Fool Me Once: The mysterious murder case of an Arctic explorer takes Castle and Beckett's investigation from the Arctic Circle all the way up to the Pentagon, but someone's being fooled... (S2 Ep4)
Deep In Death: Beckett and Castle are forced back together to investigate a murder that soon sees them seated at a high-stakes, poker table with the drug-smuggling, Russian mob. (S2 Ep1)

Deep In Death: Beckett and Castle are forced back together to investigate a murder that soon sees them seated at a high-stakes, poker table with the drug-smuggling, Russian mob. (S2 Ep1)

The cunning and elusive serial killer remains at large and taunts Castle, Beckett and Federal Agent Jordan Shaw to catch him. (S2 Ep18/24)

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)

The cunning and elusive serial killer remains at large and taunts Castle, Beckett and Federal Agent Jordan Shaw to catch him.

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.
The Double Down: When the cases turn out to be strangely intertwined the teams must unite to solve this curious case. (S2 Ep2)
The Double Down: When the cases turn out to be strangely intertwined the teams must unite to solve this curious case. (S2 Ep2)

The Double Down: When the cases turn out to be strangely intertwined the teams must unite to solve this curious case. (S2 Ep2)

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)

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)

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.

Investigating the murder of a thief, Castle and Beckett are surprised to learn that Esposito has a personal connection to the suspected killer.
Inventing The Girl: When a promising young model is found dead during fashion week, Castle and Beckett are forced to investigate the ruthless world of the New York fashion industry. (S2 Ep3)
Inventing The Girl: When a promising young model is found dead during fashion week, Castle and Beckett are forced to investigate the ruthless world of the New York fashion industry. (S2 Ep3)

Inventing The Girl: When a promising young model is found dead during fashion week, Castle and Beckett are forced to investigate the ruthless world of the New York fashion industry. (S2 Ep3)

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)

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)

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.

Castle finds himself competing with Detective Demming in a race to solve a murder.
Fool Me Once: The mysterious murder case of an Arctic explorer takes Castle and Beckett's investigation from the Arctic Circle all the way up to the Pentagon, but someone's being fooled... (S2 Ep4)
Fool Me Once: The mysterious murder case of an Arctic explorer takes Castle and Beckett's investigation from the Arctic Circle all the way up to the Pentagon, but someone's being fooled... (S2 Ep4)

Fool Me Once: The mysterious murder case of an Arctic explorer takes Castle and Beckett's investigation from the Arctic Circle all the way up to the Pentagon, but someone's being fooled... (S2 Ep4)

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)

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)

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.

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.
When The Bough Breaks: Castle's first book featuring Beckett's alter-ego is released to rave reviews and he is forced to choose between his partnership with Beckett. (S2 Ep5)
When The Bough Breaks: Castle's first book featuring Beckett's alter-ego is released to rave reviews and he is forced to choose between his partnership with Beckett. (S2 Ep5)

When The Bough Breaks: Castle's first book featuring Beckett's alter-ego is released to rave reviews and he is forced to choose between his partnership with Beckett. (S2 Ep5)

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)

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)

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.

A coded clue leads Beckett, Castle and a cast of unusual suspects on a treasure hunt to recover some long-since buried booty.
Vampire Weekend: As Halloween approaches Castle and Beckett must plunge themselves into the world of the supernatural after a young man is mysteriously found dead. (S2 Ep6)