825 Dear Diary » by Garrae "'Dear Diary. I'm so tired. There's so much to learn as a detective, and I'm still bailing Dad out. I told him last night was the last time, and I really meant it. I keep going back to the file but I can't see anything more. I'm missing something, I know I am.' A chill ran down Castle's spine. He frantically turned pages to the next entry." Pre-series AU meeting. CastleFicathon2020
Castle, M, English, Romance & Angst, chapters: 25, words: 85k+, favs: 116, follows: 132, updated: 7/21/2020 published: 5/26/2020
6k+ After A Deadly Affair » by ucsbdad An AU story set after A Deadly Game. COMPLETE!
Castle, K, English, Mystery & Romance, chapters: 1059, words: 1611k+, favs: 201, follows: 271, updated: 12/1/2019 published: 12/6/2013, Rick C., Kate B., Alexis C., Javier E.
18When Warriors' Fates Collide » by VeraFenestra This story follows the 2017 movie up to the moment of Wonder Woman's final battle with Ares. However, what happens from there on turns out somewhat differently. Steve is dead (sorry, no miraculous savings here), and Ares too, but Diana is captured by the Germans before the signing of the armistice. She faces court-martial as a British secret agent, but the Amazons get wind of it...
Wonder Woman, T, English, Adventure & Drama, chapters: 10, words: 15k+, favs: 23, follows: 27, updated: 9/29/2019 published: 7/14/2017
43 Moments of Always 2: Wrong Place, Wrong Time by Castle Season 9 Castle's losing battle with his overprotectiveness and paranoia has Beckett wanting to get out. Unfortunately, she runs into trouble. Written by GeekMom for the Castle Season 9 "Moments of Always" project.
Castle, T, English, words: 8k+, favs: 36, follows: 18, 5/8/2018
70 Literal Interpretation by Dmarx When she told him to do whatever he wanted, she meant 'take the certain British secret agent offer.' She definitely didn't mean, well, this. Picks up after the Heat Wave launch party in 2x05. One-shot.
Castle, T, English, Friendship & Romance, words: 3k+, favs: 95, follows: 26, 11/28/2017, Rick C., Kate B.
57 Retrace by bravevulnerability "We'd still be together if none of this ever happened. Do you ever think about that?" Post-ep for episodes 1x01, 'Comeback', and 1x02, 'Reset'.
Absentia, T, English, Hurt/Comfort & Angst, words: 2k+, favs: 66, follows: 52, 9/28/2017, Emily B., Nick D.
21 Leave The Light On Deleted Scene by PossumSoul This is the M rated chapter insert for Leave the Light On that goes between chapter 12 and 13. Coming back from recovery after taking a bullet for her, Beckett finally admits how she truly feels about Castle and takes him back to her apartment for the night. [Complete]
Castle, M, English, Romance & Angst, words: 4k+, favs: 43, follows: 15, 8/12/2017, [Rick C., Kate B.]
42 If You'll Let Me by ipreferwestside "He must have drifted off, because instead of lying down like she'd expected, he's sitting up, his head leaned back, neck twisted in a way that can't be comfortable. When she sneaks closer she can see the file on his lap, open, his hand on it, and her heart swells." A Tick, Tick, Tick/Boom AU. COMPLETE.
Castle, T, English, Romance & Friendship, words: 2k+, favs: 97, follows: 33, 4/9/2017, Rick C., Kate B.
345 Learning Genevieve » by ChelzToddBrooke As requested by some, here is the start of how Castle met Genevieve Beckett and how he came to marry her mother. AU. Prequel to "When her two favorite people fight" and "Lucky to Have You" but can stand alone. Eventual Connected series of one shots.
Castle, K+, English, Romance & Family, chapters: 30, words: 115k+, favs: 223, follows: 383, updated: 11/30/2016 published: 11/21/2012, Rick C., Kate B.
21 Water Shortage by Caffiene-K Because it's always a good idea to let your ex-friends with benefits shower at your apartment. Based of a tumblr prompt from @castlefanficprompts.
Castle, T, English, Romance & Humor, words: 3k+, favs: 33, follows: 22, 10/21/2016, [Rick C., Kate B.]
447 It's For You, Castle » by WRTRD Beckett is suddenly writing letters, and so is Castle. Complete.
Castle, T, English, Romance, chapters: 9, words: 25k+, favs: 152, follows: 131, updated: 10/13/2016 published: 3/26/2016, Rick C., Kate B.
165 Accept No Substitutes » by chezchuckles a co-authored fic with jstar1382. An AU version of the Nikki Heat episode. "How could he ever settle for a generic substitute when the original graced him with her presence every day?"
Castle, T, English, Romance, chapters: 5, words: 7k+, favs: 116, follows: 157, updated: 9/7/2016 published: 9/1/2016, Rick C., Kate B.
222 The One That Got Away » by alwayswritewithcoffee When a bridesmaid is killed hours before a wedding, Ryan and Esposito are called to solve the case. Serving as their shadow, Rick Castle runs headlong into his past; ex-girlfriend and current bride, Kate Beckett. An AU re-telling of 2x12 'A Rose For Everafter'. [An eight-part prompt from the Castle fanfics prompt blog on Tumblr.]
Castle, K+, English, Romance & Drama, chapters: 8, words: 45k+, favs: 185, follows: 294, updated: 7/31/2016 published: 7/1/2016, Rick C., Kate B., W. Sorenson
1k+ Take the Stairs » by Trinity Everett Castle and Beckett spent one night together and over a year apart. Now they were neighbors and they had a second chance for something extraordinary. Pre-Series AU, Meeting AU. Caskett. A prompt response written for CastleFanficMonday and continued for the 2015 Castle Hiatus Ficathon.
Castle, T, English, Family & Romance, chapters: 20, words: 105k+, favs: 619, follows: 852, updated: 6/11/2016 published: 5/25/2015, Rick C., Kate B.
63Assistant of His Imagination » by HarleyGray College AU. "She only needed to turn her head and watch his eyes claim every bit of sunlight within them. He radiated passion and transparence as much as he emitted anger and turbulence. She didn't warn him when she brought her lips to his, didn't hold his hand or touched his face. She simply leaned forward and claimed him." OASN: Blind character
Castle, K+, English, Romance & Humor, chapters: 6, words: 21k+, favs: 55, follows: 152, updated: 4/19/2016 published: 2/14/2016, Rick C., Kate B.
420 Who The Hell Are You? » by WRTRD Kate Beckett spent the summer recovering from having been shot, and hasn't spoken to Rick Castle in months. When she comes back to work, she finds that she has an unexpected rival. And she's going to fight. Complete.
Castle, T, English, Humor & Romance, chapters: 9, words: 22k+, favs: 145, follows: 260, updated: 4/3/2016 published: 3/13/2016
41 Quid Pro Quo by Meg Moore 'Who holds the dishonor of being your lousiest lay? Yes, I want to know.' Castle and Beckett have a enlightening conversation about the ghosts of lovers past, set early season 5.
Castle, T, English, Romance & Humor, words: 2k+, favs: 62, follows: 15, 4/2/2016, Rick C., Kate B.
558Chasing Nirvana » by caffinate-me AU. Two years after model Grace Beckett uses her twin sister, Kate's, name in a one-night-stand with mystery novelist Richard Castle, things get complicated when the real Kate Beckett brings Castle in for questioning in a murder.
Castle, T, English, Drama & Romance, chapters: 10, words: 36k+, favs: 230, follows: 588, updated: 3/14/2016 published: 10/19/2014, Kate B., Rick C.
37 I Will Never Stop Trying by whatifellinlovewith "A hand drifts across her shoulders, catching strands of hair, drawing them over her shoulder, gentle and sweet and forbidden, but she sinks into his touch for just a moment anyway. Because he's back. He's not supposed to be back." A season 4 Valentine's Day story. For Valen.
Castle, K+, English, Romance & Friendship, words: 4k+, favs: 53, follows: 26, 2/14/2016, [Kate B., Rick C.]
82 Just In Time by bravevulnerability 'She normally works the New Year's Eve shift; she's used to spending this moment in solitude. She had just hoped this year would be different.' Set mid season 4.
Castle, T, English, Romance, words: 2k+, favs: 144, follows: 44, 12/31/2015, Rick C., Kate B.