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World famous mystery writer Richard Castle finds unexpected inspiration when Detective Kate Beckett questions him about a series of murders that based on his books.
![The Last of Caskett? - Castle](https://tv-fanatic-res.cloudinary.com/iu/s--4FaqhxCp--/t_small_l/cs_srgb,d_tv-fanatic-placeholder-square.png,f_auto,fl_strip_profile.lossy,q_auto:420/v1462223119/the-last-of-caskett-castle.jpg)
On Castle Season 8 Episode 22, Castle and Beckett find their lives in jeopardy as they attempt to take down LokSat for good on the series finale.
![The Antichrist - Castle](https://tv-fanatic-res.cloudinary.com/iu/s--J0D9C44a--/t_small_l/cs_srgb,d_tv-fanatic-placeholder-square.png,f_auto,fl_strip_profile.lossy,q_auto:420/v1461627453/the-antichrist-castle.jpg)
On Castle Season 8 Episode 21, an axe-wielding, escaped inmate turns up dead and theinvestigation leads Castle to suspect it could be the work of the Antichrist.
![Jewel Staite - Castle](https://tv-fanatic-res.cloudinary.com/iu/s--UZppsN1g--/t_small_l/cs_srgb,d_tv-fanatic-placeholder-square.png,f_auto,fl_strip_profile.lossy,q_auto:420/v1461627167/jewel-staite-castle.jpg)
On Castle Season 8 Episode 20, when a movie star turned theater actor is killed, Castle and Beckett learn he had a nefarious reason for choosing Shakespeare.
![Two Murder Attempts - Castle](https://tv-fanatic-res.cloudinary.com/iu/s--CBM7q7Gh--/t_small_l/cs_srgb,d_tv-fanatic-placeholder-square.png,f_auto,fl_strip_profile.lossy,q_auto:420/v1460415821/two-murder-attempts-castle.jpg)
On Castle Season 8 Episode 19, the team at the 12th tries to solve the case when a safety inspector mysteriously survives not one, but two attempts on his life.
![Clearing Hayley - Castle](https://tv-fanatic-res.cloudinary.com/iu/s--vclK03Rj--/t_small_l/cs_srgb,d_tv-fanatic-placeholder-square.png,f_auto,fl_strip_profile.lossy,q_auto:420/v1460415557/clearing-hayley-castle.jpg)
On Castle Season 8 Episode 18, Castle and Beckett rush to clear Hayley's name when she is implicated in a killing and cyber-terror attack after helping a friend.
![The Team Meets at the Hospital - Castle](https://tv-fanatic-res.cloudinary.com/iu/s--sGLhLsNj--/t_small_l/cs_srgb,d_tv-fanatic-placeholder-square.png,f_auto,fl_strip_profile.lossy,q_auto:420/v1459473026/the-team-meets-at-the-hospital-castle.jpg)
On Castle Season 8 Episode 17, when a man who smuggled Turkish relics is killed, the team at the 12th search for a stolen antique believed to be Aladdin’s lamp.
![Esposito's Ex - Castle](https://tv-fanatic-res.cloudinary.com/iu/s--yp_42RbX--/t_small_l/cs_srgb,d_tv-fanatic-placeholder-square.png,f_auto,fl_strip_profile.lossy,q_auto:420/v1459279514/espositos-ex-castle.jpg)
On Castle Season 8 Episode 16, Esposito's past comes back to haunt him when an old romance may be involved with the death of an armored-car driver.
![The Academy - Castle](https://tv-fanatic-res.cloudinary.com/iu/s--eu4RVnSx--/t_small_l/cs_srgb,d_tv-fanatic-placeholder-square.png,f_auto,fl_strip_profile.lossy,q_auto:420/v1458512926/the-academy-castle.jpg)
On Castle Season 8 Episode 15, when an NYPD recruit is murdered, the team heads back to the academy to investigate and Castle struggles with a major decision.
![The Greatest Detective Society - Castle Season 8 Episode 14](https://tv-fanatic-res.cloudinary.com/iu/s--acNzEEGe--/t_small_l/cs_srgb,d_tv-fanatic-placeholder-square.png,f_auto,fl_strip_profile.lossy,q_auto:420/v1456810890/the-greatest-detective-soceity-castle.jpg)
On Castle Season 8 Episode 14, when Castle heads to L.A. to solve his disappearance, he ends up being recruited by the Greatest Detective Society to solve a case.
![The Police Are Stonewalled - Castle](https://tv-fanatic-res.cloudinary.com/iu/s--AJGbj-h5--/t_small_l/cs_srgb,d_tv-fanatic-placeholder-square.png,f_auto,fl_strip_profile.lossy,q_auto:420/v1456335401/the-police-are-stonewalled-castle.jpg)
On Castle Season 8 Episode 13, Castle goes undercover when an English as a Second Language student is murdered and his class won't talk to the police.