The Good, the Bad & the Baby
Season 6, Ep. 10
A dying man leaves a baby with a priest; Castle and Beckett end up taking care of the baby while they investigate.View Gallery ►
A Murder Is Forever
Season 6, Ep. 8
When a well-known relationship therapist is murdered, it seems that she was targeted due to the secrets she knew about her powerful and elite clients.View Gallery ►
Like Father, Like Daughter
Season 6, Ep. 7
Alexis asks Castle for help proving a death row inmate's innocence 72 hours before his execution, but they uncover a secret that could seal the man's fate.
Read More: Wedding bells ahead: 'Castle' creator weighs in on what's in store for Beckett and Castle
First Aired: November 4, 2013
Get a Clue
Season 6, Ep. 6
Castle and Beckett investigate the bizarre murder of a young woman who was found ritually posed. When the team finds a collection of strange symbols in her apartment and the prime suspect turns out to be a mysterious monk, Castle becomes convinced they’ve stumbled onto a “Da Vinci Code” style conspiracy. Meanwhile, Castle tries to come to grips with the fact that Alexis and Pi have moved in together.
Read More: ‘Castle’ exclusive: ‘It’s always fun to torture Castle a little bit,’ says executive producer
Time Will Tell
Season 6, Ep. 5
A suspect (Joshua Gomez) in a grisly murder claims he has travelled back in time to prevent terrible events from unfolding.
Read more: Chemical weapons, hostage taking and now...time travel?
Number One Fan
Season 6, Ep. 4
A desperate murder suspect with a hostage insists on negotiating with Castle.
Read more: Beckett’s back in NYC for good, but Castle might be down for the count
Need to Know
Season 6, Ep. 3
Agents Beckett and McCord arrive to take over Castle and the guys' investigation into the death of a former child star, creating tension in the precinct.
Read: Beckett heads back to NYC for a case, but refuses to be 'castled' by her fiance
Season 6, Ep. 2
Beckett races to find a stolen toxin capable of killing thousands of people; Castle has less than 24 hours to live after being exposed to the chemical weapon.
READ: The lovebirds might be engaged, but does Castle really only have a day to live?
Watershed - FINALE
Season 5, Ep. 24
An interview with a federal law enforcement agency forces Beckett to reconsider her career and her relationship with Castle; a young woman's body is found inside a flop house's water tank.
Read more: 'Castle' finale: It might not be happily-ever-after for Castle and Beckett
Gallery: Nathan Fillion: The king of 'Castle'
First aired on May 13, 2013.
The Human Factor
Season 5, Ep. 23
When a government whistleblower is murdered, Beckett and Castle must figure out who is responsible and determine why Homeland Security is trying to take over the case.
Read more: The master of hijinx himself gets pranked by Beckett (again!)
Gallery: The many faces of (stunning!) Stana Katic
First Aired: May 6, 2013
Season 5, Ep. 22
When Beckett steps on a pressure-sensitive bomb, the team searches for a way to save her while Castle distracts her by talking about their relationship.
First Aired: April 29, 2013
The Squab and the Quail
Season 5, Ep. 21
When Beckett is tasked with protecting a charming billionaire whose life is in danger, she reflects on her relationship with Castle; consumed with jealousy, Castle tries to solve the case as quickly as possible.
First Aired: April 22, 2013
The Fast and the Furriest
Season 5, Ep. 20
Beckett and Castle discover giant footprints at the site of a vicious murder, leading the team to wonder if Bigfoot is the killer.
Read more: It's Castle vs. Big Foot...and Castle vs. Beckett's skepticism
Gallery: 'Castle' cases worth writing about
First Aired: April 15, 2013
The Lives of Others
Season 5, Ep. 19
While stuck at home with a broken leg, Castle believes he witnesses a murder in the apartment across the street.
Read more: The 100th episode has a Hitchcock homage with housebound Castle witnessing a murder
First Aired: April 1, 2013
The Wild Rover
Season 5, Ep. 18
When a body is discovered in an industrial cake mixer, the murder is traced to an Irish gang and a bar owner named Siobhan O'Doul (Cara Buono); Detective Ryan reveals a history with Siobhan from his time working under cover in narcotics.
Read more: Nathan Fillion promises Det. Ryan's secret past will be revealed
First Aired: March 25, 2013
Scared to Death
Season 5, Ep. 17
Castle and Beckett tackle one of their creepiest cases yet when a woman appears to have been scared to death by a "haunted" DVD; Castle fears for his life after he accidentally watches the video.
Read more: Things get terrifying with a guest appearance by horror movie director Wes Craven
First Aired: March 18, 2013
Season 5, Ep. 16
After the FBI fails to get Alexis back, Castle takes matters into his own hands; Castle learns that his daughter's kidnapping may be a part of a larger and more sinister agenda.
Read more: A world-wide search for Alexis and the emergence of Castle's dad
Gallery: Castle is the best dad on TV
First aired on February 25, 2013.
Season 5, Ep. 15
A murder investigation reveals a plot to kidnap a wealthy businessman's daughter; FBI Agent Harris (Dylan Walsh) helps Castle and Beckett investigate.
Read More: Castle’s worst nightmare comes true and the #SaveAlexis hashtag says it all
First aired on February 18, 2013.
Reality Star Struck
Season 5, Ep. 14
Castle tries to give Beckett a Valentine's Day gift, but his plans go awry as a young rising star of "The Wives of Wall Street" is murdered.
Read More: Castle’s Valentine’s Day plans for Beckett are thwarted
View: 'Castle's' most romantic moments
First aired on February 11, 2013.
Season 5, Ep. 13
Castle and Beckett discover evidence that links a young woman's murder to Sen. William H. Bracken (Jack Coleman) -- the man responsible for the murder of Beckett's mother; Beckett faces complications as she tries to finally bring Bracken to justice.
Read: An extra episode announced and rumours of an unexpected family reunion
Photo gallery: Check out how the cast has changed over the seasons
First aired on February 4, 2013.
Under the Influence
Season 5, Ep. 11
Castle and Beckett are thrust into New York's raucous music industry as they investigate the murder of an up-and-coming DJ; Esposito takes a troubled teen under his wing.
First aired on January 14, 2013.
Season 5, Ep. 10
Several angry ex-husbands come under suspicion when a divorce attorney who only represented women is murdered; when Alexis gets sick, Castle's ex-wife moves into the loft to take care of her.
First aired on January 7, 2013.
Season 5, Ep. 9
Castle and Beckett investigate when a bearded man named Kriss Kringle falls from the sky in Central Park; Beckett and Castle work on a Christmas list together.
First aired on December 3, 2012.
Season 5, Ep. 8
While retrieving a murder witness, Castle and Beckett are ambushed, forcing them to take the witness on the run
First aired on Nov. 19, 2012.