The call brought Beckett to a scene of devastation: Castle’s car lay in the ravine below, consumed by fire.

As the team delves into the murder of a toy company's chief executive, Castle stumbles upon a clue regarding the CEO’s vanishing, drawing him into a perilous inquiry of his own.

The death of a pool hustler, seemingly caused by something beyond the natural world, draws Castle and Beckett into a case hinting at the paranormal. As they investigate, evidence suggests a killer wielding abilities that defy explanation. S…

The shooting of an ice cream vendor offered Beckett and Castle a puzzling thread: a rumor of a second-grader possessing crucial details. Castle embarked on an undercover assignment at a local elementary school, hoping to locate this elusive…

The death of a prominent online personality draws Castle and Beckett into the dazzling, often superficial, realm of internet celebrity. Their investigation takes a chilling turn when the perpetrator uploads images from the crime scene to a …

A murder investigation throws Castle into a reality subtly askew; he finds himself in a world where he has never encountered Kate Beckett. To navigate this unfamiliar landscape and return to his own existence, Castle must persuade Beckett, …

News of a possible poisoning at a remote, Old West-themed resort draws Castle and Beckett into the case. To unravel the truth, they decide to infiltrate the resort, adopting the guise of a newly married couple.

A chilling crisis grips the city when a lone gunman, calling himself Castle, takes subway passengers hostage, including Detective Esposito. With time running out, Castle, Beckett, and their team must race to decipher the gunman's motives be…

The leading man of Castle's beloved 1980s action film is found dead, a perplexing mystery that draws Castle and Beckett into the victim's hidden history. They embark on a hunt for the killer, finding unexpected assistance from a group of re…

The death of an emergency room physician in broad daylight quickly draws Castle and Beckett into a case far more complicated than it initially appears. They soon learn the victim served as a doctor for a Mafia family, headed by a man who wa…

Following his expulsion from the 12th Precinct, Castle takes on his first case as a private investigator.

The death of a young actress draws Beckett and Castle into the dazzling, theatrical realm of a telenovela.

Castle accepted a typical private investigator's assignment, but the case quickly spiraled into danger when he inadvertently witnessed a murder.

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.

The pressure intensifies as the 12th Precinct finds itself locked in a deadly game of cat and mouse with the notorious serial killers, Jerry Tyson (3XK), and Dr. Kelly Nieman. With each passing moment, the team, led by Castle, must unravel …

A tragedy has occurred within the confines of a Mars simulation – an astronaut, preparing for a journey to the red planet, has been found dead. Castle and Beckett are dispatched to the scene, donning their own spacesuits to examine the seal…

The inexplicable death of a man in the park draws Castle and Beckett into an uneasy alliance with a formidable detective from Hong Kong. She possesses crucial details about the victim, but as Beckett pursues the investigation, unsettling do…

Detective Kevin Ryan, assigned to protect a prominent congressman at a fundraising gala, finds his carefully maintained security detail shattered by the sudden eruption of gunfire. Determined to bring the perpetrator to justice, Ryan retrac…

The death of Richie "The Pitbull" Falco, a personal-injury attorney known for his imposing presence, draws Beckett and Castle into an investigation. They examine the extensive list of clients and rivals who possessed reason to want him gone…

Castle and Beckett are haunted by a persistent, enigmatic dream, compelling them to unravel the details of the two months he vanished. Their pursuit of answers, however, unlocks a path fraught with peril.

The journey to London, a familiar flight for Castle and Alexis, takes a dark turn when the plane's Air Marshal is discovered murdered. With Beckett providing crucial assistance from the ground, Castle and Alexis must now race against time t…

The death of Sid Ross, the influential mind behind a popular sketch comedy program, brought Castle and Beckett into the investigation. As they explored the life of the deceased and the vibrant landscape of "Saturday Night Tonight," they une…

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. Meanwhile, Beckett co…