While the team investigates the murder of a toy company CEO, Castle uncovers a lead to his mysterious disappearance, launching him into a dangerous investigation of his own.
A guilt-ridden woman confesses to a murder, but contradictory evidence and a second confession complicate the case.
Castle returns to the City of Angels in search of answers about his missing time. But things take a deadly turn when he's recruited by the legendary Greatest Detective Society to help solve a murder.
"Need to Know" - Castle and the boys investigate the murder of former child star Charlie Reynolds. But the case takes a turn for the strange when Agents Beckett and McCord arrive from Washington to take over the investigation.
In "A Murder is Forever,"When a famed relationship therapist is murdered, it appears that her access to the secrets of her elite and powerful clients led to her death.
A bleeding man stumbles into a church, but just before dying, he hands a mysterious bundle to the priest.
In the May 2 installment of ABC's Castle, the 12th investigates the murder of a movie actor who tries his hand at performing on the stage. Jewel Staite from Firefly plays the play's director.
Entertainment Weekly posted two exclusive photos for the April 21 episode of Castle, "That '70s Show."
When a web celebrity is murdered, Castle and Beckett explore the flashy world of internet fame. But when the killer posts pictures from the crime scene on a photo-sharing site, they realize they are up against a social media sociopath who may strike again.
When Castle and Beckett learn that a murder victim may have been poisoned at an Old West-style resort, they visit the resort posing as newlyweds to uncover the truth.