Following his successful completion of the Captain's exam last season, Beckett received an unexpected proposition: a run for State Senate. In the season premiere, amidst the usual intensity of their work, Castle and Beckett navigate the com…

The circumstances surrounding Beckett’s sudden vanishing begin to emerge. A cryptic message from her past sets her on a desperate struggle for survival, pursued by a relentless team of mercenaries. As Castle investigates his wife's flight, …

The discovery of a local college fraternity member, brutally murdered, forces Castle to assume a precarious role: that of a professor, allowing him entry into the victim's orbit. But he and Beckett soon find that beneath the veneer of colle…

The death of Alistair Finch, a writer known for his profound seclusion and fervent following, ignited a fierce resolve within Castle. He was determined to unravel the mystery of his idol’s demise. Yet, with each layer peeled back by Castle …

The theft of an irreplaceable masterpiece, coupled with the murder of its handler, compels Castle and Beckett to collaborate with the sole witness in a desperate bid to recover the painting and expose the perpetrator.

Detective Slaughter sought out Castle's assistance with a daring robbery. However, the discovery of a body connected to the crime shifted the focus dramatically. Suddenly, Slaughter himself became the prime suspect in the escalating situati…

To find the ruthless killer of a charming but unscrupulous man, Castle and Beckett must delve into the circles of New York’s wealthiest and most influential. At the same time, Castle is making arrangements for a surprise on their upcoming o…

Castle and Beckett begin an investigation into the death of a performer aboard a cruise liner, only to discover themselves adrift at sea with the murderer.

The discovery of a body within the set of Martha's newest production draws Castle and Beckett into a realm far more perilous than they anticipated: the fiercely competitive world of a capella.

The trial Castle had long awaited began with his testimony as the pivotal witness in a murder case dating back five months. However, the emergence of unforeseen evidence thrust him and Beckett into a desperate race against time to ensure ju…

The murder of a Russian diplomat's son plunges Beckett and Castle into a perilous world of international intrigue and retribution. Their investigation quickly becomes complicated by the presence of Dimitri Volkov, a seemingly affable Russia…

Imprisoned, Castle finds himself compelled to collaborate with unfamiliar individuals, navigating a labyrinth of perplexing puzzles and psychological games. Meanwhile, Beckett and the detectives of the 12th Precinct are in a desperate race …

Detective Beckett and the 12th Precinct investigate the murder of a student learning English. Their progress stalls, however, when the victim’s classmates refuse to cooperate with the police. Consequently, Castle assumes the identity of a F…

Castle returned to Los Angeles, seeking clarity about the lost days of his memory. However, his quest for answers takes a perilous turn when he is enlisted by the fabled Greatest Detective Society to assist in solving a murder.

The death of an NYPD recruit officer sends Beckett and her team returning to the academy where they once trained, to unravel the circumstances surrounding the tragedy. Separately, Castle faces a choice with implications that could deeply af…

The discovery of a single clue at the armored-car driver's death scene pulls Beckett and Castle back into a case previously resolved by Esposito. However, their renewed investigation takes a complicated turn as they begin to suspect Esposit…

A death linked to the illicit trade in Turkish artifacts sets Castle, Beckett, and the 12th Precinct on a hunt for a missing antique – an artifact rumored to be Aladdin's lamp. They hope the object's discovery will unravel the mystery of th…

Having done a kindness for a friend from her past, Hayley finds herself entangled in a murder and a sophisticated cyberattack. Immediately, Beckett and Castle must race against time to unravel the case and prove Hayley's innocence.

A city safety inspector, known for his quiet demeanor, miraculously recovers from a poisoning – a stroke of fortune, perhaps. But when he survives a second such attack, the circumstances become perplexing, demanding an investigation that Ca…

The death of the movie star who had recently taken to the stage was unsettling, shrouded in an inexplicable mystery. Castle and Beckett moved through the labyrinthine backstage corridors, discovering that the celebrated actor’s troubles ext…

The death of a man, a former patient with a history of violent tendencies and a penchant for wielding an axe, found in Castle’s private investigator's office, sets off a disturbing chain of events. As Castle and Beckett delve into the case,…

Armed with the crucial lead they'd been seeking, Castle and Beckett prepared to confront LokSat. However, an unexpected complication threatened not only their investigation but their very safety.