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Castle Season 4 episodes
S04 E01
Rise
42 mins · Mon, 19 Sep 2011
Detective Beckett fights for her life as Castle, plagued by guilt over his role in the events, struggles to uncover who's behind her brutal shooting. Meanwhile, back at the precinct, Ryan and Esposito have to adjust, as Victoria `Iron' Gates becomes the precinct's new uncompromising Captain.
S04 E02
Heroes & Villains
42 mins · Mon, 26 Sep 2011
When an ex-con is mysteriously slain in an alley, Castle and Beckett believe a vigilante is behind the murder.
S04 E03
Head Case
42 mins · Mon, 3 Oct 2011
Gunshots, a fleeing van and a massive pool of blood all point to murder, but when Castle and Beckett arrive at the crime scene, they discover that it's lacking something, a victim.
S04 E04
Kick the Ballistics
43 mins · Mon, 10 Oct 2011
While investigating the mysterious shooting death of a young woman, Castle and Beckett face a cop's worst nightmare when they discover that the gun used in the killing is Detective Ryan's old service weapon.
S04 E05
Eye of the Beholder
43 mins · Mon, 17 Oct 2011
Castle and Beckett work a murder case around the theft of a valuable sculpture.
S04 E06
Demons
43 mins · Mon, 24 Oct 2011
When a world-renowned ghost hunter is mysteriously murdered while investigating a haunting at a legendary New York mansion, Castle and Beckett can't rule out the possibility of paranormal foul play.
S04 E07
Cops & Robbers
42 mins · Mon, 31 Oct 2011
Castle and Martha are taken hostage by a crew of bank robbers, dressed in hospital scrubs and using the names of classic TV doctors. Beckett finds herself on the outside, desperately trying to rescue them.
S04 E08
Heartbreak Hotel
43 mins · Mon, 7 Nov 2011
Strong leads emerge in both New York and Atlantic City, during the investigation into the murder of an Atlantic City casino owner at an abandoned warehouse.
S04 E09
Kill Shot
42 mins · Mon, 21 Nov 2011
Castle and Beckett must track down a sniper, terrorising New York City.
S04 E10
Cuffed
43 mins · Mon, 5 Dec 2011
Castle and Beckett find themselves handcuffed together in a locked room with no memory of how or why they got there.
S04 E11
Till Death Do Us Part
43 mins · Mon, 9 Jan 2012
When a bachelor plummets to his death after a one-night stand, the investigation leads to a shocking discovery that might derail Ryan's wedding.
S04 E12
Dial M for Mayor
43 mins · Mon, 16 Jan 2012
When a woman is found dead in a car belonging to the mayor's motor pool, the investigation threatens to bring down his administration.
S04 E13
An Embarrassment of Bitches
45 mins · Mon, 23 Jan 2012
When a famous dog trainer is killed, the investigation keeps coming back to charismatic reality TV star Kay Cappuccio. Kay, a favorite of tabloids and gossip websites the world over, has achieved stardom without possessing any discernible skill or talent. But there seems to be more to her story than she is letting on -- does that include murder?
S04 E14
The Blue Butterfly
43 mins · Mon, 6 Feb 2012
Castle and Beckett find themselves in flashback mode to the 1940s.
S04 E15
Pandora
42 mins · Mon, 13 Feb 2012
Castle and Beckett pursue a ruthless killer who, they discover, is part of a sinister, international conspiracy.
S04 E16
Linchpin
43 mins · Mon, 20 Feb 2012
Castle and Beckett race to find the `Linchpin' in order to stop the first domino in a chain of events which will plunge the United States into war.
S04 E17
Once Upon a Crime
42 mins · Mon, 27 Feb 2012
Castle and Beckett find themselves on a Grimm hunt to catch a fairytale killer before he kills again. However, nothing is as it seems in a case filled with deceit, betrayal, secrets and murder.
S04 E18
A Dance With Death
43 mins · Mon, 19 Mar 2012
When a contestant on a hit competition show is found murdered in her dressing room, Castle and Beckett must navigate the case's many twists and twirls without stepping on each other's toes.
S04 E19
47 Seconds
43 mins · Mon, 26 Mar 2012
A bomb kills five people at a protest rally, and Beckett and Castle try to solve the case by reconstructing the 47 seconds before the explosion.
S04 E20
The Limey
42 mins · Mon, 2 Apr 2012
A devilishly handsome detective from Scotland Yard, Simon Hunt, teams up with Castle and Beckett to find the person responsible for the murder of his friend's daughter.
S04 E21
Headhunters
43 mins · Mon, 16 Apr 2012
With tensions rising between Castle and Beckett, Castle finds himself a new partner - Detective Ethan Slaughter.
S04 E22
Undead Again
42 mins · Mon, 30 Apr 2012
When Castle and Beckett investigate the murder of a man with human bite marks on his body, Castle's wild theories start flying.
S04 E23
Always
43 mins · Mon, 7 May 2012
In the season finale, Castle struggles to keep Beckett safe as she hunts down the man who shot her.