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When a dying man stumbles into a church before dying and hands a priest a baby, Castle and Beckett end up as unlikely nannies during their investigation into the man's death on Castle.
Castle and Beckett suspect a killer may be targeting members of the 12th precinct when a murder victim bears a shocking resemblance to Dr. Lanie Parish on the latest Castle.
On Castle, the detectives lives are on the line when a murder victim turns out to be a relationship therapist to powerful clients who are willing to kill to keep their secrets.
On Castle, Alexis asks her Rick for help when her Innocence Review case involves a man on death row. With only 72 hours to go, can father and daughter work together to prove his innocence...or is he truly guilty?
When a young woman is put into a ritualistic pose after being brutally murder, Castle thinks the symbols find in her apartment are part of a Da Vinci Code type conspiracy. Alexis and Pi move into their own place on Castle.
A murder suspect claims he's traveled back in time to save humanity. Kate, Rick and the team must determine if he's delusional killer, or telling the truth on Castle.
On Castle, a woman accused of murder takes hostages and insists she'll only speak with one person. Rick Castle.
The murder of a former teen star from a '90s high school sitcom takes a strange turn when Beckett and McCord arrive at the 12th to take over the case and find a new detective at Beckett's desk on Castle.
With Castle's life on the line and a stolen toxin threatening thousands of people, Beckett and McCord scramble to stop a terrorist attack and save Rick's life on Castle.
Will she or won't she? We learn Kate's response to Rick's major question on the Castle Season 6 premiere.