Castle, Season 3

When Beckett and her team burst into an apartment on a murderer's trail, they see Castle standing over a dead woman's body holding a gun; Beckett arrests Castle as he asserts his innocence.

Beckett and Castle search for a psychic's killer while debating the existence of extrasensory abilities.

When a coded document attracts Castle's attention, Beckett must steer the case back to the violent felons who populated their victim's world; when Beckett's ex-partner arrives, Castle must watch the relationship become romantic.

A young mathematician is shot with a 200-year-old bullet, inspiring wild theories by Castle about a time-traveling murderer.

An unknown woman falls out of a casket along with the original deceased when pallbearers lose control of the casket at a funeral; the investigation takes Beckett and Castle into the world of amorous, bed-hopping physicians.

When a beautiful woman is found dead, the evidence indicates a notorious serial killer known as The Triple Killer.

When Beckett and Castle respond to an 'officer down' call, they discover the victim is actually a male stripper dressed as a cop.

While investigating a subway worker's murder in Central Park, Castle and Beckett unexpectedly uncover a boy's abduction.

When a prominent astrophysicist is found dead in her car, Castle is led to theorize her death was the result of an alien abduction.

When a bar owner's body is found in the East River, the investigation takes Castle and Beckett through the forgotten tunnels and passageways of turn-of-the-century New York; Castle considers buying a bar.

When Castle's novel Heat Wave becomes a movie, actress Natalie Rhodes accepts Beckett's invitation to visit and learn about the character she will play; Natalie observes Castle and Beckett's investigation of the murder of a matchmaker.

The owner of a historic magic shop is found dead in Houdini's water torture tank; a new romance comes to light.

The retired lead detective on Beckett's mother's homicide case is gunned down after telling her he has new information; Castle and Beckett's partnership grows stronger.

The murder of a lottery winner leaves Castle and Beckett with a wealth of suspects; Martha must decide what to do with her inheritance.

An old friend of Castle's emerges as the prime suspect in his wife's murder.

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.

Castle and Beckett must set aside their differences with Agent Fallon while trying to prevent a city-wide catastrophe.

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 a killer.

A juror suddenly dies during a high-profile trial involving a murdered socialite.

When a reporter is found dead inside a pizza oven, Castle and Beckett try to determine why he was murdered.

Castle and Beckett investigate the death of a champion swimmer; authors Michael Connelly and Dennis Lehane give Castle advice.

Against orders, Beckett travels to Los Angeles while investigating her ex-partner's murder; Castle questions Beckett's motives.

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).

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.