Insurance agent John Allen was strangled and thrown off a roof into a tree. On the way to the morgue, masked men intercept the ambulance and hold Castle and Lanie at gun- ...

With the moon full, couples therapist, Ashley Cosway, is her husband, shot and words written on her face. When Castle, Beckett, Ryan and Esposito arrive and start to inve ...

During fashion week, a couple playfully stripping in a public fountain finds the beaten-up corpse there of designer Teddy Farrow's rising model Jenna McBoyd, fatally stab ...

When an Arctic explorer is killed during a polar expedition, the mysterious circumstances of his death take Castle and Beckett from the penthouses of Park Avenue to the h ...

Illegal Czech immigrant Eliska Sokel's corpse is found hidden in a sewer, two days after her death. Her also-illegal ex, Teodor Hajek, explains she left him after their s ...

As Halloween approaches, Castle and Beckett are called to a graveyard where the body of a young man sporting vampire fangs has been discovered with a wooden stake driven ...

Haley Blue, the singer in Alexis' favorite band, The Blue Pills, is found in an alley with a broken neck, staged as in one of her music videos. Stalking fan Franco Marque ...

Bike messenger Caleb Shimansky is killed by a masked man in a stolen black sedan. Caleb carried only one package, for Sally Niedermeyer, whose name the courier firm had w ...

Highly respected A.D.A. Jack Buckley, a tough crime-fighter, was murdered. His ex-brother-in-law Paul Cho, a businessman who likes call girls, was blackmailed by Danton t ...

Sam Parker's corpse is found in a garbage chute. However, he's identified not only by his wife, Helen, but by a fiancée, who only knew him as 'bachelor' Jake Holland. Al ...

When an art dealer is gunned down in his gallery, Castle and Beckett discover that a bullet is inexplicably missing from the crime scene. The mystery is deepened by an am ...

When Castle and Beckett are called to a wedding to investigate the death of a bridesmaid, Castle is stunned to discover that the soon-to-be bride is his old flame, Kyra, ...

While investigating the death of an Irish mobster, Beckett and Castle uncover a local turf war that may be connected to both a late-night infomercial guru and an internat ...

Mysteries abound when a family returns from vacation to discover a dead man in their daughter's bed. Thinking they're investigating the murder of a squatter, Castle and B ...

Retired baseball star Cano Vega is murdered on a Spanish Harlem community baseball field he sponsored, with his skull smashed with a bat. He had borrowed $200,000 from a ...

When a half-naked woman is found covered in caramel sauce and hanging by bondage cuffs in a public park, Castle and Beckett's investigation takes them into New York's und ...

Only Becket, on whom the lead character was based, pretends not to be excited when one of Castle's books is chosen for a Hollywood movie. An anonymous, amused 'fan' calls ...

Castle worked out that Ben Conrad was a scape-goat, shot by the real serial killer. He was too late to prevent Becket's place being bombed, but she survived, having being ...

The investigation into the shocking death of a museum curator, crushed by a falling gargoyle, takes a bizarre turn when Castle and Beckett learn that he isn't the first m ...

When Castle appeared on his show, comedian and TV star, Bobby Mann asks Castle for help, claiming to fear for his life. A few hours later, he dies from cardiac arrest. Ca ...

Ex-con and break-in expert Paul Finch is found in his car electrocuted-tortured. His widow believes he took on a last job after years in the clear; probably the recent Ma ...

A high profile chef is found frozen to death in the kitchen of a hot New York restaurant. Complications ensue when Castle and the restaurant owner, an old high school gir ...

A robbery-homicide prompts Beckett to invite Demming to assist on a case, giving Castle a ringside seat to their budding romance. When it becomes clear that the two men h ...

Nothing is as it seems when Castle and Beckett investigate what appears to be the assassination of an intelligence operative. Meanwhile, Beckett's romance with Demming th ...