In the sixth-season finale, Castle and Beckett prepare for their wedding. However, an unwelcome surprise may ruin things, so they embark on a zany adventure, encountering masked men and mad bikers along the way.moreless
Beckett conducts a covert investigation related to her mother's murder but things go terribly wrong when the subject under surveillance is killed. Castle and Beckett become the object of a manhunt when evidence connects Beckett to the victim.moreless
Castle and Beckett delve in the world of extreme sports after a professional skateboarder is gunned down.
The body of a missing New York mobster who disappeared in the seventies is found at a construction site, but the only witness thinks it's still the 1970's. Castle and Beckett must play along with his delusion to find out what he knows.moreless
Investigating the death of a Wall Street trader leads Castle and Beckett to discover that the victim was an undercover informant for the U.S. Attorney’s office. To make matters worse, the U.S. attorney involved is Captain Gates' estranged sister.moreless
After a Japanese ballet dancer is inexplicably murdered, Castle and Beckett find that her secret life provides evidence of a ninja assassin, and now that ninja is after them.
When Beckett helps out on an undercover Narcotics investigation, the mission turns deadly. To survive, Beckett is forced to use her wits with some of New York's dangerous underworld and a powerful enemy from her past.moreless
Castle and Beckett seemingly have an open and shut murder case when a woman confesses to having murdered a struggling actor. But when they determine the woman couldn't have done it, another comes forward to confess just as convinced they did the murder. The team realizes that multiple confessions by strangers have made this a mysterious case indeed.moreless
Castle and Beckett investigate the murder of a rising pop diva. As they look into her out-of-control partying lifestyle, a shocking eye-opener endangers their investigation.
The murder investigation of a video store clerk, who's also a high level hacker, leads Beckett and Castle straight to the mysterious Jackson Hunt.
Beckett and Castle are tasked with solving the murder of man who handed a baby over to a priest just before he died. While playing nanny to the lost child, they must figure out who killed the man, how did he come to have the baby, who isn't related to him, and where are the rightful parents.moreless
Castle and Beckett's murder investigation involves a female victim who looks just like Lanie. As they dig deeper, they become aware that the killer may be after the detectives of the 12th Precinct.moreless
Castle and Beckett work the murder case of a famed relationship therapist. While it first appears that client secrets may have been the motivating factor, a rare valuable object discovered in the victim's possession makes the case much more complicated.moreless
Castle and Beckett help Alexis with an Innocence Review case. With only 72 hours until his execution, their goal is to prove that the death row inmate was wrongly convicted. But, some of what they uncover may only strengthen the case against him.moreless
Castle's convinced a "Da Vinci Code" type conspiracy is at play when strange symbols and a mysterious monk are involved in the bizarre murder of a young woman. Elsewhere, Alexis and Pi move in together.moreless
Castle and Beckett must sort out the truth when investigating a murder suspect who claims he's from the future.
When a murder suspect takes hostages, she'll only deal with Richard Castle.
Beckett's still in D.C., so Castle is at the precinct helping Esposito and Ryan investigate the murder of a former child star. But before much can be done, and without explanation, Beckett and McCord show up and take over the case. A new detective has been assigned to the 12th, NYPD Detective Frank "Sully" Sullivan.moreless
Beckett continues her quest to find the stolen toxin as Castle is left with less than a day to live after his exposure.
Beckett must decide whether to take the high profile job in DC and what to say to Castle about his marriage proposal. Both must deal with the consequences of their decisions when they are plunged into a high-stakes investigation. Federal investigator Rachel McCord plays a central role in how Beckett decides what to do about her future.moreless
Karen has it out with Elizabeth Grey and April makes a decision about the men in her life. Meanwhile, when Savi decides to celebrate her birthday by driving to Palm Springs.
Karen's case comes to a shocking conclusion, and Lucy goes missing. Meanwhile, Joss attempts to salvage her relationship with Alex and Savi grows closer to Dom.
While Harry discovers out his paternity test results, Karen begins her deposition into her Thomas Grey's death. Also, Richard and April have a date to keep.
Joss attempts to help Olivier impress new clients and April tells Richard how frustrated she was when Paul appeared at Lucy's school. Meanwhile, Savi finally faces up to reality, her and Harry are probably over.moreless
April wonders whether it's time for her daughter to know about Richard and Janet brings big news with her on her visit. Meanwhile, Karen considers the possibility that Elizabeth killed Tom.
April struggles to come to terms with the fact that her husband is alive and Savannah decides that no matter who the identity of her baby's father, she will fight to save her marriage. Meanwhile, Joss tries to redefine her and Alex's relationship and Sam's gets a new therapist.moreless
Joss is upset with Savi for not confiding in her about the pregnancy, so she moves in with April, who is working on progressing her own relationship. Meanwhile, Detective Newsome meets with Karen and Dominic and Harry have a falling out.moreless