Derek Webster (“Desperate Housewives,” “Damages”) guest stars as Mayor Robert Weldon, Castle’s longtime friend and the Mayor of New York City. It was Mayor Weldon’s political clout that allowed Castle to partner up with Beckett. But now, when a woman is found dead in a car that traces back to the Mayor’s motor pool, that partnership comes under fire as the scandal surrounding the investigation threatens to bring down Weldon’s administration
Castle & Beckett work a murder case around the theft of a valuable sculpture. Kristin Lehman ("The Killing") guest stars as Serena Kaye, a smart, sexy insurance investigator, who joins Castle & Beckett in the investigation, but she also has her eyes set on Castle, all the while hiding a very important secret from the team. Jessica Tuck ("True Blood") also guest stars as Joy McHugh, a wealthy museum benefactor who becomes a suspect in the murder investigation.
Deadline.com is reporting that production on the sixth season of CASTLE shut down do on Friday after actor Nathan Fillion failed to show up for work.
With time running out, Castle and Beckett must put aside their differences with Agent Fallon (guest star Adrian Pasdar) to avert a city-wide catastrophe.
“Meme is Murder” is a cautionary tale on cyberbullying to sharing too much information online. The social message with this episode is loud and clear: be careful of what you share online and once it’s out on the world wide web, it’s there to stay—forever.
Alexis enlists Castle's help on an Innocence Review case to prove that a death row inmate, Frank Henson (guest star James Carpinello, "The Good Wife"), was wrongly convicted.
In "Under Fire" Castle and Beckett discover that the victim of a building fire was actually shot to death, they get on the trail of a serial arsonist turned murderer.
Castle and Beckett investigate the murder of a cruise ship entertainer, only to find themselves trapped at sea with the killer.
A guilt-ridden woman confesses to a murder, but contradictory evidence and a second confession complicate the case.
A call from a mysterious stranger ignites an explosive chain of events; the story is first told from Castle's perspective as he searches for Beckett.