While investigating a murder in the premises of a 1940s nightclub, Castle finds a gumshoe's diary which reads like a Raymond Chandler story. (S4 Ep14)[S]
Castle and Beckett race against time to find a CIA traitor and prevent an assassination that could ruin the US economy and trigger another world war. (S4 Ep16)
Castle decides to shadow another detective - a boorish maverick from the city's gang unit whose last three partners were killed in the line of duty. (S4 Ep21)
Castle and Beckett investigate New York's zombie subculture after a Wall Street trader is found dead with human bite marks all over his body. (S4 Ep22)
When a lead in a murder investigation prompts Beckett to reopen her enquiry into her mother's death, Castle reveals all in a bid to stop her. (S4 Ep23)
Drama series about a bestselling crime novelist who shadows an NYPD homicide detective. Castle and Beckett re-evaluate their relationship after spending the night together. (S5 Ep1)[S]
When a woman is found murdered in her car, Beckett and her team's investigation leads them directly to the Mayor, Robert Weldon, who happens to be a friend of Castle's. (S4 Ep12)[S]
Castle and Esposito throw an impromptu stag party for Ryan when they are sent to Atlantic City to investigate the murder of a casino owner. (S4 Ep8)[S]
American mystery drama. Beckett has been shot and fights for her life in hospital while Castle tries to track down the hit man responsible. (S4 Ep1)[S]
Quirky US crime drama series about a bestselling author. Castle investigates when a juror on the murder trial of a famous socialite dies in the courtroom itself. (S3 Ep19)[S]
Quirky US crime drama series. Castle must use his literary skills when he investigates the death of the writer of a long-running soap opera. (S3 Ep18)[S]
When a woman is killed by a nail gun, Castle cannot agree with Beckett that his old mentor from boarding school has just murdered his wife. (S3 Ep15)[S]
Crime drama series. When Castle's novel Heat Wave is turned into a film, the lead actress researches her part by shadowing him on a murder case. (S3 Ep11)[S]
Quirky US crime drama series. When a corpse is found floating in the East River it leads to the revelation of a secret dating back to prohibition times. (S3 Ep10)[S]
...Murderous Kind. Quirky US crime drama series about a bestselling author who teams up with a detective. Was an astrophysicist the victim of alien abduction? (S3 Ep9)[S]
Quirky US mystery series about a crime writer turned sleuth. Probing the death of a male stripper, Castle's suspects include some struggling actors. (S3 Ep7)[S]
Castle and Beckett investigate the murder of a woman and begin to suspect that the notorious serial killer known as 3XK has returned to New York. (S3 Ep6)[S]
US mystery series about a crime writer who turns sleuth. Castle and Beckett probe the death of a famous psychic who seems to have predicted her own murder. (S3 Ep2)[S]
US mystery series about a top crime writer who turns sleuth. Castle must prove his innocence when police find him standing over a dead woman, holding a gun. (S3 Ep1)[S]
Castle and Beckett investigate what appears to be the assassination of an intelligence operative. Meanwhile, Beckett's romance with Demming threatens her relationship with Castle. (S2 Ep24/24)[S]
Castle and Beckett investigate when a contestant in a cookery-based reality show is killed, and find one of Beckett's old schoolmates is involved. (S2 Ep22/24)[S]
Investigating the murder of a thief, Castle and Beckett are surprised to learn that Esposito has a personal connection to the suspected killer. (S2 Ep21/24)[S]
The day after Castle appears on a talk show to promote his book, the host is found dead of natural causes. Castle tries to convince Beckett to investigate the case as a murder. (S2 Ep20/24)[S]
When a museum curator's death - crushed by a falling gargoyle - is linked to the tomb of a Mayan king, Castle worries that he could be the next victim of an ancient curse. (S2 Ep19/24)[S]
When a fan-favourite former major league baseball player is found dead after a trip to Cuba, the investigation leads Beckett and Castle to look into the Cuban community. (S2 Ep15/24)[S]
A serial squatter upsets a gang of theives with a sophisticated plan to pull off a heist that leaves two of the gang dead and a third at large. (S2 Ep14/24)[S]