Castle goes on the search for the murderer when a bomber is killed.
Castle and Beckett investigate the murder of a plastic surgeon. Meanwhile, Alexis has her first prom and Castle snoops around Beckett’s past and it’s up for a surprise.
Castle goes on the search for the murderer when a bomber is killed.
Castle delves into the search for the murderer of a long-underground radical bomber.
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.
Castle and Beckett investigate the murder of a women found frozen and tangled in steel bars at a construction site. The case leads them to looking into an old case and also has Beckett thinking about some memories from her past.
The investigation behind a body found wrapped in a rug on the sidewalk leads Castle and Beckett deep inside the world of New York City politics. The partners discover a world of expensive escorts, arrogant tycoons, corrupt investigators, and the effects of betrayal.
The son of a once wealthy family is found dead in Central Park. As Castle and Beckett are working on the investigation his friends are trying to stop them. Castle isn’t sure he can trust Martha to be left alone while he chaperones Alexis’ class on a field trip to Washington DC.
Castle and Beckett work together to solve the murder of a nanny found dead spinning in the dryer of an upscale New York apartment building’s laundry room.
Richard Castle is called in to help police after two murders look very similar to murders from his books.
Summary: Locke tasks Sawyer with a mission, and Kate talks to Locke while holding a fake, plastic gun while Sayid is watching them.
Summary: Members of the sales staff let Sabre’s new Sales Is King policy go to their heads.
Summary: A high school senior repeatedly hallucinates after blacking out during a class trip; Wilson tries to furnish his condo.
Summary: The team reopens the case of a dock worker, who moonlighted as a professional wrestler, who was shot dead in 1986; Valens secretly looks into a lead on the man who mugged and raped his mother.
Summary: Casey carries out a side mission for his old commanding officer James Keller that leads to him committing treason. When Chuck learns the dark truth about Col. Keller, he and Sarah set out to break Casey out of jail and clear his name. Meanwhile, Awesome’s plan to keep Ellie out of danger gets more difficult when she gets her dream fellowship.
Summary: Kitty’s popularity surge creates havoc for her family; Luc faces the possibility of deportation; Nora reaches out to Tommy for help.
Summary: Naomi goes on her first hike with Ivy and Liam; Annie gives Jasper an ultimatum; Gia and Adrianna’s friendship grows.
Summary: Liz keeps running into Wesley (Michael Sheen), causing her to question their decision; Jack tries to secure his position in the new company.
Summary: While Jack and Cole team up in the field to shield New York from the calamitous threat, a hostage situation has CTU completely stressed out. Meanwhile, unrelenting parole officer Prady presses on in his investigation, and unexpected developments send the Hassan family into a major tailspin.
Summary: Rufus and Lily grow suspect of Jenny’s relationship with Damien. Chuck learns more about the woman who may or may not be his mother. Dan and Vanessa struggle through the awkwardness of dating other people.