Detective Beckett struggles to survive; Castle tries to identify the shooter; Ryan and Esposito try to adjust to the new captain.
2. Heroes & Villains
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September 25, 2011
43min
16+
Castle and Beckett suspect a costume-clad vigilante is responsible for the mysterious murder of an ex-con.
3. Head Case
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October 2, 2011
43min
16+
Castle and Beckett investigate a crime scene that involves a large pool of blood but no victim; Alexis receives news about Stanford.
4. Kick the Ballistics
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October 9, 2011
43min
16+
When a young woman is shot to death, Beckett and Castle learn the gun used was the one a serial killer stole from Detective Ryan.
5. Eye of the Beholder
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October 16, 2011
43min
16+
A sexy insurance investigator (Kristin Lehman) with a secret helps Castle and Beckett when a valuable sculpture is stolen and someone is murdered.
6. Demons
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October 23, 2011
43min
16+
Castle and Beckett investigate the murder of a ghost hunter who was looking into a haunting at a New York mansion.
7. Cops & Robbers
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October 30, 2011
43min
16+
Martha and Castle are held hostage by bank robbers dressed in hospital scrubs; Beckett's rescue efforts are hindered by a strict hostage negotiator.
8. Heartbreak Hotel
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November 6, 2011
43min
16+
When a casino owner is murdered at an abandoned warehouse, suspects emerge in New York and Atlantic City.
9. Kill Shot
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November 20, 2011
43min
16+
The team searches for a sniper who is terrorizing New York; Beckett tries to hide her worsening PTSD from Castle and the detectives.
10. Cuffed
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December 4, 2011
43min
16+
Beckett and Castle wake up handcuffed together in bed in a locked room with no memory of how they got there.
11. Till Death Do Us Part
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January 8, 2012
43min
16+
When Castle and Beckett investigate the death of a ladies' man, a twist in the case may disrupt Ryan's wedding.
12. Dial M for Mayor
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January 15, 2012
43min
16+
When a woman is found dead in her car, the investigation leads to New York Mayor Robert Weldon (Derek Webster), one of Castle's longtime friends.
13. An Embarrassment of Bitches
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January 22, 2012
43min
16+
The investigation into the death of a famous dog trainer leads to a reality-TV star.
14. The Blue Butterfly
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February 5, 2012
43min
16+
Castle and Beckett must investigate a mysterious case from 1947 in order to solve the present-day murder of a treasure hunter.
15. Pandora
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February 12, 2012
43min
16+
Castle and Beckett discover the killer they are pursuing is part of an international conspiracy and they must work with a CIA agent with whom Castle has a history.
16. Linchpin
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February 19, 2012
43min
16+
Beckett and Castle must stop a series of events that could result in a war.
17. Once Upon a Crime
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February 26, 2012
43min
16+
When two women are found dead dressed as fairytale characters, Castle and Beckett must race to find the killer before he strikes again!
18. A Dance with Death
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March 18, 2012
43min
16+
The investigation into the death of a contestant on a popular dance competition show leads Castle and Beckett to a shocking secret that may have led to her death.
19. 47 Seconds
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March 25, 2012
43min
16+
When a bomb kills five people at a protest rally, Beckett and Castle try to solve the case by reconstructing the 47 seconds prior to the explosion.
20. The Limey
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April 1, 2012
43min
16+
A detective from Scotland Yard teams up with Castle and Beckett on a murder investigation.
21. Headhunters
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April 15, 2012
43min
16+
Castle takes on Detective Ethan Slaughter as his partner when tension between himself and Beckett rises, and he sees a new side to police work that puts him in danger.
22. Undead Again
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April 29, 2012
43min
16+
When a dead man is found with human bite marks on his body, a witness claims the deceased was attacked by a zombie.
23. Always
This video is currently unavailable
May 6, 2012
43min
16+
Castle tries to protect Beckett as she pursues the man who shot her; the 12th precinct is forever changed as feelings and secrets are revealed.