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24 Episodes 2010 - 2011
Episode 1
Mon, Sep 20, 201043 mins
Beckett hasn't heard from Castle since he left for the Hamptons months ago to finish writing his second Nikki Heat novel, "Naked Heat." The most Beckett, Ryan and Esposito have seen of Castle is a bookstore standee of him advertising an upcoming book signing.

Episode 2
Mon, Sep 27, 201043 mins
When a famous psychic is murdered, Beckett and Castle search for her killer while also carrying on a spirited debate on the existence of extrasensory abilities. Evidence mounts on both sides, especially when a letter arrives from the victim, penned the day she was killed and predicting her own death -- or was it written by a clever killer, hoping to throw off the investigation?

Episode 3
Mon, Oct 4, 201043 mins
When a coded document hidden by a murdered bail bondsman gets Castle's imagination running wild, Beckett must steer the case back to the violent felons who populated their victim's world - only to discover that maybe Castle's crazy theories aren't so crazy after all.

Episode 4
Mon, Oct 11, 201043 mins
Castle and Beckett look into the murder of a young mathematician gunned down with a 200-year-old bullet, sparking some wild theories by Castle about a time-travelling killer. When their investigation uncovers a tricked-out DeLorean and a suspect in Victorian clothing, is it possible Castle's crazy idea has some validity? This winding tale twists through the towers of Wall Street and into the world of a secret steampunk society that embraces the romance and simplicity of the past, while coupling it with the hope and promise of the future.

Episode 5
Mon, Oct 18, 201043 mins
Mysteries abound when pallbearers at a funeral lose control of a surprisingly heavy casket only to have a second unknown woman tumble out along with the original deceased. Castle's relationship with Gina is challenged when she tries to bond with Alexis.

Episode 6
Mon, Oct 25, 201043 mins
When a beautiful woman is found dead in an alley, all clues point to her being a victim of the notorious Triple Killer. The Triple Killer, or 3XK, terrorized New York City four years ago, then mysteriously disappeared. Now he's back. In a deadly battle of wits, Castle and Beckett race against time to stop 3XK before he claims his next victims.

Episode 7
Mon, Nov 1, 201043 mins
Responding to an "Officer Down" emergency call, Castle and Beckett's latest case takes a shocking turn when it's revealed that the victim isn't a cop but a male stripper dressed up as one. The murder leads them into the world of male strip clubs, the hardships of struggling actors.

Episode 8
Mon, Nov 8, 201043 mins
While investigating the murder of a NYC subway worker found shot to death in Central Park, Castle and Beckett unexpectedly uncover the shocking and violent abduction of a young boy. Working against the clock, the team must unravel the motives behind the high stakes kidnapping, not just to bring a murderer to justice, but to save the innocent lives that hang in the balance.

Episode 9
Mon, Nov 15, 201043 mins
Astrophysicist Marie Subbarao's corpse is found, with all symptoms of fatal explosive decompression. Her ex Ted Carter, a colleague at the institute, has an alibi. An SF author friend also points to Castle's remark that everything seems to point to aliens.

Episode 10
Mon, Dec 6, 201043 mins
When the body of a dockworker turned bar owner is found floating in the East River, Castle and Beckett's investigation takes them into the forgotten tunnels and passageways of turn-of-the-century New York, where they uncover a secret that's been buried since the days of Prohibition. The story celebrates New York bar culture, setting Castle on a quest to preserve history by buying a bar of his very own.

Episode 11
Mon, Jan 3, 201143 mins
Castle's doubts about method actress Natalie Rhodes playing the title lead in the movie version of his Niki Heat novel "Heat Wave" are laughed away by Becket, which changes after the star joins the team to observe and spookily-well imitates Becket's every way and even her ridiculously expensive taste come in handy. The team's current case is the murder of match-maker Stacy, in whose home a fortune in cash is found, so on top of theatrically dumped ex Brad Williams, her recent clients, their targets and her P.I. Duke Jones, must pass muster.

Episode 12
Mon, Jan 10, 201143 mins
When the owner of historic Drake's Magic Shop in New York is found drowned in Houdini's famous water torture tank, Castle and Beckett must delve into the world of magic, magicians and their secrets to find his killer. As part of their investigation, Castle and Beckett meet master magician Tobias Strange.

Episode 13
Mon, Jan 24, 201143 mins
Beckett is contacted by John Raglan, the investigating detective on the homicide of her mother, who is dying and, tormented by his conscience, has information about the original failed investigation. But before he can pass it on, Raglan is murdered by a sniper in front of Castle and Beckett; determined to uncover what Raglan knew, Beckett begins to investigate old leads in her mother's murder, but is soon suspended from the case after her integrity is challenged by her emotional investment. As Ryan and Esposito continue the investigation, Castle and Beckett launch their own unofficial inquiries -- and both teams soon find themselves up against a mysterious individual with power and influence who is willing to kill to ensure his secrets remain safe.

Episode 14
Mon, Feb 7, 201143 mins
Lottery-multimillionaire Jay Hixton is shot in the heart at home around midnight. He was apparently forced to open his safe. It contained a gun even butler Reginald Easley didn't know about, which was laid besides him, and a bag, which was taken, containing $100,000 cash and a blue dye bomb.

Episode 15
Mon, Feb 14, 201143 mins
Damian Westlake, Castle's boarding school protector and mentor, who helped him aspire to writing, is the obvious suspect when his rich wife is killed in their house. Castle gets temporarily sidelined when Becket feels his friendship with Damian is clouding his judgment. However, she may have to admit that Damian, in spite of evidence of infidelity and financial problems, may well be innocent. Castle, however, is forced to attempt proving Damian didn't kill his father, whose suspicious fatal robbery was never solved.

Episode 16
Mon, Feb 21, 201143 mins
Recent US citizen Amir Alhabi, an immigrant from Syria, is found dead in a building next to where his stripped cab is found. He and his cousin Jamal were the owners of the cab. Investigation of the cab's GPS shows that Amir picked up a fare earlier in the day, drove in a circle and then let him out at the same spot.
Episode 17
Mon, Feb 28, 201143 mins
Castle's clever idea help him and Beckett find the dirty bomb but they get locked in a refrigeration container. Luckily, Ryan and Esposito ignore orders and find them before they freeze to death.. Agent Mark Fallon lifts their official ban from the case and follows Castle's next ideas about identity, widows and an Afghan-military connection. Add Fallon's interrogation zeal and they're just in time to discover the dark motive and find the bomb but it is armed and about to explode in the middle of Manhattan.

Episode 18
Mon, Mar 21, 201143 mins
Martha's connections in soap operas prove dangerous as well as practical and sexy when the chief script writer on "Temptation Lane," which once made Martha's career, is axe-murdered. After wading through theories based on actor career opportunism and private infidelity plus some far-fetched ones, Castle sets a scripted trap.

Episode 19
Mon, Mar 28, 201143 mins
Juror #7 Joe McUsic, who runs a halfway house, drops dead of cyanide-poisoning during Otis Williams's high-profile trial for the murder of heiress Lyla Addison. Juror #4 Tony Mueller runs as he believed Otis's cousin, Wardell, poisoned Joe and he'd be next.

Episode 20
Mon, Apr 4, 201143 mins
Castle knows of four pizzerias named "Nick," with various combinations of the predicates terrific and/or authentic. But their owners, bitter rivals, continually sabotage each other with frat pranks. Then a corpse is found in the pizzeria oven, crisped, but killed by previous stabbing.

Episode 21
Mon, Apr 11, 201143 mins
College swimming team champion Zack Lindsey, self-made on a partial scholarship, is murdered during a nightly training session and dumped in the pool. Beckett and Castle wade through Zach's, his teammates', his coach's and even retired predecessor Rob 'Rocket' Tredwyck dodgy connections, motives and alibis, involving car theft and doping. Meanwhile, Castle soon regrets bringing along his writing protégé Alex Conrad, whom Beckett surprisingly welcomes as eagerly as his crime authors' poker club proves jealously aloof.

Episode 22
Mon, May 2, 201143 mins
Mike Royce, Becket's former police mentor, who lost his bounty-hunter license when she arrested him, is murdered while visiting New York, possibly by a fellow passenger from L.A. The captain takes her off the case but she uses extant leave. Castle comes along, having to visit his book's movie set anyway. Informally backed up by Ryan and Esposito, they soon find Royce must have been after the manufacturer of the dissolving type of bullet he was killed with. The trail of arms-dealings and new crimes leads back to New York, fortunately as LAPD detective Kyle Seeger, who follows, wants them out as much as Montgomery ordered Becket back.

Episode 23
Mon, May 9, 201143 mins
At New York luxury hotel tycoon Victor Baron's famous national beauty pageant, Illinois contestant Amber Middleberry was strangled and hoisted up on scene. Amateur Castle and Becket, who hates that scene, investigate. A black sequin found on the corpse matches no competitor, but host Bobby Stark, Castle's favorite soap TV model father, who in fact has a stalking history without convictions. Meanwhile, Alexis lovingly dumps Ashley just to stop him studying in New York so as to remain close to her.

Episode 24
Mon, May 16, 201143 mins
Cop killer Hal Lockwood, whom Beckett visited unsuccessfully in jail for months hoping for a lead in her mother Johanna's closed murder case, is released by a faked order into the general population, where he slices rogue cop Gary McCallister's throat, then is helped by fake cops to escape.
