Castle and Beckett will cross paths with the former Yankees skipper, Joe Torre while investigating the murder of a baseball star found dead after a trip to Cuba. Meanwhile, Alexis has a genealogy project that makes Castle consider the identity of his unknown father.

Castle and Beckett investigate the murder of a dead man found in a family’s house that just returned from vacations. Meanwhile, Castle is elected as one of New York’s 10 most eligible bachelors.

Castle and Beckett investigate the death of an Irish mobster, but while on the case they uncover what may be an international drug smuggling operation, as well as the killer may be involved in the murder of Beckett’s mother.

Castle and Beckett are called to a wedding to investigate the murder of a bridesmaid. Castle realizes that the wedding is from a former girlfriend Kyra. Everyone’s feelings are compromised, since Kyra has doubts about who she is marrying, Castle’s feelings may not be as objective in the case and Beckett picks up the connection [...]

Castle and Beckett investigate an art dealer that is shot in his gallery, but the bullet is inexplicably missing from the crime scene. To add to that, the only witness suffers from amnesia.

Castle and Beckett investigate the murder of a man stuffed down a garbage shoot. Things get complicated when both his wife and fiance come in to identify the body.

Castle and Beckett investigate the murder of an Assistant District Attorney. Meanwhile, Alexis confides a secret to Beckett instead of her father.

After a bike messenger, carrying a package with content that is able to free a wrongly convicted man from pison, is brutally murdered, Castle and Beckett need to investigate the case. But they are surprised to find out that the tragic death is linked to another murder case previously investigated by Captain Montgomery. Now, in [...]

An up-and-coming rock star’s body is found in a scene that appears staged from her recent music video.

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 through his heart. Their investigation takes them deep into the heart of New York’s underground vampire fetish community, where they learn that the motive for the [...]

Castle has a new book agent, Paula Haas, but she talks with him when he has gotten an opportunity that may change his career. The downside is that taking the opportunity would mean the end of his relationship with Beckett. Meanwhile, an unidentified woman is found dead in a manhole.

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 halls of the CIA. But Castle’s delight at the case’s many twists and turns soon turns to frustration as he realizes that their elusive killer might just [...]

It’s fashion week and Castle and Beckett get to see what happens in the background as they investigate the murder of a model.

Castle and Beckett compete against Ryan and Esposito to see who can solve their murder case first. A few twists make the two teams work together to figure things out.

Castle has a lot going on. He’s trying to finish his new novel Heat Wave and trying to figure out how to fix things with Beckett. They find themselves working together to solve the murder of a man found tangled in tree limbs.

Castle and Beckett investigate the murder of a missing plastic surgeon who is found dead in the front seat of his car after a week of being parked curbside. As they delve into the twisted world of surgery obsessed patients and secret operations, Castle experiences a fatherly rite of passage as Alexis attends her first [...]

Castle contends with Beckett’s ex-boyfriend, a handsome FBI agent investigating the disappearance of a little girl.

Castle and Beckett investigate the murder of a woman found drowned in a bathtub of motor oil at a transient hotel. After uncovering the woman’s dark past, they must seek help from crime journalist who just may know more about the woman than he leds on.
Meanwhile, Beckett puts her poker face to the test as [...]

Beckett and Castle investigate numerous cases involving murders and home invasion jewel heists.

Castle and Beckett look into the Vudon religion when an immigrant is found tortured in a ritualistic killing. Meanwhile on the homefront Castle must deal with the possible homecoming of Alexis’ mother, his first wife.