Castle finally gets Beckett, who admits so only in therapy, she may have made him wait too long when he teams up for an investigation with her colorful colleague detectiv ...

A devilishly handsome detective from Scotland Yard teams up with Castle and Beckett to find the person responsible for the murder of his friend's daughter. Also, Castle a ...

The FBI commandeers the NYPD detectives for little more than leg work after a bomb explodes during an anti-globalist demonstration. Castle is asked by Captain Gates to he ...

During recording of TV show A Night of Dance, spoiled-rotten rich girl Odette Morton, who made it to the semi-final, is murdered in her easily accessible dressing room. S ...

One by one, successful career women, in party costumes from the same shop, are poisoned and staged murdered in ways, to fit the Grimm fairy tail characters of Red Riding ...

CIA agent Sophia Turner kicks Castle and Beckett of the investigation since they didn't contact her about Blakely. However, she turns up in Castles's apartment with more ...

The team's reputation is dented when Thomas Gage, a ruthless murderer whose identity proves totally faked, not only acts smug when arrested, but manages, as cryptically p ...

Castle senses a diary of a P.I from the 40's found in the effects of a murdered modern-day treasure hunter is the key to finding the Blue Butterfly, a blue-diamond neckla ...

Dog trainer Francisco Pilar is murdered after naming Best of Show at a dog show. Castle gets the Labrador he was training temporarily adopted as team mascot, and his nose ...

When a woman is found murdered in her car, Beckett and her team's investigation leads them directly to City Hall... specifically to the Mayor, Robert Weldon, who happens ...

A naked man plunges to his death in a fruit stand. However, investigation determines he wasn't forced out the window. He had actually been poisoned a few hours earlier. H ...

When Castle and Beckett wake up in bed, handcuffed together, in a locked room with no memory of how they got there, they must piece together the mystery of where they are ...

Shortly after killing a kindergarten teacher about to marry, a sniper kills a lawyer on a Manhattan street, without an apparent link. Esposito's sharp-shooter training pr ...

Atlantic City (New Jersey) hotel-casino co-owner Sam Seigel's corpse is found in an abandoned New York warehouse. Captain Victoria Gates keeps Becket in the office to tes ...

Accompanying Martha to the bank, where she pigheadedly refuses his financial help, Castle's speculations over the phone with Becket that surgical mask-equipped customers ...

National TV ghost-buster Jack Sinclair is killed on camera while investigating the famous New York McClellan house, site of 8 previous 'suspicious' murders. His cameraman ...

Museum director Hayes is murdered at a special exhibition from which the diamonds-covered, $50,000,000 show-stopper 'Fist of capitalism' is missing. Suspects include the ...

Student Jane Herzfeld was fatally shot with the Glock service pistol stolen from Detective Ryan by serial killer 3XK. Her ex-boyfriend, Finn McQueen, has an alibi. Phone ...

Gunshots, a fleeing van and a massive blood pool all point to murder, but when Castle and Beckett arrive at the crime scene, they discover that it lacks something - the v ...

Sex offender ex-con Tyler Faris is found in an alley, cut in half by a sword. Faris' victim claims that a man in a superhero uniform saved her. Even Castle doesn't recogn ...

Castle is grieved when Becket, once regaining health, tells him to leave her time without calling for months. Yet when she returns to work after therapy, Ryan and Esposit ...

Cop killer Hal Lockwood, whom Beckett visited unsuccessfully in jail for months hoping for a lead in her mother Johanna's closed murder case, is released by a faked order ...

At New York luxury hotel tycoon Victor Baron's famous national beauty pageant, Illinois contestant Amber Middleberry was strangled and hoisted up on scene. Amateur Castle ...

Mike Royce, Becket's former police mentor, who lost his bounty-hunter license when she arrested him, is murdered while visiting New York, possibly by a fellow passenger f ...

College swimming team champion Zack Lindsey, self-made on a partial scholarship, is murdered during a nightly training session and dumped in the pool. Beckett and Castle ...

Castle knows of four pizzerias named Nick, with various combinations of the predicates terrific and/or authentic. But their owners, bitter rivals, continually sabotage ea ...

Juror #7 Joe McUsic, who runs a halfway house, drops dead of cyanide-poisoning during Otis Williams's high-profile trial for the murder of heiress Lyla Addison. Juror #4 ...

Martha's connections in soap operas prove dangerous as well as practical and sexy when the chief script writer on Temptation Lane, which once made Martha's career, is axe ...

Castle's clever idea help him and Beckett find the dirty bomb but they get locked in a refrigeration container. Luckily, Ryan and Esposito ignore orders and find them bef ...

Recent US citizen Amir Alhabi, an immigrant from Syria, is found dead in a building next to where his stripped cab is found. He and his cousin Jamal were the owners of th ...

Damian Westlake, Castle's boarding school protector and mentor, who helped him aspire to writing, is the obvious suspect when his rich wife is killed in their house. Cast ...

Lottery-multimillionaire Jay Hixton is shot in the heart at home around midnight. He was apparently forced to open his safe. It contained a gun even butler Reginald Easle ...