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, “the one that got away” (guest starring Alyssa Milano). Complications ensue as Kyra, caught off-guard by Castle’s reappearance in her life, wonders if she’s marrying [...]

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 [...]

The murder of an Assistant District Attorney thrusts Castle and Beckett into the world of ex-cons and escorts. But when Castle’s desire to help a vulnerable call girl endangers the case, Beckett is forced to decide between honoring promises and putting a killer behind bars. Matters are complicated even further when Castle’s daughter shares a [...]

A man’s body is discovered in an apartment building’s garbage chute, and two women surface to identify the deceased – his wife and his fiancée. Castle and Beckett’s investigation uncovers the man’s complex double life. DB Woodside guest stars

The team is called into action when an art dealer is gunned down at his gallery and one of the bullets goes missing. Ryan takes on the cause of a man with amnesia who may be connected to the case. Things become complicated when it appears the victim is involved, along with an Arabian diplomat, [...]

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 [...]

When a two-year-old girl is discovered missing from her home, Beckett is called in to assist with the investigation only to discover that the FBI agent in charge is, in fact, her ex-boyfriend. The two of them try to put aside their unresolved feelings as they race to find the girl, but when Castle inserts [...]

eckett and Castle investigate the murder of a woman found drowned in a bathtub of motor oil at a transient hotel. But when they uncover a dark secret about the woman’s past, they must unravel a 20-year-old mystery with the help of a true crime journalist who may have been stalking the victim. Meanwhile, Beckett [...]

When a string of high-end home invasions end in murder, Castle and Beckett must determine who is orchestrating these violent robberies before they strike again. But to catch this deadly thief, Beckett must go way out of her comfort zone to enter Castle’s glamorous, paparazzi filled world as his date to a charity ball. Meanwhile, [...]

When an immigrant is found tortured and murdered in a ritualistic killing, Beckett navigates the uncharted territory of the mysterious Vodun religion with Castle along for the ride. Having researched similar deaths for one of his books, Castle’s knowledge and sources prove valuable, but only their apt teamwork can unravel the murderer’s motives. Meanwhile, Castle [...]