27 You throw a great shindig for a 19th-century poet, Mr Poe What if Beckett had showed up to Castle's Halloween party in a different costume in "Vampire Weekend"?
Castle, K+, English, Humor, words: 520, favs: 10, follows: 11, 10/29/2020, Rick C., Kate B., Alexis C., Martha R.
5 Only for you John takes his friend's advice and gives Grace a sign as to his feelings for her. In a voicemail.
Rookie, K+, English, Friendship & Romance, words: 706, favs: 3, follows: 6, 5/10/2020, J. Nolan
2 A long way from Budapest Two who made the ultimate sacrifice on Vormir meet for the first time.
Avengers, K+, English, Tragedy & Friendship, words: 1k+, favs: 8, follows: 3, 12/11/2019, Black Widow/Natasha R., Gamora
33 The Quest Rick Castle knew this day would come. This was Alexis, after all - she'd have to know "the rest of the story". AU taking place some time before the end of season 4.
Castle, K, English, Family & Friendship, words: 2k+, favs: 35, follows: 28, 8/10/2019, Rick C., Kate B., Alexis C., Martha R.
35 Plucky sidekick AU: This is not how either of them envisioned their first date: kidnapped, Kate tied to a chair in front of a monitor, watching their captors torture Castle for information he doesn't have. Doesn't stop him going for nonchalant and cocky, though.
Castle, M, English, Hurt/Comfort & Drama, words: 2k+, favs: 36, follows: 43, 8/9/2019, Rick C., Kate B., Javier E., Kevin R.
45 The writer and his muse It started with a handshake. Damn Castle and his eloquence. He turned that simple gesture, the brief joining of hands, into an invitation to fantasy. An imagined journey from 5x03 through their honeymoon.
Castle, T, English, Romance & Family, words: 1k+, favs: 38, follows: 25, 8/9/2019, [Kate B., Rick C.]
213Castle Episodic » A series of one-shots related to various episodes of Castle. Update: I've been adding in chapters that were posted on AO3 and not here, so both sites will have the chapters thus far.
Castle, T, English, Drama & Romance, chapters: 26, words: 20k+, favs: 38, follows: 101, updated: 8/9/2019 published: 2/27/2015, Rick C., Kate B., Javier E., Kevin R.
28 A Castle on Mars Kate and Alexis are watching and waiting for a message from Mars. Takes place many years after the series end and calls back to season 7, episode 16, "The Wrong Stuff".
Castle, K, English, Family & Adventure, words: 969, favs: 22, follows: 16, 6/18/2019, Kate B., Alexis C.
14 Hope In the aftermath of The Snap, Rick Castle starts to rebuild his life. Fortunately, he has Hope. Spoilers for Avengers: Endgame.
Castle & Avengers, K+, English, Hurt/Comfort & Family, words: 2k+, favs: 15, follows: 5, 5/13/2019, Rick C., OC
11 A not-so-white Christmas John Nolan contemplates his first Christmas as a stranger in a strange land, and meets a kindred spirit on the beach.
Rookie, K, English, Friendship, words: 1k+, favs: 5, follows: 5, 12/29/2018, J. Nolan
6 Uncharted? What if Nathan Drake and Rick Castle were not only acquainted, but connected? Very little plot or other substance - just a sketch inspired by the Uncharted fan film released last week.
Uncharted series & Castle, T, English, Mystery & Humor, words: 770, favs: 4, follows: 10, 7/28/2018
31 Baby mine For once, Kate is in the hospital for a happy reason.
Castle, K+, English, Family, words: 752, favs: 36, follows: 21, 7/28/2018, [Rick C., Kate B.] Jim B., OC
27 Just a dream For the prompt: The end of "Always" was just a dream. No dialogue, no action, just a chunk of Castle's thoughts upon awakening the morning after Alexis' graduation. Hope it suits.
Castle, T, English, Drama & Angst, words: 961, favs: 16, follows: 20, 1/28/2018, Rick C.
30 When all is said and done An alternate ending to the series, wherein nobody gets shot and Ryan saves the day. For remuslovestonks, from your Castle Secret Santa!
Castle, T, English, Drama, words: 1k+, favs: 18, follows: 13, 1/2/2018, [Kate B., Rick C.] Kevin R.
374 Anything could happen » Goes off canon after 8x02. When Rick lands in the hospital after a traffic accident, he reminds Kate that anything can happen. "The best way to keep me safe, Kate, is to keep me close. Back to back, watching each other's six." Even while they're watching, they're racing to solve the puzzle of LokSat and Rick's lost summer.
Castle, T, English, Drama & Romance, chapters: 40, words: 56k+, favs: 136, follows: 311, updated: 12/21/2017 published: 10/7/2015, [Rick C., Kate B.] Alexis C., Martha R.
23 Sugar daddy Five-year-old Lily has a sugar daddy. Kate is alarmed - until she sees who it is.
Castle, K, English, Family & Humor, words: 609, favs: 25, follows: 16, 12/12/2017, Rick C., Kate B.
15 Now that's what I call a close encounter One way Castle and Beckett might have survived 8x22...with help from some friends from out of town.
Men In Black & Castle, K+, English, Humor & Sci-Fi, words: 1k+, favs: 14, follows: 11, 10/29/2017, Agent K, Agent J, Rick C., Kate B.
54 Truth will out » For a prompt on twitter: "What if Castle had ended up having an adverse reaction to the truth serum & collapsed down in that furnace room...in 8x22?" No character death, I promise. Now complete.
Castle, T, English, Hurt/Comfort & Angst, chapters: 4, words: 5k+, favs: 36, follows: 79, updated: 1/14/2017 published: 12/10/2016, [Kate B., Rick C.]
209 A fistful of Castles » Post-"Crossfire". Castle and Beckett are rushed to the hospital, and Beckett is trying to get news of Castle's condition as she fades in and out of consciousness. In between moments of lucidity, she dreams...and so does Castle. My mini-ficathon entry for the 2016 Summer Castle Ficathon. Complete!
Castle, T, English, Hurt/Comfort & Drama, chapters: 24, words: 25k+, favs: 53, follows: 122, updated: 10/24/2016 published: 5/25/2016, [Kate B., Rick C.]
19 Her story AU where Beckett is shot by Tisdale in the first episode, as prompted on twitter. Castle blames himself for her getting shot because he was trying to play the hero. Fair warning: no fluff here, at all, and no resolution either.
Castle, T, English, Tragedy, words: 894, favs: 12, follows: 17, 10/24/2016, Rick C.