Episodes
Episode: 8x01 | Airdate: Sep 21, 2015 (60 min)
After passing the Captain's exam in the Season 7 finale, Beckett was surprised with an offer to run for State Senate. In the action packed season premiere, Castle and Beckett are adjusting to Beckett's career change, when a call from a mysterious stranger sets off an explosive chain of events. There are two sides to every story, and this unique two-parter will explore the same story from each of their perspectives, first from Castle's side as he searches for Beckett.
Episode: 8x02 | Airdate: Sep 28, 2015 (60 min)
In part two of last week's Season 8 premiere, Beckett's side of her abrupt disappearance is revealed. After receiving a mysterious tip from her past, Beckett is launched into a fight for her life, with a team of mercenaries hot on her trail. While Castle investigates why his wife is on the run, Beckett must figure out who wants her dead, before they can finish the job.
Episode: 8x03 | Airdate: Oct 5, 2015 (60 min)
When the body of a local college fraternity student is found gruesomely murdered, Castle has to go undercover as a professor in order to gain access to the victim's world. However, he and Beckett soon discover that behind the fun and games of college are some darker secrets the university wants to keep hidden.
Episode: 8x04 | Airdate: Oct 12, 2015 (60 min)
When Castle's idol, a famously reclusive author, turns up dead, Castle is determined to solve his hero's murder. But as he and Beckett dig deeper, they discover that truth is stranger than fiction.
Episode: 8x05 | Airdate: Oct 19, 2015 (60 min)
When a priceless work of art is stolen and its transporter murdered, Castle and Beckett must work with the key witness to track down the painting and sniff out the killer.
Episode: 8x06 | Airdate: Nov 9, 2015 (60 min)
Detective Slaughter returns to enlist Castle's help in solving a high-stakes robbery case. But when a body is found linked to the crime, Slaughter becomes the number one suspect in the heist turned murder, while Castle has to determine whether he's guilty or help to prove he's innocent.
Episode: 8x07 | Airdate: Nov 16, 2015 (60 min)
In order to hunt down the brutal murderer of a grifting seducer, Castle & Beckett must investigate New York's elite. Meanwhile, Castle plans to surprise Beckett on their one-year wedding anniversary.
Episode: 8x08 | Airdate: Nov 23, 2015 (60 min)
Castle and Beckett investigate the murder of a cruise ship entertainer, only to find themselves trapped at sea with the killer.
Episode: 8x09 | Airdate: Feb 8, 2016 (60 min)
When a body is found in the theater of Martha's latest show, Castle and Beckett's investigation leads them into the unexpectedly dangerous world of competitive a capella.
Episode: 8x10 | Airdate: Feb 14, 2016 (60 min)
Castle finally gets his day in court when he takes the stand as the key witness to a murder from five months ago. But when new information suddenly arises, he and Beckett must race against the clock to prevent a miscarriage of justice.
Episode: 8x11 | Airdate: Feb 15, 2016 (60 min)
The son of a Russian diplomat is murdered; during the investigation, Castle entertains a jovial Russian security guard, who turns out to be more involved in the case than expected.
Episode: 8x12 | Airdate: Feb 22, 2016 (60 min)
Castle is abducted and forced to solve deranged puzzles and mind games with strangers; Beckett and the 12th precinct race to save Castle.
Episode: 8x13 | Airdate: Feb 29, 2016 (60 min)
Beckett and the 12th Precinct look into the murder of an English as a Second Langue student. But when the victim's class won't talk to the police, Castle goes undercover as a French Canadian immigrant and learns that the victim was more than he seemed.
Episode: 8x14 | Airdate: Mar 7, 2016 (60 min)
Castle returns to the City of Angels in search of answers about his missing time. But things take a deadly turn when he's recruited by the legendary Greatest Detective Society to help solve a murder.
Episode: 8x15 | Airdate: Mar 21, 2016 (60 min)
When a recruit officer at the NYPD Academy is killed, Beckett and the team go back to their old training ground to investigate. Meanwhile, Castle must reckon with a decision with profound consequences for him and Beckett.
Episode: 8x16 | Airdate: Apr 4, 2016 (60 min)
A clue at the scene of the death of an armored-car driver leads Beckett and Castle back to an old case solved by Esposito. But complications arise when they learn that Esposito might not have been telling them everything about his past with the culprit.
Episode: 8x17 | Airdate: Apr 11, 2016 (60 min)
The murder of a man connected to smuggling Turkish relics sends Castle, Beckett and the 12th Precinct on a search for a stolen antique believed to be Aladdin's lamp, in hopes that it can lead them to the killer.
Episode: 8x18 | Airdate: Apr 18, 2016 (60 min)
When Hayley finds herself being implicated in a cyber-terror attack after doing an old friend a favor, Castle and Beckett rush to clear her name.
Episode: 8x19 | Airdate: Apr 25, 2016 (60 min)
When a mild mannered safety inspector for the city miraculously survives a poisoning, it might be luck; but when he survives another, it's a mystery Castle and Beckett will have to solve.
Episode: 8x20 | Airdate: May 2, 2016 (60 min)
After a movie star turned theater actor is mysteriously killed, Castle and Beckett go backstage and learn the star had more to worry about than just his lines.
Episode: 8x21 | Airdate: May 9, 2016 (60 min)
When an axe-wielding, escaped psychiatric inmate drops dead in Castle's P.I. office, Castle and Beckett's investigation leads Castle to suspect the victim's death could be the work of the Antichrist,
Episode: 8x22 | Airdate: May 16, 2016 (60 min)
With their best lead in hand, Castle and Beckett are ready to take on LokSat. But an unforeseen twist puts their case – and their lives – in jeopardy.
