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Richard Castle is Skynet's target by TFALokiwriter
A story in which Richard Castle is the target of a T-1000 sent from Skynet to Terminate him, however, he thankfully has T-11 for some help.
Crossover - Terminator & Castle - Rated: T - English - Chapters: 11 - Words: 5,616 - Published: 14h - OC, Rick C., Kate B., Alexis C. - Complete
Not Your Average Case by superwhofilesjackson reviews
While on a hunt, the Winchesters meet (more like have an unpleasant encounter) Beckett and team. For supernatural, it takes place in season 5, and for castle, some where in season 4. rated T for safety. *my summaries suck. just read the story!*
Crossover - Supernatural & Castle - Rated: T - English - Supernatural - Chapters: 4 - Words: 6,946 - Reviews: 1 - Favs: 4 - Follows: 7 - Updated: 8/3 - Published: 7/21 - Sam W., Dean W., Rick C., Kate B.
The Haunt in the House by F.r.i.e.n.d.s. A.d.d.i.c.t.96 reviews
Halloween is the scariest time of year and the time when the craziest crimes happen. So when Beckett and Castle get a case they're not used to, Booth and Brennan are called in to help solve the case.
Crossover - Bones & Castle - Rated: K+ - English - Suspense/Drama - Chapters: 1 - Words: 826 - Reviews: 1 - Favs: 1 - Follows: 4 - Published: 8/2 - T. Brennan, S. Booth, Kate B., Rick C.
World's Greatest Detective: Genesis by Katrina Castillo reviews
It's been three years since the Batman first appeared to protect Manhattan, and he's grown a reputation within both the criminal underground and the legal system. Richard Castle, the man behind the mask, has started to feel the burden of living a double life. But when he crosses paths with Det. Beckett, he finds a new muse and begins to see just what the NYPD is capable of.
Crossover - Batman Begins/Dark Knight & Castle - Rated: T - English - Crime/Drama - Chapters: 11 - Words: 32,888 - Reviews: 57 - Favs: 31 - Follows: 39 - Updated: 8/2 - Published: 8/2/2014 - Rick C., Kate B., Alexis C., Roy M.
Conversations in a Bookshop by T-man626 reviews
While visiting Colorado Springs, Kate stumbles into a lovely little shop run by some familiar faces.
Crossover - Castle & Warehouse 13 - Rated: K - English - Friendship - Chapters: 1 - Words: 2,012 - Reviews: 3 - Favs: 1 - Follows: 3 - Published: 8/1 - Kate B., Myka B., Helena G. W. - Complete
Richard Castle and the Time Displacement Field by TFALokiwriter
Richard Castle has everything; Beckett, his career, and family. But what if he can gain more by one simple incident? Maybe not but it may give him memories he will never forget coming into contact with The Resistance and John Connor himself. This is about Richard Castle and the Time Displacement Field.
Crossover - Terminator & Castle - Rated: T - English - Humor/Sci-Fi - Chapters: 8 - Words: 3,954 - Published: 7/31 - John Connor, OC, Rick C. - Complete
Once Upon A Castle by 3detectives1writer reviews
When Castle and Beckett catch an odd case, Castle finds a story book that leads them to Storybrooke. Set in Season 3 Castle and Season 4 of OUAT. (Fic cover edited by myself)
Crossover - Castle & Once Upon a Time - Rated: T - English - Mystery/Fantasy - Chapters: 19 - Words: 28,664 - Reviews: 53 - Favs: 32 - Follows: 65 - Updated: 7/29 - Published: 11/6/2014 - [Kate B., Rick C.] Emma S., Henry Mills
Not Just a Cop by J.D. Cunegan reviews
Kate Beckett is one of the NYPD's brightest homicide detectives, but she also harbors a dark secret - one that not even she was aware of until recently. She leads a double life of sorts, subjecting herself to horrors and conspiracies unlike anything else in the world. And once she saves bestselling author Richard Castle from certain death, things get even hairier.
Crossover - Buffy: The Vampire Slayer & Castle - Rated: T - English - Supernatural/Mystery - Chapters: 22 - Words: 54,006 - Reviews: 63 - Favs: 27 - Follows: 61 - Updated: 7/29 - Published: 1/29 - Angel, Faith L., Rick C., Kate B.
Age of Miracles by Laura Picken reviews
The Guardians, the Avengers, and a 'few' of their friends and allies go to war against HYDRA and end up scouring the far reaches of the galaxy to protect the six Infinity Stones. AU to Avengers 2 and Season 2 of Agents of SHIELD.
Crossover - Castle & Avengers - Rated: T - English - Adventure/Fantasy - Chapters: 34 - Words: 63,703 - Reviews: 65 - Favs: 26 - Follows: 43 - Updated: 7/25 - Published: 4/16/2014 - Rick C., Kate B., Captain America/Steve R., Agent Phil Coulson
A Whole New World Of Death by smartgirl13579 reviews
It's just a normal day in the 12th precinct... and suddenly the supernatural is sitting in the interrogation room. When Nico and his friends crash NYPD headquarters, Esposito seems to know them. Then he walks into a wall and disappears. Instantly, the detectives are thrown into a mystery that they don't know they can solve. AU.
Crossover - Percy Jackson and the Olympians & Castle - Rated: K - English - Supernatural/Mystery - Chapters: 3 - Words: 4,676 - Reviews: 6 - Favs: 2 - Follows: 7 - Updated: 7/23 - Published: 4/19
Manehattan Takes Rarity by EqualisE reviews
A white unicorn lay upon the heaps of waste, clothed in a gorgeous red dress. Although her indigo mane and attire were disfigured, she still seemed royal, almost like an Alicorn princess—if not for the two gaping holes in her chest and the darkened blood smeared on her legs and hooves. It's up to Beckett and Castle to solve the case. (Set in Season 3 of both shows.)
Crossover - My Little Pony & Castle - Rated: T - English - Crime/Adventure - Chapters: 8 - Words: 24,277 - Reviews: 1 - Favs: 3 - Follows: 3 - Updated: 7/17 - Published: 3/24 - Rarity, Princess Luna/Nightmare Moon, Rick C., Kate B. - Complete
Paths Crossed by CrimeShowFanatic reviews
It's been two years since Ziva left. Since then, Tony hasn't been himself. What will he do when he finds out she's in New York living with the one and only Richard Castle. Little does he know she has a surprise for him.
Crossover - NCIS & Castle - Rated: K+ - English - Crime/Family - Chapters: 13 - Words: 20,136 - Reviews: 27 - Favs: 30 - Follows: 56 - Updated: 7/13 - Published: 5/6/2014 - Tony D., Ziva D., Rick C., Kate B. - Complete
Arc of the Curve by Mountain King reviews
Some people are extraordinary. This can be both a blessing and a curse. For Alexis Castle it's been a secret she's kept all her life, now she's had to reveal that secret and it means that both her and her family learn just how extraordinary people can be.
Crossover - Tomorrow People & Castle - Rated: T - English - Sci-Fi/Supernatural - Chapters: 14 - Words: 44,330 - Reviews: 17 - Favs: 8 - Follows: 17 - Updated: 7/5 - Published: 2/14/2014
Light Wave by RhiStar reviews
Basically the show Castle with Lux. It takes place around the sixth season. It is told with the stories you know from the shows twisted in the new reality. Hope you enjoy it and don't forget to write a review to help me find a path.
Crossover - Castle & Life Unexpected - Rated: K+ - English - Drama/Family - Chapters: 8 - Words: 23,430 - Reviews: 4 - Favs: 10 - Follows: 11 - Updated: 7/3 - Published: 10/8/2014 - Kate B., Rick C., Lux C.
Once upon a castle by GiselleHlv reviews
Regina y Emma y su Roadtrip a Nueva York, un objeto de la cripta de Regina ha desaparecido, pero las cosas se van a torcer para ellas cuando tengan que ir a buscarlo.
Crossover - Castle & Once Upon a Time - Rated: K - Spanish - Mystery/Romance - Chapters: 7 - Words: 14,095 - Reviews: 44 - Favs: 12 - Follows: 17 - Updated: 7/2 - Published: 6/3 - Complete
A Whole New Rulebook by Time-Travelling Llama reviews
I have been watching a lot of Castle lately and I am addicted to Doctor Who and so this happened. When Castle and Beckett lose their case a strange turn of event leaves them stranded with The Doctor. I hope you like it :) and I'm sorry I'm not as good as Castle! :) Also this pre 47 seconds since series five hadn't aired in the UK but now it has :)
Crossover - Doctor Who & Castle - Rated: K - English - Sci-Fi/Adventure - Chapters: 21 - Words: 21,750 - Reviews: 35 - Favs: 23 - Follows: 34 - Updated: 7/1 - Published: 3/7/2013 - 11th Doctor, Jack H., Rick C., Kate B.
Serial Killings That Aren't by Writing Fangirl for hire reviews
Castle and Beckett are investigating what appear to be a series of strange unnatural serial killings. Dean and Cas are investigating the same killings, but they know what's going on. Will the police and the hunter and angel be able to work together to crack this case?
Crossover - Supernatural & Castle - Rated: T - English - Humor/Romance - Chapters: 8 - Words: 8,234 - Reviews: 16 - Favs: 11 - Follows: 20 - Updated: 6/28 - Published: 6/26/2014
Day Four-Teachers Au by Blinded-Kit reviews
Set back when Richard Castle was still teaching English in College. Darcy is also a College teacher and they share an office, every year they compare how many gifts they get.
Crossover - Castle & Thor - Rated: T - English - Chapters: 1 - Words: 554 - Reviews: 3 - Favs: 10 - Follows: 2 - Published: 6/25 - [Rick C., Darcy L.] - Complete
Who Watches the Watchman by Laura Picken reviews
When a woman is framed for a murder that she didn't commit, Matt Murdock and Foggy Nelson get pulled into the world of the Guardians. A Daredevil/Sentinel/Castle crossover, with cameo appearances from the Forever crew. AU Multiverse crossover, if you haven't alread guessed. ;-) Dedicated to my buddy FDWojo! EDITING IN PROGRESS
Crossover - Castle & Daredevil - Rated: T - English - Adventure/Fantasy - Chapters: 14 - Words: 27,721 - Reviews: 21 - Favs: 9 - Follows: 8 - Published: 6/23 - Kate B., V. Gates, Matt M., Foggy N. - Complete
heated hooves by WOLF TITAN
What would happen when Castle and beckett head to bed one night after a long and boring book signing only to wake up in some strange library, and told they needed help solving a muder
Crossover - My Little Pony & Castle - Rated: T - English - Chapters: 2 - Words: 3,448 - Updated: 6/22 - Published: 6/15 - Twilight Sparkle, Rick C., Kate B.
Une petite note à mes lecteurs by Katkitten4
Un petit mot à mes lecteurs...
Crossover - Mentalist & Castle - Rated: K - French - Chapters: 1 - Words: 245 - Published: 6/18 - Complete
Friend in Me by qjhayes11 reviews
One shots of the friendship between Kate Beckett and Jane Rizzoli. Everything from sports rivalries, and hilarious moments to family trouble and fighting for their lives in the ER. In series fun from both Castle and Rizzoli & Isles. Episode Titles for placement.
Crossover - Castle & Rizzoli & Isles - Rated: T - English - Friendship/Family - Chapters: 11 - Words: 48,331 - Reviews: 24 - Favs: 27 - Follows: 42 - Updated: 6/14 - Published: 10/25/2014 - Kate B., J. Rizzoli
Prix du consultant le plus exaspérant by Vivichan10 reviews
OS crossover Jisbon et Caskett assez délirant: Jane et Castle ont gagné à égalité le prix du consultant le plus exaspérant. C'est pourquoi les deux équipes se retrouvent pour une petite croisière qui risque bien d'être intéressante... En effet, Grace à une idée fixe en tête, mettre son patron et Jane ensembles. Y parviendra-t-elle, aidée du reste de ses amis? Enjoy! ;)
Crossover - Mentalist & Castle - Rated: K - French - Humor/Romance - Chapters: 1 - Words: 2,401 - Reviews: 1 - Published: 6/10 - Patrick J., Teresa L., Rick C., Kate B. - Complete
A Case of the Becketts by Lorraine Anderson reviews
Sam Leaps into a mystery author in New York - why is he there? ... Published in "Our Favorite Things # 30", May, 2014. FanQ2014 winner.
Crossover - Quantum Leap & Castle - Rated: K - English - Chapters: 1 - Words: 8,308 - Reviews: 2 - Favs: 1 - Follows: 2 - Published: 6/5 - Sam, Al, Rick C., Kate B. - Complete
The Red Prince by kenziestar reviews
This idea came up while studying the classic play and watching crime stories.One-Shot
Crossover - Castle & Romeo & Juliet - Rated: T - English - Family/Mystery - Chapters: 1 - Words: 1,850 - Reviews: 1 - Favs: 1 - Follows: 1 - Published: 6/4 - Kate B., Lady Capulet, Juliet - Complete
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