom. They find themselves immersed in a universe of larger-than-life personalities,…
#22. A Deadly Affair
The door yielded to the force of Beckett and her team, revealing a scene bathed in grim stillness. There, Castle stood over the body of a woman, a gun held loosely in…
#23. Punked
Castle and Beckett investigate the murder of a young mathematician, killed by a bullet dating back two centuries, a detail that ignites outlandish theories in Castle's mind about a killer who can…
#24. Close Encounters of the Murderous Kind
Dr. Castle’s current hypothesis centers on extraterrestrial abduction, prompted by the discovery that a prominent astrophysicist died from catastrophic decompression. The case has drawn the attention of a respected expert in alien…
#25. To Love and Die in L.A.
In New York, investigating the fatal shooting of her former partner, Detective Beckett grows convinced the suspect has fled to Los Angeles. Disregarding orders, she journeys to L.A., operating outside protocol to…
#26. Demons
In the opulent halls of a New York mansion, a renowned ghost hunter is found dead, the circumstances shrouded in mystery. Castle and Beckett find themselves drawn into the case, compelled to…
#27. Cops & Robbers
A team of bank robbers, costumed as figures from vintage television dramas, take hostages, among them Castle and Martha. The situation is further complicated by the presence of Beckett outside, every action…
#28. Linchpin (2)
Castle and Beckett are in a desperate race against time to locate the "Linchpin"—the single element that will trigger a cascade of events leading the United States into war. Their pursuit draws…
#29. Recoil
In the course of investigating a young woman’s murder, Castle and Beckett uncover evidence suggesting a connection to Senator William H. Bracken, the man responsible for the death of Beckett's mother. Driven…
#30. The Blue Butterfly
Castle and Beckett’s investigation into the death of a treasure hunter quickly reveals a connection to a perplexing unsolved homicide from 1947, one involving a world-weary private detective. It becomes clear to…
#31. The Fifth Bullet
Castle and Beckett’s investigation into the shooting of an art dealer in his gallery reveals a curious detail: a bullet is unaccounted for at the scene. The discovery prompts them to seek…
#32. Last Call
Castle and Beckett are called upon to investigate the death of a dockworker who had since become the owner of a bar. His body is discovered floating in the East River, and…
#33. Kill Shot
New York City is gripped by fear, stalked by a sniper who seems driven only to inflict terror. With each tick of the clock bringing the next potential victim closer, and the…
#34. Secret Santa
A bizarre incident draws Castle and Beckett into an investigation: a bearded man identifying himself as Kris Kringle has inexplicably fallen from the heavens in Central Park. Amidst the unusual case, the…
#35. Hunt (2)
The story's intense culmination, the second part of a two-episode arc, sees the FBI’s efforts to retrieve his daughter fall short. Driven by desperation, Castle seeks assistance from a discreet and enigmatic…
#36. Like Father, Like Daughter
Alexis seeks Castle's assistance with an Innocence Review, determined to demonstrate the wrongful conviction of Frank Henson, a man scheduled to die. With a mere seventy-two hours remaining before his execution, Castle…
#37. Smells Like Teen Spirit
The death of a popular student at a local high school pulls Castle back to his own past, to a place he hasn't seen in years. He finds himself unexpectedly thrilled by…
#38. The Way of the Ninja
The sudden death of a Japanese ballet dancer, shrouded in mystery, draws Castle and Beckett into an investigation of her hidden world. As they delve deeper, they uncover compelling evidence suggesting a…
#39. The Wild Rover
The discovery of a body within an industrial cake mixer leads Castle and Beckett to an Irish gang operating in Staten Island, and a captivating bar owner named Siobhan O’Doul. Unexpectedly, Detective…
#40. Rise
Detective Beckett fought for survival, while Castle wrestled with the weight of his involvement in the unfolding tragedy, desperate to identify the perpetrator behind her vicious attack. At the precinct, a shift…
#41. Under the Gun
The appearance of a coded document draws Castle’s attention, compelling Beckett to refocus the investigation on the violent criminals who frequented their victim’s orbit. Meanwhile, with the arrival of his former partner,…
#42. The Dead Pool
The discovery of a champion swimmer, an Olympic hopeful, in a training pool brings Castle and Beckett into an investigation. As they delve deeper, they uncover a complex web of secrets, each…
#43. Anatomy of a Murder
During a funeral procession, a woman unknown to those present unexpectedly falls from the casket alongside the deceased. The pallbearers, overwhelmed by the sudden movement, lose control, and the casket lurches. This…
#44. After Hours
Following a disastrous dinner with the parents, Castle and Beckett are dispatched to find the sole witness to a murder. Their mission quickly turns perilous when they are ambushed, forcing them to…
#45. Scared to Death
Three days after viewing a purportedly haunted DVD, a young woman is found to have died, seemingly from terror. Castle and Beckett find themselves drawn into one of their most unsettling investigations.…
#46. Secret's Safe with Me
The unlikely confluence of a foreclosed storage unit, opportunistic treasure hunters, and Manhattan's elite social circle forms the backdrop for a baffling murder. Driven by a need for answers, Castle resolves to…
#47. Room 147
Haunted by remorse, a young woman confesses to the killing of a struggling actor, revealing intimate details known only to the perpetrator. For Beckett and Castle, it appears a straightforward case, closed.…
#48. Resurrection (1)
When the evidence in a murder case points to Dr. Kelly Nieman, a persistent adversary of Castle and Beckett, Castle is brought in to advise on the investigation.
#49. Hollander's Woods
The death discovered deep within the woods stirs something terrifying and formative within Castle's past. The ensuing investigation becomes an obsession, driving him to seek answers that have remained hidden for years.…
#50. Valkyrie (1)
The previous season concluded with Beckett grappling with a significant career choice: a prominent position in Washington, D.C. This dilemma was further complicated by Castle's proposal of marriage. In the Season 6…
Best Episodes of Castle
This ranking highlights the best episodes of Castle based on viewer ratings and audience votes. The list includes fan favorite episodes, top ranked moments, and the highest rated entries in the series.
Whether you are looking for the most popular episodes, revisiting standout moments, or exploring every episode ranked from best to worst, this guide provides a complete overview of the show's strongest episodes.
Every Episode Ranked
These top rated episodes of Castle are ranked according to audience scores and vote totals. The ranking highlights fan favorite episodes, the most popular episodes, and the highest rated moments from the series.
If you are looking for the best episodes of Castle, this list showcases the strongest entries ranked from highest to lowest based on viewer feedback.