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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: 23,298 - Reviews: 4 - Favs: 10 - Follows: 10 - Updated: 14h - 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: 42 - Favs: 10 - Follows: 16 - 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: 19 - 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: 7 - Follows: 1 - Published: 6/25 - [Rick C., Darcy L.] - Complete
Watchmen by Laura Picken reviews
An AU adventure set in my "Guardians of Shangri La" multiverse. 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. :-) Dedicated to my buddy FDWojo!
Crossover - Castle & Daredevil - Rated: T - English - Adventure/Fantasy - Chapters: 14 - Words: 26,931 - Reviews: 20 - Favs: 4 - Follows: 5 - Published: 6/23 - Kate B., V. Gates, Matt M., Foggy N. - Complete
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: 20 - Words: 49,069 - Reviews: 57 - Favs: 26 - Follows: 57 - Updated: 6/23 - Published: 1/29 - Angel, Faith L., Rick C., Kate B.
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
Age of Miracles by Laura Picken reviews
The Guardians, the Avengers, and a 'few' of their friends and allies go to war against HYDRA.
Crossover - Castle & Avengers - Rated: T - English - Adventure/Fantasy - Chapters: 29 - Words: 51,667 - Reviews: 57 - Favs: 25 - Follows: 40 - Updated: 6/16 - Published: 4/16/2014 - Rick C., Kate B., Captain America/Steve R., Agent Phil Coulson
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: 18 - Words: 26,837 - Reviews: 50 - Favs: 30 - Follows: 61 - Updated: 6/16 - Published: 11/6/2014 - [Kate B., Rick C.] Emma S., Henry Mills
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: 25 - Follows: 37 - 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
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 - Published: 6/4 - Kate B., Lady Capulet, Juliet - Complete
Revenge by Mimi18Hr
Teresa Lisbon is put through hell. Someone from her past is coming for her and the people who she loves most. What is going to happen when Kate Beckett's team in New York is leading her case? How will their life continue and will it continue at all?
Crossover - Mentalist & Castle - Rated: T - English - Chapters: 2 - Words: 3,332 - Favs: 1 - Follows: 1 - Updated: 6/3 - Published: 6/2 - Patrick J., Teresa L., Rick C., Kate B.
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: 6 - Words: 19,579 - Reviews: 32 - Favs: 29 - Follows: 33 - Updated: 6/2 - Published: 8/2/2014 - Rick C., Kate B., Alexis C., Roy M.
Close Encounters of the Fourth Kind: Clash Of Worlds by OnkelJo reviews
After settling into my new life in the Castleverse, I thought I could catch my breath. I rarely was so wrong. I have to work with unexpected allies who shouldn't even be here to stop the world we know from unraveling. Just my luck, eh? Castle Winter Hiatus 2014 Ficathon Entry. Castle/Chuck/Eureka. Humorous Self Insert (SI) with actual plot ;) Cover Art by the lovely @dtrekker :)
Crossover - Chuck & Castle - Rated: T - English - Sci-Fi/Humor - Chapters: 11 - Words: 28,255 - Reviews: 10 - Favs: 9 - Follows: 12 - Updated: 5/31 - Published: 12/11/2014 - Chuck B., Alexis C., OC, Rick C.
Speed Trap by ozma914 reviews
Castle's road trip from Atlanta to New York gets sidetracked when Deputy Rick Grimes takes a bite out of crime. Luckily, Castle has an unlikely fan. Written to celebrate the release of my new humor book, "Slightly Off the Mark".
Crossover - Castle & Walking Dead - Rated: K+ - English - Humor - Chapters: 1 - Words: 1,076 - Reviews: 2 - Favs: 2 - Published: 5/29 - Rick C., Alexis C., Rick G., Shane W. - Complete
Dial M for Magic by The Paradigm Shift reviews
A Magical Detective Yue story! Instead of working alone, however, our heroine teams up with the NYPD 12th Precinct Homicide Detectives to solve a puzzling murder involving magic, crime, and politics, all the while trying to hide the existence of mages from the police. Unfortunately, Castle finds out much sooner than Yue had hoped. Hilarity Ensues. T for language, no pairings.
Crossover - Negima! Magister Negi Magi/魔法先生ネギま! & Castle - Rated: T - English - Mystery/Humor - Chapters: 31 - Words: 47,432 - Reviews: 23 - Favs: 14 - Follows: 17 - Updated: 5/23 - Published: 12/2/2013 - Chisame H., Yue A., Rick C., Kevin R. - Complete
Haemophilia by kitizl
A psychopathic serial killer is on the prowl. Beckett and Castle are suspended. Only one man could help him. They also understand their feelings for each other. Or do they? T for future chapters that would contain some graphic violence.
Crossover - Death Note & Castle - Rated: T - English - Mystery/Romance - Chapters: 2 - Words: 3,270 - Published: 5/23
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: 13 - Words: 40,899 - Reviews: 17 - Favs: 8 - Follows: 16 - Updated: 5/23 - Published: 2/14/2014
Raindrops by MeGkAtHeRiNe reviews
She had moved on, she had had to. But with his kids? She couldn't keep them from him.
Crossover - Criminal Minds & Castle - Rated: T - English - Romance/Drama - Chapters: 18 - Words: 17,324 - Reviews: 64 - Favs: 4 - Follows: 16 - Updated: 5/21 - Published: 4/18 - A. Hotchner/Hotch, E. Prentiss, Rick C. - Complete
The Rap Sheet of Malcom Reynolds by Kitsune Yoko reviews
The rap sheet of one Malcom Reynolds finds its way into the hands of three detectives in the 12th precinct. And Castle scares Ryan both as himself and as Mal. Hilarity ensues. oneshot.
Crossover - Firefly & Castle - Rated: T - English - Romance/Humor - Chapters: 1 - Words: 2,510 - Reviews: 6 - Favs: 12 - Follows: 9 - Published: 5/19 - Mal, Alexis C., Kevin R., Rick C.
Grimm Reflections by The Black Sluggard reviews
A close call on the job exposes a hidden world that has always existed just out of sight―and leaves Kevin Ryan viewing the people closest to him in a whole new light... Sequel to "Until Lambs Become Lions". Slash, Ryan/Esposito. WIP
Crossover - Castle & Grimm - Rated: T - English - Romance/Fantasy - Chapters: 6 - Words: 17,041 - Reviews: 11 - Favs: 7 - Follows: 9 - Updated: 5/18 - Published: 2/9 - [Kevin R., Javier E.] Nick B., Hank G.
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