Get a Clue: Castle and Beckett investigate the ritualistic murder of a woman reminiscent of 'The Da Vinci Code'. Meanwhile, Castle struggles to accept Alexis's decision to move in with Pi. (S6 Ep6)
Like Father, Like Daughter: Alexis is working with a criminal review organisation to prove a death row inmate's innocence. But with his execution date nearing she enlists the help of Castle. (S6 Ep7)
A Murder is Forever: The investigation into the murder of a relationship therapist reveals the lives and relationships of her elite clients, leading them to the discovery of a valuable jewel. (S6 Ep8)
Disciple: When murder victims, who bear a striking resemblance to both Lanie and Esposito, are found during an investigation the team worries that a killer is targeting the 12th precinct. (S6 Ep9)
Secret's Safe With Me: When a young woman is found murdered, Castle and Beckett uncover a crucial link to a repossessed storage unit and soon reveal big city 'storage wars'. (S5 Ep3)
The Way of the Ninja: When a Japanese ballerina is mysteriously murdered, Castle and Beckett's investigation into her secret life leads them straight to the top of the Yakuza. (S6 Ep18)
The Greater Good: The investigation into the death of a Wall Street trader takes a shocking turn when the victim is revealed to be an undercover informant for the U.S. Attorney's office. (S6 Ep19)
US mystery series. Plagued by a recurring nightmare, Castle visits a psychotherapist in order to establish the cause of his amnesia, and discovers new clues. (S7 Ep 20)[S]
US crime drama series. Castle and Beckett investigate when an astronaut training for a mission to Mars inside a spaceship simulator is murdered. (S7 Ep 16)[S]
US crime drama. When Kate is abducted by a serial killer, Richard Castle faces a terrifying race against time to save the life of the woman he loves. (S7 Ep 15)[S]
US crime drama series. Clues in a murder investigation point to Castle and Beckett's old nemesis, the elusive 3XK serial killer Jerry Tyson. (S7 Ep 14)[S]
US crime drama. Castle is hired as a private detective to investigate whether a husband has been unfaithful, but then witnesses his client's murder. (S7 Ep 13)[S]
US crime drama series. As Beckett's team investigate the death of an actress, Castle is hired as a private detective by the star of a Spanish soap opera. (S7 Ep 12)[S]
US crime drama series. After Castle finds out that his favourite 1980s movie star has been murdered, he and Beckett investigate the actor's past. (S7 Ep 9)[S]
US crime drama. When a web celebrity is murdered in her apartment, Castle and Beckett investigate the strange world of internet fame and cybercrime. (S7 Ep 5)[S]
US mystery series. Plagued by a recurring nightmare, Castle visits a psychotherapist in order to establish the cause of his amnesia, and discovers new clues. (S7 Ep 20)
US crime drama series. After a man is murdered in a park, Castle and Beckett team up with a detective from Hong Kong who has information about the victim. (S7 Ep 17)
US crime drama series. Castle and Beckett investigate when an astronaut training for a mission to Mars inside a spaceship simulator is murdered. (S7 Ep 16)[S]
US crime drama. When Kate is abducted by a serial killer, Richard Castle faces a terrifying race against time to save the life of the woman he loves. (S7 Ep 15)
US crime drama series. Clues in a murder investigation point to Castle and Beckett's old nemesis, the elusive 3XK serial killer Jerry Tyson. (S7 Ep 14)
US crime drama. Castle is hired as a private detective to investigate whether a husband has been unfaithful, but then witnesses his client's murder. (S7 Ep 13)
US crime drama series. As Beckett's team investigate the death of an actress, Castle is hired as a private detective by the star of a Spanish soap opera. (S7 Ep 12)
US crime drama series. After Castle finds out that his favourite 1980s movie star has been murdered, he and Beckett investigate the actor's past. (S7 Ep 9)
US crime drama. When a web celebrity is murdered in her apartment, Castle and Beckett investigate the strange world of internet fame and cybercrime. (S7 Ep 5)
US mystery series. Plagued by a recurring nightmare, Castle visits a psychotherapist in order to establish the cause of his amnesia, and discovers new clues. (S7 Ep 20)