Castle

When Castle and Beckett investigate the murder of a man with human bite marks on his body, Castle's wild theories start flying. But none are as wild as what their only witness insists happened — a Zombie attack. As the evidence pointing towards an undead assailant piles up, the team plunges into New York's Zombie subculture to find the killer and bring him in — dead, undead or alive.

With tensions rising between Castle and Beckett, Castle finds himself a new partner — Detective Ethan Slaughter (guest star Adam Baldwin, Firefly), a tough and colorful cop from the city's gang unit. But Castle gets more than he bargained for when Slaughter shows him a grittier side of police work that puts Castle in the line of fire like never before.

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. Also, Castle and Beckett suspect Nigel Winthrop, the Deputy General at the British Consulate, is up to more than just ambassadorial balls and diplomatic luncheons. Meanwhile, Lanie convinces Beckett that she needs to make a move on Castle before it is too late.

When a bomb explodes at a protest rally killing five people, Castle and Beckett realize the key to solving the case is to reconstruct the 47 seconds prior to the explosion. Using video and witness accounts, they uncover the shocking truth about who planted the bomb. Christine Woods (Perfect Couples) and Tim Guinee (The Good Wife) guest star.

When Odette Morton, a contestant on the hit competition show A Night of Dance, 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. But as they delve into Odette's past, they discover that this reality starlet was harboring a shocking secret that may have led to her death.

When a woman dressed as Red Riding Hood is found dead in the woods with claw marks covering her body, and soon after a murdered Snow White is discovered with a poison apple in her hand, Castle and Beckett find themselves on a Grimm hunt to catch a fairytale killer before he kills again. But nothing is as it seems in a case filled with deceit, betrayal, secrets, and murder.

In the explosive conclusion of a two-part story arc that began with "Pandora," 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. In the episode, Jennifer Beals (The Chicago Code, Flashdance) continues as Sophia Conrad — a smart, commanding, and sexy CIA operative who was Castle's inspiration for Clara Strike in the Derrick Storm series of books — and Josh Stamberg (Drop Dead Diva) is back as intelligence officer Martin Danberg.

In the first episode of a two-part Castle event, Castle and Beckett pursue a ruthless killer who, they discover, is part of a sinister, international conspiracy. Castle and Beckett are joined on the case by Sophia Conrad (guest star Jennifer Beals, The Chicago Code, Flashdance), a smart, sexy CIA operative who has a complicated past with Castle. Josh Stamberg, Drop Dead Diva also guest stars as Martin Danberg, an intelligence officer.

When Castle and Beckett investigate the killing of a treasure hunter, they discover the case is linked to a mysterious homicide from 1947 involving a hard-boiled private detective. Castle realizes the only way to solve the present-day murder is to solve the murder from the past. The 1947 case comes to life through stylized flashbacks, featuring Castle as the private eye and Beckett as a femme fatale.

When a famous dog trainer is killed, the investigation keeps coming back to charismatic reality TV star Kay Cappuccio (guest star Hilarie Burton, White Collar). 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?

Justin Hartley (Smallville) guest stars as Reggie Starr, Kay's boyfriend, and Nana Visitor (Star Trek: Deep Space Nine) plays Dr. Patty Barker, an eminent therapist whose talents are called upon when it's discovered that one of her clients witnessed the murder.

Derek Webster (Desperate Housewives, Damages) guest stars as Mayor Robert Weldon, Castle’s longtime friend and the Mayor of New York City. It was Mayor Weldon’s political clout that allowed Castle to partner up with Beckett. But now a woman is found dead in a car that traces back to the mayor’s motor pool, and that partnership comes under fire as the scandal surrounding the investigation threatens to bring down Weldon’s administration.

- Watch the sneak peek for Castle Season 4, Episode 12: "Dial M for Mayor" here!

- Read our "Dial M For Mayor" recap here!

When a lothario is killed, Castle and Beckett suspect that the victim’s mysterious double life holds the key to his murder. Their investigation leads to a shocking twist that threatens to disrupt Ryan’s wedding with Jenny (Seamus Dever’s real-life wife, Juliana Dever, guest stars).

- Read Wetpaint Entertainment's recap of the episode here!

- Check out Seamus Dever's behind-the-scenes tweets from this episode!

When Castle and Beckett wake up in bed, handcuffed together, in a locked room with no memory of how they got there, they must piece together the mystery of where they are and why, all while trying to escape.

But as the two of them adjust to being shackled together, what's the biggest threat they face ... the people who abducted them or each other?

Meanwhile, Ryan, Esposito and Gates are left to investigate their disappearance in a case where all is not what it seems

• Read our Castle episode recap for "Cuffed" here!
• Castle quotes from Season 4, Episode 10, "Cuffed"

A sniper on a killing spree is terrorizing New York City. With the clock ticking down to the next murder and nothing to go on except a killer with no apparent motive but to instill terror, this could prove the team's toughest case yet.

The hunt is made even more complicated when Beckett begins to experience increasingly strong moments of PTSD — moments she tries hard to hide from Castle and the detectives

During the investigation of the murder of an Atlantic City casino owner at an abandoned warehouse, strong leads emerge for the team in both New York and Atlantic City. As Beckett and Capt. Gates work the New York leads together, Castle naturally chooses to join the detectives for the road trip to "America's Playground," hoping to help solve the case while throwing an impromptu bachelor party for Ryan. Richard Burgi guest stars as Charlie Turner, the slick business partner of the victim

When Castle and Martha are taken hostage by a crew of bank robbers dressed in hospital scrubs and using classic television doctor names (Trapper John M.D., Dr. Huxtable, Dr. Quinn Medicine Woman and Dr. Doogie Howser), Beckett finds herself on the outside, desperately trying to rescue them — which proves to be even more difficult with a by-the-book hostage negotiator (guest star Dean Norris) watching her every move. Castle becomes the de facto leader of the hostages, which includes Barry Livingston and discovers that the robbery is actually a skillfully orchestrated distraction for an even more sinister plan. But with Castle stuck on the inside and Beckett on the outside, will either be able to foil the bank robbers' plans before it is too late?

Castle and Beckett confront the possibility of paranormal foul play when a world renown ghost hunter is mysteriously murdered while investigating a haunting at a legendary New York mansion.

Castle and Beckett work a murder case around the theft of a valuable sculpture. Kristin Lehman (The Killing) guest stars as Serena Kaye, a smart, sexy insurance investigator, who joins Castle and Beckett in the investigation, but she also has her eyes set on Castle, all the while hiding a very important secret from the team. Jessica Tuck (True Blood) also guest stars as Joy McHugh, a wealthy museum benefactor who becomes a suspect in the murder investigation.

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 Det. Ryan's old service weapon — the one that was stolen by the serial killer, 3XK. Now with the clock ticking, the team must work to solve the murder, track down 3XK and retrieve Ryan's gun before the killer strikes again

Gunshots, a fleeing van and a massive blood pool all point to murder, but when Castle and Beckett arrive at the crime scene, they discover that it lacks something - the victim! The investigation leads to the cutting-edge world of life-extension science, a cunning high-tech researcher (guest star William Atherton), and a sleazy porn mogul who invested in a modern-day "fountain of youth." Meanwhile, Alexis finds out whether she got into Stanford. Read the full recap here.

When an ex-con is mysteriously slain in an alley, Castle and Beckett believe a vigilante is behind the murder. But efforts to identify their suspect are thwarted when they discover that he roams the city in a Superhero costume — and may indeed be a Superhero. Can they capture and unmask the killer before he strikes again? Read the full recap here.

In a riveting opening that picks up just moments after last season's climactic finale, 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. Read the full recap here.

Kate Beckett's investigation into her mother's death is reactivated when Hal Lockwood (guest star Max Martini) - a professional hitman with knowledge of Beckett's mother's murder - stages a spectacular escape during a court hearing. As police launch a manhunt for Lockwood, Castle and the team uncover evidence of a deeper conspiracy involving a mysterious figure with law enforcement connections who is linked to both Lockwood's escape and the killing of Johanna Beckett. The search for Lockwood and the quest to identify his co-conspirator leads to a shocking and deadly conclusion, on the Season Finale of Castle. Read the full recap here.

During rehearsal for "Baron's All-American Beauty Pageant," the contestants are shocked to discover the body of Miss Illinois - strangled, but by whom? As Castle and Beckett delve into the cut-throat competition of the pageant world, they learn that a number suspects had motive for murder, including jealous fellow contestants, the pageant's larger-than-life millionaire sponsor, Victor Baron (Michael McKean), and the show's host -- hedonistic TV personality, Bobby Stark (Sasha Roiz). Read the full recap here.

While investigating the shooting death of her ex-partner in New York, Beckett comes to believe the suspect has fled to Los Angeles. Against orders, she travels to L.A., going renegade to track down the killer, with Castle unexpectedly along for the ride. As they dig deeper into the motives, they uncover a trail that leads from a rooftop pool in Hollywood to the sandy beach of Santa Monica. Along the way, they visit the set of the "Heat Wave" movie (based on Castle's book) and enlist the cast to help break the case. But as they get closer to apprehending the killer, Castle begins to wonder whether Beckett is out for justice -- or revenge. Read the full recap here.

When a champion swimmer and Olympic hopeful is found dead in a training pool, Castle and Beckett dive in to investigate his murder, and uncover myriad secrets that might have led to his death. Also in the episode, crime fiction authors Michael Connelly and Dennis Lehane guest star, offering Castle their insights into the case over a game of poker. Read the full recap here.

Castle and Beckett work the case of a man found dead inside a pizza oven, but it turns out not to be someone associated with the restaurant - it was a reporter. Was his story, "The Pizza Wars," enough to get him killed, or was it something much deeper than that? Read the full recap here.

Beckett meets with the retired detective who handled her mom's homicide case, but he is killed right before he can tell her anything. The subsequent probe leads to a decades-old conspiracy that may reveal who murdered Beckett's mother. All the drama leads up to the big Castle and Beckett kiss! Original air date: January 24, 2011. Read the full recap here.

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. When Castle and Beckett learn that the victim was a doctor at County Hospital, their investigation takes them into the world of amorous, bed-hopping physicians. Did jealousy turn to murder, or did the doctor’s mysterious work outside the hospital lead to her demise? Also, Castle's relationship with ex-wife Gina is challenged when she tries to bond with Alexis. Read the full recap here.

Castle and Beckett investigate the murder of a famous physic with very good psychic powers research abilities. The pair debate the possibility of communicating with the dead, the existence of extrasensory skills, and who's the better crime solver. 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? And as he comforts his mother after a lost relationship, Castle's more sensitive side comes out, as does his birth name: Richard Alexander Rodgers. Read the full recap here.

The premiere of Season 3 launched with a cliffhanger and backtracked to three days earlier. 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 cutout of him advertising an upcoming book signing. So when Beckett and her team burst into a shadowy apartment on the trail of a murderer, the last thing they expect to see is the real-life Castle standing over a dead woman's body holding a gun. As Castle protests his innocence, Beckett has no choice but to arrest him on suspicion of murder. It's an episode filled with burlesque dancers, chemistry teachers and vending machines as Beckett and Castle form a tentative alliance to solve a triple-homicide. But once the murders are solved, will Castle and Beckett reunite to solve cases or go their separate ways? Read the full episode recap here.