While investigating a murder, Castle and Beckett find a link to a kidnapping plot. FBI Agent Harris is called in to help find the kidnappers.
Castle's stuck in the loft with a broken leg as Beckett investigates an IRS agent's death. Bored and unhappy, Castle spends his time looking out the window where he thinks he's seen a young woman murdered.
When Castle takes matters into his own hands, after the FBI fail to get Alexis back, he discovers that the kidnapping may be part of something more ominous.
Castle and Beckett must sort out the truth when investigating a murder suspect who claims he's from the future.
Castle and Beckett's murder investigation involves a female victim who looks just like Lanie. As they dig deeper, they become aware that the killer may be after the detectives of the 12th Precinct.
Drama, celebrities with big egos and diehard fans dressed in costume are all part of Castle and Beckett's investigation when a body is found at a sci-fi convention.
Richard Castle is called in to help police after two murders look very similar to murders from his books.
A body found down a manhole leads to the lonely life of a Czech immigrant recently fired from her job for getting too close to her employer's son. Meanwhile, on the eve of launching Nikki Heat, Castle's agent has an exciting new offer for him; but if he takes it, it would end his work with Beckett.moreless
Castle & Beckett team up with the FBI to hunt down a cunning and elusive serial killer, that is playing by Castle's book "Nikki Heat".
The investigation behind a body found wrapped in a rug on the sidewalk leads Castle and Beckett deep inside the world of New York City politics. The partners discover a world of expensive escorts, arrogant tycoons, corrupt investigators, and the effects of betrayal.
The second part of the story begun in "Tick, Tick, Tick…," after Beckett's apartment is blown up it confirms that the serial killer is still alive. He taunts Castle, Beckett and Agent Shaw to catch him.
In order to solve the current murder of a treasure hunter, Castle and Beckett must first solve a 1947 homicide that involved a hard-boiled private detective.
Castle and Beckett investigate what appears to be the assassination of an intelligence operative. Meanwhile, Beckett continues her romance with Demming, jeopardizing her relationship with Castle, which forces them to finally face down their feelings for each other.
A dead woman leaves clues indicating that the Tripler Killer aka 3XK is back after a four year hiatus. Castle and Beckett play a deadly game of wits with the killer to prevent more killings.
Beckett is called in to work with the FBI when a 2 year old girl is missing. Castle vies for Beckett's attention when he finds out that the FBI Agent in charge of the case is Beckett's ex.
Beckett conducts a covert investigation related to her mother's murder but things go terribly wrong when the subject under surveillance is killed. Castle and Beckett become the object of a manhunt when evidence connects Beckett to the victim.
Beckett and Castle are tasked with solving the murder of man who handed a baby over to a priest just before he died. While playing nanny to the lost child, they must figure out who killed the man, how did he come to have the baby, who isn't related to him, and where are the rightful parents.moreless
Picking up the morning after, Castle and Beckett now have to decide if they're a couple or was it just a onetime deal. But before they can tackle that, they must deal with those responsible for Kate's mother's death who are now a threat to Beckett.
Castle and Beckett investigate the murder of a woman found frozen and tangled in steel bars at a construction site. The case leads them to looking into an old case and also has Beckett thinking about some memories from her past.
Castle and Beckett investigate the discovery of a man found dead in an industrial cake mixer and a link to an Irish Staten Island gang and bar owner, Siobhan O'Doul. Surprising everyone is that Ryan has a history with Siobhan from when he worked undercover in narcotics. With no leads and the case threatening to go cold, Ryan goes back undercover to help find the killer.moreless
Castle and Beckett investigate the death of an Irish mobster, but while on the case they uncover what may be an international drug smuggling operation, as well as the killer may be involved in the murder of Beckett's mother.
Castle and Beckett need to uncover a gunman's agenda after he takes hostages, including Esposito, on the subway.
A ritualistic murder puts Castle in the crosshairs as evidence mounts linking him to the killing. Surprises come to light leaving Beckett to question how well she really knows Castle.
Castle and Beckett investigate the murder of a plastic surgeon. Meanwhile, Alexis has her first prom and Castle snoops around Beckett's past with surprising results.
While the team looks for a way to disarm the bomb that Beckett has stepped on, Castle diverts her attention by engaging in an argument about who fell for whom first.
Beckett and Castle investigate numerous cases involving murders and home invasion jewel heists.
Castle and Beckett investigate the murder of a man stuffed down a garbage chute. Things get complicated when both his wife and fiancée come in to identify the body.
Complications ensue when Castle and Beckett finally try to take Senator Bracken down after finding evidence connecting him to a young woman's murder.
Castle and Beckett investigate an art dealer who is shot in his gallery, but a bullet is inexplicably missing from the crime scene. Following the trail of the missing fifth bullet, the team discovers the only witness - who appears to be suffering from amnesia.
It's close to Halloween, and a man is found murdered in a graveyard - with a stick through his heart, and sporting fangs. Castle and Beckett track the murderer to a vampire cult, all the while Castle is trying on costumes for his Halloween party - costume mandatory!
Castle and Beckett investigate the mysterious death of an Arctic explorer during an expedition. The investigation leads them in many interesting directions including Park Avenue and the CIA. Things really gets frustrating when Castle wonders if the killer is fooling all of them.
Castle and Beckett help Alexis with an Innocence Review case. With only 72 hours until his execution, their goal is to prove that the death row inmate was wrongly convicted. But, some of what they uncover may only strengthen the case against him.
Castle and Beckett investigate the murder of Will Medina, the assistant curator of the Natural History Museum. The museum's personnel believe his death is related to the curse of the ancient mayan tombs.
When a murder suspect takes hostages, she'll only deal with Richard Castle.
A crew of bank robbers disguised as classic television doctors take hostages which include Castle and Martha. But things are complicated by the fact that Beckett's on the outside having her every move scrutinized by a hostage negotiator and Castle's on the inside with information that the hostages are just a distraction for a more ominous plan.moreless
One of Esposito's old cases is reexamined by Castle and Beckett because of a clue left at a crime scene involving an armored-car driver's murder.
Castle and Beckett seemingly have an open and shut murder case when a woman confesses to having murdered a struggling actor. But when they determine the woman couldn't have done it, another comes forward to confess just as convinced they did the murder. The team realizes that multiple confessions by strangers have made this a mysterious case indeed.moreless
Castle and Beckett must reconstruct the 47 seconds prior to the time a bomb exploded at a protest rally in order to find who planted the bomb.
Castle and Beckett's latest case involves the murder of a rising star. Things don't go as planned when Castle tries to give Beckett a Valentine's Day gift.
A "haunted" video seems to have scared a young woman to death and now Castle is convinced he's next after inadvertently watching the cursed video.
The murder investigation of a video store clerk, who's also a high level hacker, leads Beckett and Castle straight to the mysterious Jackson Hunt.
Castle and Beckett compete against Ryan and Esposito to see who can solve their murder case first. A few twists make the two teams work together to figure things out.
Castle and Beckett investigate the murder of a dead man found in a family's house that just returned from vacations. Meanwhile, Castle is elected as one of New York's 10 most eligible bachelors.
Castle and Beckett investigate the murder of an Assistant District Attorney. Meanwhile, Alexis confides a secret to Beckett instead of her father.
After a Japanese ballet dancer is inexplicably murdered, Castle and Beckett find that her secret life provides evidence of a ninja assassin, and now that ninja is after them.
Beckett is on the hunt for the man who shot her which puts Castle in a precarious position. Soon everything will be out in the open and nothing will be the same for the 12th Precinct.
Beckett and Castle investigate the death of a man dressed as Santa after he drops out of the sky in Central Park. Castle and Beckett get ready to spend their first Christmas together.
Castle and Beckett find there are plenty of suspects when a powerful divorce attorney is murdered. Chaos, tension, humor and awkwardness abound when circumstances bring Castle's ex-wife, Meredith, and Beckett to both live at the loft.
It's fashion week and Castle and Beckett get to see what happens in the background as they investigate the murder of a model.
Castle and Beckett investigate the murder of a woman found drowned in motor oil in a motel bathtub. They seek the help of a true crime journalist who might have a connection with the victim.
Castle and Beckett look into the Vudon religion when an immigrant is found tortured in a ritualistic killing. Meanwhile on the homefront Castle must deal with the possible homecoming of Alexis' mother, his first wife.
Castle and Beckett have disappeared, leaving the rest of the detectives searching for them. Elsewhere, Castle and Beckett find themselves handcuffed together in bed in a locked room but have no idea how they got there.
An international conspiracy plays into the case of a killer being pursued by Castle and Beckett. A sexy CIA operative with ties to Castle joins in on the case. (Part 1 of 2)
Castle's partnership with the police, courtesy of Castle's longtime friendship with the Mayor, is threatened when a murdered woman is found in a car from the Mayor's motor pool. The ensuing scandal could bring down Mayor Weldon's administration and with it Castle's partnership with Beckett.
Part 2 of 2. Stakes rise as the 12th Precinct matches wits with serial killers Jerry Tyson (3XK) and Dr. Kelly Nieman. Castle and the team must crack the case before the killers claim their next victim.
Castle and Becket search for a serial arsonist turned murderer after they find that the dead body in a building fire was in fact shot to death. Jenny goes into labor but Ryan's put in some danger that could ruin the moment.
Castle and Beckett investigate what it seems to be a robbery-homicide, but while investigating the case they find out that the victim was involved in a mysterious conspiracy.
A repossessed storage unit, treasure seekers and Manhattan socialites all come together in the case of a woman inexplicably murdered. Castle decides to enter the storage unit auction to see if anything inside might have led to her killing.
Castle and Beckett are called to a wedding to investigate the murder of a bridesmaid. Castle realizes that the wedding is from a former girlfriend Kyra. Everyone's feelings are compromised, since Kyra has doubts about who she is marrying, Castle's feelings may not be as objective in the case and Beckett picks up the connection between them, making her a little jealous and have poor judgement.moreless
The team has their toughest case ever when a sniper on a killing spree in New York City has no apparent motive. The case is especially hard on Beckett as she tries to hide her progressive PTSD moments which are surfacing.
Castle and Beckett investigate the murder of a bike messenger and the past of a prominent family figures into the investigation.
A manhunt is launched for professional hitman, Hal Lockwood, after he escapes during a court hearing. Lockwood possesses information about the murder of Beckett's mother. As the hunt proceeds, Castle and the team find there's someone with connections to law enforcement who's linked both to the death of Johanna Beckett and to Lockwood's escape. The season finale leads to a highly emotional and deadly conclusion with the search for Lockwood and his co-conspirator.moreless
When pallbearers lose control of a casket at a funeral, the deceased and a second unknown woman tumble out of the casket. The victim turns out to be a doctor at County Hospital. Now it's up to Beckett and Castle to determine if the world of bed-hopping physicians created murderous jealousy or if the doctor's work outside of the hospital got her killed. Gina attempt to bond with Alexis puts a strain on her relationship with Castle.moreless
The body of a missing New York mobster who disappeared in the seventies is found at a construction site, but the only witness thinks it's still the 1970's. Castle and Beckett must play along with his delusion to find out what he knows.
In the seventh-season finale, a death occurs in the woods and Castle becomes obsessed with the case because it reminds him of a pivotal event in his childhood. Meanwhile, Beckett reaches a turning point in her life.
Castle's latest theory is alien abduction after an astrophysicist's death is found to be from explosive decompression. A well known alien abduction expert gets involved in the case. To complicate things more, a government agent wants to shut down their investigation.
With the latest case of a murdered bail bondsman, Beckett discovers that Castle's wild imagination and theories may be on the mark. Beckett's ex-partner makes a surprise arrival and Castle is forced to watch the two reminisce and engage in a little romance.
When Castle is prohibited from working with Beckett or the 12th Precinct he gets his P.I. license and shows up at Beckett's crime scene as a private investigator, where things don't go as planned.
Beckett and her team burst into an apartment on a murderer's trail, just to be surprised when they see Castle, who they haven't heard or seen in months, standing over a dead woman's body holding a gun. Beckett, has no other choice but to arrest Castle until he proves his innocence.moreless
Castle and Beckett investigate the murder of a thief. While investigating the murder they learn that Esposito may have a personal connection to the suspect's killer. In the meantime, Robbery Detective Tom Demming is assigned to the case and hits it off with Beckett, making it hard for Castle to work together on the case.moreless
When Beckett helps out on an undercover Narcotics investigation, the mission turns deadly. To survive, Beckett is forced to use her wits with some of New York's dangerous underworld and a powerful enemy from her past.
A body is found in a theater where Martha is working, so Castle and Beckett investigate and are surprised to learn how cutthroat Acappella singers can be.
Deceit, betrayal and secrets are all part of the case of fairytale killer. Castle and Beckett find nothing is as it seems after the bodies of two women, one dressed as Red Riding Hood and one as Snow White, are found murdered.
It's Beckett's first day back from suspension. When the local TV weather girl is murdered, she and Castle must forge a course through a world of backstabbing and ruthless ambition to solve the case, all while keeping their new relationship a secret.
Beckett continues her quest to find the stolen toxin as Castle is left with less than a day to live after his exposure.
Beckett's still in D.C., so Castle is at the precinct helping Esposito and Ryan investigate the murder of a former child star. But before much can be done, and without explanation, Beckett and McCord show up and take over the case. A new detective has been assigned to the 12th, NYPD Detective Frank "Sully" Sullivan.moreless
Castle and Beckett investigate a murder in which the prime suspect is one of Castle's old friends.
A robbery-homicide prompts Beckett to invite Detective Demming to assist on the case. The investigation becomes a competition for Beckett's attention as both men race to solve the case.
The only witness to a murder victim with human bite marks on his body insists it was a Zombie attack. Castle, Beckett and the rest of team must delve into New York's Zombie subculture to find the killer.
Part 1 of 2. Castle and Beckett encounter an old rival, Dr. Kelly Nieman, while looking at clues in a woman's mysterious murder, and then further investigation links an infamous serial killer to the crime.
On route to London, Castle and Alexis' routine flight turns deadly when the plane's Air Marshal is found murdered. With Beckett's help on the ground, they race to find the killer before he carries out his deadly plan.
As Beckett fights for her life, Castle attempts to find the person responsible for the shooting. Meanwhile back at the precinct, Ryan and Esposito try to adapt to the new captain in charge.
Escaping to the Hampton's for a romantic weekend, Castle and Beckett end up in the middle of a murder investigation when a dying man falls into Castle's pool.
Castle goes undercover at an elementary school to find the second-grader who may possess information about the shooting of an ice cream vendor.
Hired to look into possible infidelity, Castle unexpectedly witnesses the murder of his client by her husband, but there's no proof the killing took place. Castle and Beckett look for the answers to expose the truth.
Castle and Beckett's unsuccessful meet-the-parents dinner leaves them arguing, even as they must head out to recover a murder witness. A surprise attack leaves them and the witness on the run without a phone or a gun. The two must find a way to keep the witness safe, if they don't kill each other first.moreless
Castle and Beckett investigate the death of a mean high school girl at one of Castle's alma maters. Castle is thrilled when he discovers that it might be the work of a teenage telekinetic.
Castle and Beckett pose as newlyweds at an Old West-style resort to discover the truth about a murder victim.
Castle and Beckett investigate an Internet star's murder and find photos of the crime posted online by the killer, leading them to believe they're dealing with a social-media sociopath who may be looking for more victims.
An art thief steals a rare painting and kills the person transporting it, so Castle and Beckett team up with the key witness in order to find the culprit.
Investigating the death of a Wall Street trader leads Castle and Beckett to discover that the victim was an undercover informant for the U.S. Attorney’s office. To make matters worse, the U.S. attorney involved is Captain Gates' estranged sister.
The shooting death of a young woman points to Ryan's stolen gun as the murder weapon - the gun stolen earlier by serial killer 3XK. Now Castle and Beckett are up against the clock to track down 3XK before he kills again.
While Beckett and her team investigate the murder of a young telenovela actress, Castle is hired by the show's star to follow the case from a different angle.
Primate research, big game hunting and Bigfoot all play into the investigation, when Castle and Beckett hunt for a murderer who left giant footprints at the scene.
Castle and Beckett find themselves shut out of a crime scene by Homeland Security. Things get complicated when they discover that the victim, a government whistle-blower, was killed by a military drone's missile.
Beckett and Castle investigate the murder of personal-injury attorney Richie "The Pitbull" Falco by looking into his clients and competitors, but it's a shocking secret they uncover that may be the link to his murder.
Castle and Beckett investigate the murder of rock star on the rise, in which the body is found like a scene from her latest music video.
Castle's convinced a "Da Vinci Code" type conspiracy is at play when strange symbols and a mysterious monk are involved in the bizarre murder of a young woman. Elsewhere, Alexis and Pi move in together.
Ryan's assignment as part of a congressman's security detail at a charity event puts him in the middle of an assassination plot. Castle and Beckett help him re-examine the events leading up to the shooting to apprehend the killer.
Beckett has an interview with a federal law enforcement agency which compels her to reassess her job and her relationship with Castle. The latest case involves skid row and turns up many peculiar things about the death of a young woman found inside a water tank there.
Castle and Beckett's investigation into the shooting death of an ER physician leads them to a Mafia family run by an old friend of Castle's. Esposito and Lanie reach a defining moment in their relationship.
A psychiatric inmate escapes and drops dead in Castle's PI office, and the investigation that follows has Castle surmising the Antichrist could be involved.
When Castle's novel "Heat Wave" is turned into a movie, actress Natalie Rhodes, shows up at Beckett's invitation to better understand the character she's going to play. Meanwhile, the threesome investigate the murder of a high-class matchmaker.
Time is running out as Castle and Beckett race to find "Linchpin" in order to prevent an event that could plunge the country into war. (Part 2 of 2)
Beckett and Castle look for the killer of a famous psychic while debating whether extrasensory abilities are real or not. When a letter arrives from the victim predicting her death they must determine who actually wrote the letter – the victim or the killer.
A half-naked woman is found in a park hanging by bondage cuffs and covered in caramel sauce. It's off to the underground world of sexual domination for Castle and Beckett to look for the killer.
Castle and Beckett investigate the murder of a rising pop diva. As they look into her out-of-control partying lifestyle, a shocking eye-opener endangers their investigation.
Castle and Beckett are after a murder suspect who's roaming the city in a Superhero costume. They think he's behind the killing of an ex-con, but it's a race to identify and catch him before he kills again.
Det. Slaughter returns seeking Castle's help in a robbery case. However, Slaughter becomes a suspect when the heist case turns into a murder case, and Castle's unsure about whether his pal is innocent or guilty.
A city inspector cheats death twice when he survives poisoning and electrocution attempts on his life, and a curious Castle and Beckett grow determined to solve this mysterious case.
Castle and Beckett investigate the murder of a dockworker turned bar owner whose body is found floating in the East River. In the process of the investigation they uncover a secret buried since the days of Prohibition.
Castle's jealousy surfaces when Beckett is assigned as private protection for charming billionaire Erik Vaughn.
Castle takes the stand as the key witness in a murder trial, but then new info emerges late in the case, leading him and Beckett to rush to prevent a miscarriage of justice.
His relationship with Beckett strained, Castle teams up with Detective Ethan Slaughter from the city's gang unit. But Slaughter's kind of police work could put Castle in real danger.
Castle and Beckett must work together with Agent Fallon to prevent a momentous tragic event that could affect the entire city.
When Beckett travels to L.A. against orders, with Castle, to solve the murder of her ex-partner, Castle questions her motives. Meanwhile, they get to meet the actors who will be portraying Esposito and Ryan in the film adaptation of Castle's first novel 'Heat Wave'.
While doing some investigative work at a New York mansion, a prominent ghost hunter is murdered. Castle and Beckett must figure out if paranormal activities are to blame.
A popular reality TV star is the key to an investigation involving the death of a world-renowned dog whisperer. A famous therapist is contacted after the team discovers that one of her clients was a witness to the murder.
Castle and Beckett work the murder case of a famed relationship therapist. While it first appears that client secrets may have been the motivating factor, a rare valuable object discovered in the victim's possession makes the case much more complicated.
Castle and Beckett delve in the world of extreme sports after a professional skateboarder is gunned down.
Castle and Beckett work together to solve the murder of a nanny found dead spinning in the dryer of an upscale New York apartment building's laundry room.
The investigation of the death of a ladies' man causes problems on Ryan's wedding day.
When the founder of a hit adult video franchise is murdered, the number of suspects with a motive provides a long list for Castle and Beckett to pursue. Castle isn't happy about the details being made public in Alexis' personal video blog.
Hayley helps an old pal, but this favor gets her in trouble, linking her to a murder and a cyber-terror attack. She then needs help herself, so Castle and Beckett attempt to clear her name.
Castle and Beckett discover that the killer of a pool shark may have psychic powers as they hunt for the "invisible man". Castle and Beckett make an effort to get their lives back to normal.
Castle and Beckett embark on a search for Aladdin's lamp after a man linked to smuggling Turkish antiques is killed.
The son of a once wealthy family is found dead in Central Park. As Castle and Beckett are working on the investigation his friends are trying to stop them. Castle isn't sure he can trust Martha to be left alone while he chaperones Alexis' class on a field trip to Washington DC.moreless
Castle appears on a late-night talk show to promote his new book, Heat Wave. During a commercial break the host, Bobby Mann, whispers to Castle, "They want me dead." The next day he is found dead of natural causes and it's up to Castle to convince Beckett to investigate the case as a murder. Meanwhile, Castle is seduced by Ellie, the guest star to appear on the show the night he died.moreless
As the rest of team looks into the death of a toy company's CEO, Castle starts his own investigation after finding a lead in his mysterious disappearance.
Castle and Beckett investigate the murder of a young mathematician killed with a 200-year-old bullet, this makes Castle's imagination roll giving out some crazy ideas about a time-travel killer.
A dynamic restaurateur, finds herself mixed up in the murder investigation of a former contestant in a reality TV show called Kitchen Wars. The restaurateur is a high school friend of Beckett's and she shares an attraction to Castle. Meanwhile, Beckett's relationship with Demming continues to grow.
Castle and Beckett investigate the murder of an NYC subway worker found shot in Central Park. But, while investigating the murder they uncover the abduction of a young boy as well. The team must determine the motives behind the high stakes kidnapping in order to save the young boy's life.
When a juror dies in the middle of a murder trial, Castle and Beckett discover that the juror wasn't really as perfect as he appeared to be.
When a reporter is found dead inside a restaurant's pizza oven, Beckett and Castle go to work on solving the case. They must figure out if his story "The Pizza Wars" is what got him killed or if there's something more to the story.
Castle and Beckett investigate the murder of a lottery winner, leaving them with plenty of suspects to look into. Meanwhile, Martha inherits money she feels she doesn't deserve.
Castle and Beckett will cross paths with the former Yankees skipper, Joe Torre while investigating the murder of a baseball star found dead after a trip to Cuba. Meanwhile, Alexis has a genealogy project that makes Castle consider the identity of his unknown father.
Castle and Beckett investigate the axe murder of the head writer for a long time New York soap opera. Everyone is suspect when it's discovered that the action behind the scenes plays out as good as the on-air story lines. Castle uses his writer's skills to figure out who's the killer.moreless
An "Officer Down" call turns out to be a male stripper dressed like a cop. Castle and Beckett explore the world of male strip clubs and struggling actors, all people in pursuit of fame. They need to determine if the murder was because of the victim's dreams of stardom or something more sinister.moreless
While Castle and Beckett team up with a hot-shot detective from Hong Kong to investigate a man murdered in the park, Beckett realizes that neither her Hong Kong colleague nor the victim may be quite who they seem.
A seductive con man is killed, and the investigation has Castle and Beckett questioning New York City's upper crust. Meanwhile, Castle has a surprise in store for his and Beckett's one-year anniversary as husband and wife.
Castle returns to Los Angeles in search of info about the missing time related to his abduction, and while he's there, the Greatest Detective Society reaches out to him and asks for his assistance in solving a murder.
A Russian diplomat's son is killed, leading Castle and Beckett to learn about international crime and foreign politics as Castle is tasked with keeping a Russian security officer busy.
When a reality dance competitor is found dead in her dressing room, Castle and Beckett find that the scandalous secret she was keeping may have led to her death.
In the sixth-season finale, Castle and Beckett prepare for their wedding. However, an unwelcome surprise may ruin things, so they embark on a zany adventure, encountering masked men and mad bikers along the way.
The team head to the NYPD Academy for an investigation involving a murdered recruit. Meanwhile, Castle grapples with a decision with far-reaching ramifications for himself and Beckett.
A student learning to speak English is killed and his classmates keep mum when questioned by police, so Castle goes undercover to gain info on the victim by enrolling in the class as a French Canadian immigrant.
Castle gets abducted and must solve puzzles and mind games with a group of strangers. Meanwhile, Beckett and her colleagues race against the clock to find Castle and capture a killer.
Beckett and Castle's investigation into the death of an up and coming DJ forces them to deal with the rough world of the music industry. As the investigation proceeds, Esposito takes a problematic teenager under his wing.
Castle and Beckett are motivated to be wed after a murder investigation dispatches Castle into an alternate universe where he's never met Kate, Ryan or Javier.
After the star of Castle’s favorite ‘80s action movie is inexplicably murdered, he and Beckett investigate the victim's secret past with help from a team of aging action heroes.
The season 7 premiere picks up right where last season's finale left off. As Castle was driving to his wedding a black SUV came roaring at him. Beckett is worried when Castle doesn't show up but soon she is called to an accident scene where Castle's car is engulfed in flames. Now Beckett must find who or what caused the crash and determine if Castle could have survived.moreless
Castle and Beckett make their way through the glitzy world of high fashion to find who killed a magazine editor's assistant. Access to a very special wedding surprise is provided to Beckett.
When an astronaut in a Mars simulation is killed, Castle and Beckett don spacesuits and enter the simulation to investigate. Much to their surprise, it seems no one inside and no one outside could have committed the murder.
A wealthy museum patron is a suspect when a valuable sculpture is stolen. Castle and Beckett investigate the theft with the help of an insurance investigator who sets her sights on Castle.
Castle and Beckett investigate the murder of Miss Illinois, a contestant in a beauty pageant, who was found strangled during the rehearsal for "Baron's All-American Beauty Pageant." As the investigation goes on, they find out that several people had motive to kill the victim.
Castle and Beckett investigate the murder of the owner of a historic magic shop found dead in a Houdini's water torture tank. Meanwhile, Lanie and Esposito are trying to keep their relationship secret and Castle ends his relationship with Gina.
Castle and Beckett must solve the murder of a champion swimmer who had a shot at the Olympics. They need to sort through all the secrets they uncover to find what led to his death. Meanwhile, Castle's poker buddies offer their views on the case.
In the series finale, lives are endangered unexpectedly when Castle and Beckett prepare to take on LokSat.
A murder scene complete with lots of blood but no victim and high tech life-extension science are all part of the investigation as Castle and Beckett try to solve a murder without a body. Meanwhile, Alexis waits to hear news about her application to Stanford.
A hermit-like author idolized by Castle is killed, and Castle resolves to solve the murder.
Castle and Beckett are called in to investigate the death of Sid Ross, the powerful creator of the long-running sketch comedy show "Saturday Night Tonight". As they delve into Sid's life and his show, they discover a shocking secret that may explain his murder.
A movie star who transitioned to theater work is killed, so Castle and Becket go behind the scenes to investigate what was going on in the actor's life.
Beckett must decide whether to take the high profile job in DC and what to say to Castle about his marriage proposal. Both must deal with the consequences of their decisions when they are plunged into a high-stakes investigation. Federal investigator Rachel McCord plays a central role in how Beckett decides what to do about her future.moreless
Since passing her Captain's exam and the offer to run for State Senate, Beckett and Castle are adjusting to her career change. A call from a mysterious stranger sets off an unpredictable chain of events.
An entertainer on a cruise ship is killed, and Castle and Beckett investigate while trapped on the ship with the murderer.
The murder investigation of an Atlantic City casino owner leads to clues in two cities. While Beckett and Gates stay behind in New York City, Castle and the other detectives head to the East coast version of "America's Playground" to work the case and throw a spontaneous bachelor party for Ryan.moreless
A dead British model has Castle and Beckett working with D.I. Colin Hunt from Scotland Yard. While investigating, they become suspicious about the activities of the British Consulate's Deputy General. Lanie persuades Beckett that she needs to make a move on Castle, sooner rather than later.
When a rock star is murdered, the documentary crew filming the band continue on by following Beckett and Castle as they investigate.
A recurring dream helps Castle and Beckett discern clues about his two month disappearance but their search has deadly consequences.
Castle goes undercover as a professor after a college fraternity student is killed in a grisly manner. During the investigation, he and Beckett unearth some sinister secrets the university wants to keep suppressed.
Castle and Beckett investigate the murder of the lead detective on Beckett's mother's homicide case.
In the conclusion of the eighth-season opener, Beckett's disappearance is examined from her angle as she fights to stay alive and uncover who wants to see her demise.