Genre: Crime Drama, Comedy
Summary: Bored with his success, celebrated mystery novelist Rick Castle teams with NYPD Detective Kate Beckett to solve the case of a copycat killer who re-creates murder scenes from Rick's novels. While solving the case, the two realize that their unorthodox partnership has its benefits and decide to continue working together. Combining his writer's intuition with her creative detective work, they investigate strange homicides in New York, all the while building a strong, if complicated, relationship with each other.
|Episode Online Video|
S04, E14 (First Aired:
Castle and Beckett must investigate a mysterious case from 1947 in order to solve the present-day murder of a treasure hunter.
S04, E17 (First Aired:
When two women are found dead dressed as fairytale characters, Castle and Beckett must race to find the killer before he strikes again.
S04, E18 (First Aired:
The investigation into the death of a contestant on a popular dance competition show leads Castle and Beckett to a shocking secret that may have led to her death.
S04, E19 (First Aired:
When a bomb kills five people at a protest rally, Beckett and Castle try to solve the case by reconstructing the 47 seconds prior to the explosion.
S04, E20 (First Aired:
An attractive detective from Scotland Yard (Brett Tucker) teams up with Castle and Beckett to investigate the murder of his friend's daughter; Lanie tries to talk Beckett into making a move on Castle.
S04, E21 (First Aired:
Castle takes on Detective Ethan Slaughter (Adam Baldwin) as his partner when tension between himself and Beckett rises, and he sees a new side to police work that puts him in danger.
Castle thinks the Antichrist may be involved in the death of an axe-wielding, psychiatric inmate who drops dead in the P.I. office.
S04, E22 (First Aired:
When a dead man is found with human bite marks on his body, a witness claims the deceased was attacked by a zombie.
S04, E23 (First Aired:
Castle tries to protect Beckett as she pursues the man who shot her; the 12th precinct is forever changed as feelings and secrets are revealed.
S05, E01 (First Aired:
Castle and Beckett set aside questions about their relationship in order to take on the forces responsible for the murder of Beckett's mother.
S05, E02 (First Aired:
On Beckett's first day back from suspension, she and Castle investigate a weathercaster's death, and try to hide their relationship from their co-workers.
S05, E03 (First Aired:
When a woman is murdered, Castle and Beckett think a repossessed storage unit may have a connection to her death.
S05, E04 (First Aired:
Castle's plans with Beckett are disrupted when a dying man stumbles into his backyard and collapses in his pool.
S05, E05 (First Aired:
The investigation into a ritualistic murder turns up evidence linking Castle to the crime, leading Beckett to wonder how well she really knows him.
S05, E06 (First Aired:
As Beckett and Castle investigate a murder at a sci-fi convention, they encounter avid fans in costume, egotistical celebrities and a lot of drama.
S05, E07 (First Aired:
A documentary crew follows Castle, Beckett and the team as they investigate the murder of a rock band's lead guitarist.
S05, E08 (First Aired:
While retrieving a murder witness, Castle and Beckett are ambushed, forcing them to take the witness on the run.
S05, E09 (First Aired:
Castle and Beckett investigate when a bearded man named Kriss Kringle falls from the sky in Central Park; Beckett and Castle work on a Christmas list together.
S05, E10 (First Aired:
Several angry ex-husbands come under suspicion when a divorce attorney who only represented women is murdered; when Alexis gets sick, Castle's ex-wife moves into the loft to take care of her.
S05, E11 (First Aired:
Castle and Beckett are thrust into New York's raucous music industry as they investigate the murder of an up-and-coming DJ; Esposito takes a troubled teen under his wing.
Castle and Beckett have their lead and are ready to face LokSat, but an unexpected twist puts everything in danger.
S05, E12 (First Aired:
When the founder of an adult video franchise is murdered, Beckett and Castle are faced with a lengthy list of suspects; Castle is upset when Alexis starts a revealing video blog.
S05, E13 (First Aired:
Castle and Beckett discover evidence that links a young woman's murder to Sen. William H. Bracken (Jack Coleman) -- the man responsible for the murder of Beckett's mother; Beckett faces complications as she tries to finally bring Bracken to justice.
S05, E14 (First Aired:
The young rising star of ``The Wives of Wall Street'' is murdered; Castle tries to give Beckett a Valentine's Day gift, but his plans go awry.
S05, E15 (First Aired:
A murder investigation reveals a plot to kidnap a wealthy businessman's daughter; FBI Agent Harris (Dylan Walsh) helps Castle and Beckett investigate.
S05, E16 (First Aired:
After the FBI fails to get Alexis back, Castle takes matters into his own hands; Castle learns that his daughter's kidnapping may be a part of a larger and more sinister agenda.
S05, E17 (First Aired:
Castle and Beckett tackle one of their creepiest cases yet when a woman appears to have been scared to death by a ``haunted'' DVD; Castle fears for his life after he accidentally watches the video.
S05, E18 (First Aired:
When a body is discovered in an industrial cake mixer, the murder is traced to an Irish gang and a bar owner named Siobhan O'Doul (Cara Buono); Detective Ryan reveals a history with Siobhan from his time working under cover in narcotics.
S05, E19 (First Aired:
While stuck at home with a broken leg, Castle believes he witnesses a murder in the apartment across the street.
S05, E20 (First Aired:
Beckett and Castle discover giant footprints at the site of a vicious murder, leading the team to wonder if Bigfoot is the killer.
S05, E21 (First Aired:
When Beckett is tasked with protecting a charming billionaire whose life is in danger, she reflects on her relationship with Castle; consumed with jealousy, Castle tries to solve the case as quickly as possible.
S05, E22 (First Aired:
When Beckett steps on a pressure-sensitive bomb, the team searches for a way to save her while Castle distracts her by talking about their relationship.