Castle and Beckett are engaged. Beckett starts FBI training in Washington D.C. and is assigned to a case. Someone broke into a secured building and may have stolen codes. ...

The FBI continues to track leads to the person who stole the deadly chemical. It is a race against time, since they need the antidote for Castle who has been infected wit ...

Perhaps partially annoyed by Alexis's ever-present house-guest Pi's health food obsession, Castle is ready to move to DC so he can be with Becket again. For now, he's tor ...

Ex-con, Angelo Vasquez, reformed for ten years but unemployed, was murdered in the home of his fiancée, Emma Briggs. She ran, took hostages in a dentist's office and ask ...

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 ...

A woman was fatally stabbed with a colonial type of sword, apparently a ritual murder. She recently took a great, atypical interest in the occult, but that was just for a ...

15 years ago a boy was charged guilty for having killed the girl across the street. Today, he stands in court one last time to hear that he has three days left to live be ...

Castle and Becket bicker about compromise regarding a shared living space while investigating the murder of a famous author and the unofficial relationship therapist of t ...

Separately, a man and first a woman are torturous strangled with steel fishing wire, the bodies made to resemble Esposito viz. Lanie well before. They have no apparent co ...

A bleeding man stumbles into a church and, just before dying, hands a mysterious bundle to the priest. When the bundle turns out to be a smiling baby boy, Castle and Beck ...

When Castle and Beckett discover that the victim of a building fire was actually shot to death, they get on the trail of a serial arsonist turned murderer. Meanwhile, Rya ...

Ted Rollins, employee at a huge sum transactions firm, is found dead in his apartment. He lived way above his means and financially helped his father and brother. Castle' ...

The 12th Precinct takes the case of Mandy Sutton, a teenage pop star, whose rise to fame brought with it media attention and anti-social behaviour. Meanwhile, Beckett exp ...

Ella Hayes, PA of the leading fashion magazine's tyrannic CEO Matilda King, is found in a dumpster, strangled with a blue scarf. She and her colleague were fired shortly ...

Castle and Beckett investigate the death of a mean high school girl at one of Castle's alma maters. Castle is thrilled when he discovers that it might be the work of a te ...

Castle and Beckett are baffled when a confused woman with an unshakable alibi gives a detailed and convincing confession to a murder. Then a second person walks into the ...

Beckett is recruited to assist on a Narcotics investigation, but a routine mission turns deadly when an undercover operation goes awry. To survive, Beckett must engage in ...

Investigating the killing of a Japanese ballerina, Castle and Beckett find a shrine with the murder weapon in an old factory. Then, when the two are separated, Castle is ...

Investigating the death of a Wall Street trader leads Castle and Beckett to discover that the victim was an undercover informant for the U.S. Attorney's office. ...

When construction workers uncover a mobster's body buried in concrete for 35 years, Castle and Beckett must try to talk to a fellow mafioso so stricken with grief that he ...

Skateboard pro Logan Moore was killed while visiting New York for a major tournament. Only main rival Manny Castro seems to benefit, but the team also find links to Enver ...

Kate Beckett is following a man she believes is related to the death of her mother. The man turns up dead the next morning. They discover that the man was killed by Vulca ...

When Castle and Becket apply for their marriage license, they find out that Becket is already married. They have to track down the husband and get him to sign divorce pap ...