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Watershed, Episode 24 (Finale)
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.
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Nathan Fillion: The king of 'Castle'
There is definitely one thing Nathan Fillion is not: camera shy.
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The many faces of Stana Katic
Stana Katic is all smiles on the red carpet.
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The Human Factor, Episode 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.
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Still, Episode 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.
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The Squab and the Quail, Episode 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.
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'Castle' cases worth writing about
A look back at some of the odd and offbeat cases that Castle and Detective Kate Beckett have worked on.
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The Fast and the Furriest, Episode 20
Beckett and Castle discover giant footprints at the site of a vicious murder, leading the team to wonder if Bigfoot is the killer.
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The Lives of Others, Episode 19
While stuck at home with a broken leg, Castle believes he witnesses a murder in the apartment across the street.
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The Wild Rover, Episode 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.
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Scared to Death, Episode 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.
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Fatherly love: Castle is the best dad on TV
From ice cream parties to grilling new boyfriends, Castle is such a great dad to Alexis.
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Hunt, Episode 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.
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Target, Episode 15
A murder investigation reveals a plot to kidnap a wealthy businessman's daughter; FBI Agent Harris (Dylan Walsh) helps Castle and Beckett investigate.
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'Castle's' most romantic moments
Castle + Beckett sitting in a tree...
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Reality Star Struck, Episode 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.
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Castle: Then and Now
From the first season to the fifth, the characters sure have changed!
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Under the Influence, Episode 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.
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Significant Others, Episode 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.
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Check out which tv couples will be ringing in the new year with a kiss!
Castle and Beckett, Oliver and Helena, Elena and Damon; CTV.ca rounds up the sexiest couples of 2012 that will make all the winter snow melt away!
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Secret Santa, Episode 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.
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After Hours, Episode 8
While retrieving a murder witness, Castle and Beckett are ambushed, forcing them to take the witness on the run.
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Swan Song, Episode 7
A documentary crew follows Castle, Beckett and the team as they investigate the murder of a rock band's lead guitarist.
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The Final Frontier, Episode 6
As Beckett and Castle investigate a murder at a sci-fi convention, they encounter avid fans in costume, egotistical celebrities and a lot of drama.
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Probable Cause, Episode 5
While investigating a shocking ritualistic murder, Beckett and her team uncover surprising evidence linking Castle to the killing. As the evidence against him mounts, loyalties are tested, and when surprising revelations come to light, Beckett begins to wonder how well she really knows her new lover and partner of four years.
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Murder, He Wrote, Episode 4
Castle and Beckett's plans for a romantic weekend in the Hamptons are interrupted when a dying man stumbles into Castle's backyard, collapsing into his pool.



