Season 3 - Episode 24 : Knockout May 16, 2011
Season 3 - Episode 24 : Knockout May 16, 2011
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.
Season 3 - Episode 23 : Pretty Dead May 9, 2011
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).
Season 3 - Episode 22 : To Love and Die in L.A. May 2, 2011
Against orders, Beckett travels to Los Angeles while investigating her ex-partner's murder; Castle questions Beckett's motives.
Season 3 - Episode 21 : The Dead Pool Apr 11, 2011
Castle and Beckett investigate the death of a champion swimmer; authors Michael Connelly and Dennis Lehane give Castle advice.
Season 3 - Episode 20 : Slice of Death Apr 4, 2011
When a reporter is found dead inside a pizza oven, Castle and Beckett try to determine why he was murdered.
Season 3 - Episode 19 : Law & Murder Mar 28, 2011
A juror suddenly dies during a high-profile trial involving a murdered socialite.
Season 3 - Episode 18 : One Life to Lose Mar 21, 2011
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.
Season 3 - Episode 17 : Countdown Feb 28, 2011
Castle and Beckett must set aside their differences with Agent Fallon (Adrian Pasdar) while trying to prevent a city-wide catastrophe.
Season 3 - Episode 16 : Setup Feb 19, 2011
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.
Season 3 - Episode 15 : The Final Nail Feb 14, 2011
An old friend of Castle's emerges as the prime suspect in his wife's murder.
Season 3 - Episode 14 : Lucky Stiff Feb 7, 2011
The murder of a lottery winner leaves Castle and Beckett with a wealth of suspects; Martha must decide what to do with her inheritance.
Season 3 - Episode 13 : Knockdown Jan 24, 2011
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.
Season 3 - Episode 12 : Poof, You're Dead Jan 10, 2011
The owner of a historic magic shop is found dead in Houdini's water torture tank; a new romance comes to light.
Season 3 - Episode 11 : Nikki Heat Jan 3, 2011
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.
Season 3 - Episode 10 : Last Call Dec 6, 2010
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.
Season 3 - Episode 9 : Close Encounters of the Murderous Kind Nov 15, 2010
When a prominent astrophysicist is found dead in her car, Castle is led to theorize her death was the result of an alien abduction.
Season 3 - Episode 8 : Murder Most Fowl Nov 8, 2010
While investigating a subway worker's murder in Central Park, Castle and Beckett unexpectedly uncover a boy's abduction.
Season 3 - Episode 7 : Almost Famous Nov 1, 2010
When Beckett and Castle respond to an "officer down" call, they discover the victim is actually a male stripper dressed as a cop.
Season 3 - Episode 6 : 3XK Oct 25, 2010
When a beautiful woman is found dead, the evidence indicates a notorious serial killer known as "The Triple Killer."
Season 3 - Episode 5 : Anatomy of a Murder Oct 18, 2010
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.
Season 3 - Episode 4 : Punked Oct 11, 2010
A young mathematician is shot with a 200-year-old bullet, inspiring wild theories by Castle about a time-traveling murderer.
Season 3 - Episode 3 : Under the Gun Oct 4, 2010
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.
Season 3 - Episode 2 : He's Dead, She's Dead Sep 27, 2010
Beckett and Castle search for a psychic's killer while debating the existence of extrasensory abilities.
Season 3 - Episode 1 : A Deadly Affair Sep 20, 2010
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.