A Murder Is Forever

As Castle and Beckett investigate the homicide of a popular relationship therapist, their theory for the motive for her murder shifts: The killer may not have sought her high-profile client list, but instead wanted a rare, pricey object she possessed

Disciple

Castle and Beckett investigate a homicide in which the victim strongly resembles Lanie, and soon the team believe that members of the 12th Precinct are the killer's next targets

The Good, the Bad & the Baby

Castle and Beckett look after a baby boy given to a priest by a dying man who stumbled into a church. Their investigation reveals that the infant was not related to the murdered man, and finding the baby's parents proves difficult

Under Fire

A body is found in a building fire, but the cause of death turns out to be a gunshot wound, so Castle and Beckett search for a serial arsonist who's also an armed killer. Meanwhile, Ryan's wife prepares to deliver their baby

Deep Cover

The murder of a young video store clerk takes a strange turn when the team discovers his past history as a high-level hacker. But it's nothing compared to the shock Castle receives when their investigation leads them straight to his father

Limelight

A rising pop star's body is discovered in an alley, which leads Castle and Beckett to investigate the singer's wild lifestyle. However, they're not prepared for the alarming revelation that surfaces

Dressed to Kill

When the assistant to Modern Fashion Magazine's dictatorial editor Matilda King is found murdered, Castle and Beckett are thrust into the glitzy, ruthless world of high fashion in their search for the killer

Smells Like Teen Spirit

The murder of a high school mean girl draws Castle back to one of his many alma maters, where he is giddy to learn that the evidence points to a surprising perpetrator - a teenage telekinetic, throwing he and Beckett into a real-life 'Carrie

Castle

Plot

Seasons and episodes