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|
S03, E14 (First Aired:
The murder of a lottery winner leaves Castle and Beckett with a wealth of suspects; Martha must decide what to do with her inheritance.
S03, E16 (First Aired:
While investigating an apparent robbery/homicide, Beckett and Castle discover the victim was involved in a mysterious conspiracy; as the stakes rise, a federal agent (Adrian Pasdar) takes over the case.
S03, E17 (First Aired:
Castle and Beckett must set aside their differences with Agent Fallon (Adrian Pasdar) while trying to prevent a city-wide catastrophe.
S01, E10 (First Aired:
Castle and Beckett investigate when a plastic surgeon is brutally murdered; Alexis goes to her first prom; Castle uncovers surprising information when he looks into Beckett's past.
S03, E18 (First Aired:
When the head writer on a popular soap opera is killed with a fire axe, Castle is able to use his skills as an author to make a discovery about the killer.
S03, E19 (First Aired:
A juror suddenly dies during a high-profile trial involving a murdered socialite.
S03, E20 (First Aired:
When a reporter is found dead inside a pizza oven, Castle and Beckett try to determine why he was murdered.
S03, E21 (First Aired:
Castle and Beckett investigate the death of a champion swimmer; authors Michael Connelly and Dennis Lehane give Castle advice.
S03, E22 (First Aired:
Against orders, Beckett travels to Los Angeles while investigating her ex-partner's murder; Castle questions Beckett's motives.
S03, E23 (First Aired:
After a contestant in a beauty pageant is found strangled, many suspects turn up, including jealous fellow contestants, the pageant's sponsor (Michael McKean), and the show's host (Sasha Roiz).
S03, E24 (First Aired:
A professional hit man (Max Martini) with information about the murder of Beckett's mother escapes during a court hearing; Castle and the team uncover a deep conspiracy.
S04, E01 (First Aired:
Detective Beckett struggles to survive; Castle tries to identify the shooter; Ryan and Esposito try to adjust to the new captain.
S04, E02 (First Aired:
Castle and Beckett suspect a costume-clad vigilante is responsible for the mysterious murder of an ex-con.
S04, E03 (First Aired:
Castle and Beckett investigate a crime scene that involves a large pool of blood but no victim; Alexis receives news about Stanford.
S04, E04 (First Aired:
When a young woman is shot to death, Beckett and Castle learn the gun used was the one a serial killer stole from Detective Ryan.
S04, E05 (First Aired:
A sexy insurance investigator (Kristin Lehman) with a secret helps Castle and Beckett when a valuable sculpture is stolen and someone is murdered; a rich museum benefactor (Jessica Tuck) garners suspicion.
S04, E06 (First Aired:
Castle and Beckett investigate the murder of a ghost hunter who was looking into a haunting at a New York mansion.
S04, E07 (First Aired:
Martha and Castle are held hostage by bank robbers dressed in hospital scrubs; Beckett's rescue efforts are hindered by a strict hostage negotiator (Dean Norris).
S04, E08 (First Aired:
When a casino owner is murdered at an abandoned warehouse, suspects emerge in New York and Atlantic City; during the investigation, Castle throws an impromptu bachelor party for Ryan.
S04, E09 (First Aired:
The team searches for a sniper who is terrorizing New York; Beckett tries to hide her worsening condition from Castle and the detectives.
S04, E10 (First Aired:
Beckett and Castle wake up handcuffed together in bed in a locked room with no memory of how they got there.
S04, E11 (First Aired:
When Castle and Beckett investigate the death of a ladies' man, a twist in the case may disrupt Ryan's wedding.
S04, E12 (First Aired:
When a woman is found dead in her car, the investigation leads to New York Mayor Robert Weldon (Derek Webster), one of Castle's longtime friends.
S04, E13 (First Aired:
The investigation into the death of a famous dog trainer leads to a reality-TV star.
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.