19The Prince, the Princess, and the Other Wizard » by ucsbdad This is a sequel to The Princess and the Wizard. Some months after Rick Castle's armored cavalry platoon was mysteriously taken to an alternate Earth where magic and more was real, another wizard arrives.
Castle, K+, English, Adventure & Sci-Fi, chapters: 3, words: 6k+, favs: 5, follows: 8, updated: 6h published: 12/5, [Kate B., Rick C.] Alexis C., Kevin R.
109Moments of Infinity » by bamboo72498 Collection of non chronological one-shots expanding on the 'Five Little Monkeys' world. Cover art credit to Angie (@Dtrekker on Twitter) Rated T for minor language and sexual situations.
Castle, T, English, Family, chapters: 67, words: 125k+, favs: 34, follows: 69, updated: 6h published: 12/9/2015, Rick C., Kate B.
15Amazing » by CheerfulChemist This AU story begins at the point in "Knockdown" when Rick and Kate are trying to figure out how to go after Lockwood without getting Ryan and Esposito killed. Castle's kiss shocks Kate into a realization.
Castle, M, English, Romance & Crime, chapters: 2, words: 2k+, favs: 21, follows: 44, updated: 12h published: 12/6, Rick C., Kate B., Javier E., Kevin R.
79See the Joy » by Trinity Everett Christmas time with the Castle family is silly and strange, full of adventures and activities, and never, ever dull. Post-Series Fic, Caskett.
Castle, K+, English, Family & Romance, chapters: 5, words: 5k+, favs: 19, follows: 40, updated: 19h published: 12/1, [Kate B., Rick C.]
28Part of Me, Part of You » by castlefan6 Authors Note: Sequel to Girl from Yesterday, No Time Lapse, the story picks up where we left off. It blends some Canon dialog, courtesy of Dust Jackets Dot Com then goes quickly and completely AU. This will describe what our friends have been up to, Rick and Kate WILL NOT END UP TOGETHER! Taking a Literary License to fill in the blanks.
Castle, T, English, Hurt/Comfort & Friendship, chapters: 6, words: 15k+, favs: 6, follows: 8, updated: 12/5 published: 9/11, Rick C., Kate B.
344 Kate Beckett, Investigator » by CheerfulChemist This story is a continuation of "Confession." Kate and Rick are married. Kate works for her father as an investigator into corporate malfeasance. Martha is living with her boyfriend Rafael. The opening, with some modifications, is based on NYC history.
Castle, T, English, Crime & Romance, chapters: 59, words: 77k+, favs: 37, follows: 56, updated: 12/5 published: 10/8, Rick C., Kate B., Jim B.
17A Season for Family » by lms2457 A Christmas with the Castle family set in the Universe of Spirit of the Season. Unified POV.
Castle, T, English, Family & Romance, chapters: 3, words: 4k+, favs: 7, follows: 18, updated: 12/4 published: 12/1, [Kate B., Rick C.]
19Midnight Hour Is Close At Hand » by Jude Rigby When a brutal murder occurs at a Halloween event, Castle and Beckett search for the killer before more bodies can drop. The combination of their case with an ongoing federal investigation combines to reveal that nothing is as it seems, even in the Hamptons. Forty-fourth in the Beware Of Darkness series. Caskett pairing.
Castle, M, English, Crime & Drama, chapters: 15, words: 90k+, favs: 7, follows: 9, updated: 12/4 published: 10/23, [Rick C., Kate B.]
133Kate, Rick, & Zoe » by Pen to Paper Writer She was a perfectionist in every sense of the word. She loved her job and couldn't see doing anything else. But when tragedy struck, her life changed. He always pushed people's buttons and got them to be their best. The second he saw her, he fell for her. What happens when their worlds collide?
Castle, M, English, Drama & Romance, chapters: 13, words: 32k+, favs: 20, follows: 42, updated: 12/3 published: 9/17, Rick C., Kate B., OC
52Home in the Meadow » by Swordwriter In this very AU story Richard Rodgers Meets Katherine Beckett Davidson on a wagon train headed west in 1854. Her abusive husband is killed on the trek and they eventually get toether
Castle, M, English, Adventure & Romance, chapters: 4, words: 24k+, favs: 18, follows: 25, updated: 12/1 published: 5/31, Rick C., Kate B., Javier E., Jim B.
444The Best-Laid Plans » by bingblot "Her stubborn, stupid body wanted Castle, was apparently fixated on him, and wasn't interested in any substitutes. So maybe she should just go for it, have a one night stand with him, get him out of her system." Starting at the end of 2x23 "Overkill" and going from there.
Castle, M, English, Romance, chapters: 25, words: 137k+, favs: 107, follows: 186, updated: 12/1 published: 4/21, Rick C., Kate B.
49Snowed In » by Lord of Kavaka She was only there to help her Aunt Theresa while her Uncle Herb recovered from a mild heart attack. But then a blizzard hit and Kate Beckett found herself stuck with an irritating yet ruggedly handsome novelist. Caskett AU Meeting. For Castle Ficathon Winter 2023.
Castle, T, English, Romance & Angst, chapters: 2, words: 4k+, favs: 33, follows: 75, updated: 11/28 published: 11/22, [Kate B., Rick C.] Gina, Jim B.
24 Day and Night by ipreferwestside Her heart hammers in her throat as she sets her phone on her side table, and she watches Castle's eyes darken and drop to her lips. His tongue darts out to wet his bottom lip, and she barely has a chance to register that he's moving towards her before his hands are cupping her jaw and his mouth is on hers. A post-3x06 AU. COMPLETE
Castle, M, English, Romance, words: 3k+, favs: 26, follows: 9, 11/27, Rick C., Kate B.
308Crossroads » by mysterymuse It's June 1999—Kate Beckett is leaving Stanford behind on her Harley Softail, the loss of her mother still a fresh wound on her heart, while Rick Castle, fresh off his first best-seller and a brutal break-up, is searching for new inspiration on the open road. When girl meets boy on Historic Route 66, it might just change both of their lives forever.
Castle, T, English, Romance & Adventure, chapters: 18, words: 85k+, favs: 64, follows: 104, updated: 11/22 published: 7/4, Rick C., Kate B.
22 Into A Moment Of Time by ipreferwestside Of all the ways he's approached a woman to ask her out - and the occasional times when she's made the first move - this is different. Being suddenly woken from a sunshine-induced doze by someone tripping over his outstretched legs is a new one. A one-shot meeting AU. COMPLETE
Castle, T, English, Romance, words: 2k+, favs: 22, follows: 9, 11/12, Rick C., Kate B.
259Admiratio » by Lololova ‹‹ "Kate?" his voice is hesitant and he looks a bit pale. "Is… is it really you?" Kate looks down into the papers, avoiding his eyes. Those blue eyes. She can't help but wonder if they still look like the ocean. She thinks about lying, saying it isn't her, that she doesn't know what he's talking about, that she's never met him in her entire life. But she knows it won't work.››
Castle, T, English, Hurt/Comfort & Family, chapters: 13, words: 30k+, favs: 70, follows: 132, updated: 11/12 published: 7/25, Rick C., Kate B.
65 Unexpected » by imdoingthiswhy Begins in March 2009. Starts as you would expect, then quickly goes AU (for being sensible about a budding new relationship - then a lot more AU.
Castle, T, English, Romance, chapters: 6, words: 24k+, favs: 34, follows: 43, updated: 11/11 published: 10/30, Rick C., Kate B., Martha R., Jim B.
91Goodness and Light » by evitascarlett A story from the Redemption/Tuesdays with Johanna Universe: Christmas still wasn't exactly what Johanna Beckett had hoped it would be but she had made herself content with how things were…but her four year old granddaughter had other ideas in mind. Perhaps this Christmas would be the season when everything changed. Castle Winter Ficathon 2020
Castle, T, English, Family & Drama, chapters: 8, words: 63k+, favs: 31, follows: 51, updated: 11/10 published: 11/17/2020, Rick C., Kate B., Jim B., Johanna B.
87In My Veins » by Caskett1960 What would have happened if Castle hadn't been kidnapped on his way to their original wedding in The Hamptons. Rated T for the first chapter, but that rating will change.
Castle, M, English, Romance, chapters: 11, words: 47k+, favs: 40, follows: 72, updated: 11/9 published: 4/17, Rick C., Kate B., Alexis C., Martha R.
79 Deadenders » by ucsbdad The decades long war is finally over, but civilization is breaking down on many human colonies. Rick Castle needs to recruit some people to help protect his home. Where better to look than with soldiers that have no place else to go: the deadenders.
Castle, K, English, Sci-Fi & Adventure, chapters: 13, words: 27k+, favs: 14, follows: 16, updated: 11/6 published: 10/25, [Kate B., Rick C.] Javier E., Kevin R.