Firefly Crossovers
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The River in the 'Verse by marylaveen reviews
Two children caught by power hungry people, tested, trained, taught and tortured. Fighting for life in two universes connected only by a tear in the veil between them. Their minds and spirits reach out in desperation and find each other, and a burst of accidental magic binds them together giving them the help they need to survive.
Crossover - Harry Potter & Firefly - Rated: T - English - Chapters: 1 - Words: 1,896 - Reviews: 2 - Favs: 15 - Follows: 38 - Published: 9/30/2019 - Harry P., Sirius B., Simon, River
Harry Potter and the Firefly-class Spaceship by sakurasquared reviews
The characters from Firefly go to Hogwarts - basically Serenity's origin story except in the Wizarding World.
Crossover - Harry Potter & Firefly - Rated: K+ - English - Humor/Adventure - Chapters: 1 - Words: 422 - Reviews: 1 - Published: 9/23/2019
You Can't Take The Sky From Me by TheSpazChik reviews
After Riddicks betrayal, Midnight is on a rampage to find him. When he finds a woman similar to his dead lover, he begins to question if he will have the strength to handle her wrath if he is correct. Sequel to Where Darkness Is The Real Enemy
Crossover - Pitch Black / Riddick & Firefly - Rated: M - English - Romance/Adventure - Chapters: 2 - Words: 3,761 - Reviews: 3 - Favs: 15 - Follows: 22 - Updated: 9/1/2019 - Published: 2/13/2012 - Riddick, Jayne
All My Friends Are Heathens by Shenandoah76209 reviews
A Reader and a Furyan walk into Belle Reve. Crossover with the Riddick-verse, Firefly and Suicide Squad. Independent Heathens 'verse.
Crossover - Firefly & Suicide Squad - Rated: T - English - Adventure/Friendship - Chapters: 1 - Words: 8,106 - Reviews: 9 - Favs: 28 - Follows: 22 - Published: 8/28/2019 - Mal, River, Harley Quinn, Deadshot - Complete
To Play The Fool by Shenandoah76209 reviews
Jayne and Simon had gotten a lot friendlier after Miranda. And when River was taken the two of them were united even further. No matter what it took or how long, they would find River again. It was probably a good thing that Jayne was a lot smarter than he acted. And Simon wasn't nearly as much of a greenhorn. Part of the Chains 'Verse.
Crossover - Pitch Black / Riddick & Firefly - Rated: T - English - Friendship/Family - Chapters: 3 - Words: 14,146 - Reviews: 9 - Favs: 18 - Follows: 9 - Updated: 8/26/2019 - Published: 5/4/2019 - Riddick, Jayne, Simon, River - Complete
Cap'n, We've got Stowaways by Jninja15 reviews
Just a normal day traveling through the 'verse on Serenity, then Mal finds that his ship has been invaded by talking technicolor ponies, and the crew didn't tell him until 10 minutes after.
Crossover - My Little Pony & Firefly - Rated: T - English - Humor - Chapters: 1 - Words: 1,813 - Reviews: 1 - Follows: 2 - Published: 8/24/2019
As the Night the Day by Shenandoah76209 reviews
Sequel to Break the Civilized Chains (finally). Riddick and River have gotten off of Not Furya and become partners and friends...and maybe something more. But River's still avoiding Serenity's crew and Riddick hasn't found Furya. And sooner or later, someone's going to have to do something about the Necromongers.
Crossover - Pitch Black / Riddick & Firefly - Rated: M - English - Adventure/Romance - Chapters: 43 - Words: 202,555 - Reviews: 185 - Favs: 149 - Follows: 132 - Updated: 8/24/2019 - Published: 7/3/2018 - [Riddick, River] - Complete
The Man from Dyton Colony by Brightness Wordweaver reviews
The TARDIS strands the Doctor and Donna on a Firefly-class ship in the 25th century. Why has the Doctor never heard of Reavers, and how are they connected to the "slightly psychic" River? Rated T for eventual (inevitable) mixup of DW "companion" vs. Firefly "Companion".
Crossover - Doctor Who & Firefly - Rated: T - English - Adventure/Sci-Fi - Chapters: 7 - Words: 12,965 - Reviews: 6 - Favs: 4 - Follows: 21 - Updated: 8/13/2019 - Published: 7/3/2019 - 10th Doctor, Donna N., Mal, River
Nox Aurumque by Emmyllou
The 'Verse can be a dangerous place to live, even in the best of times. These are not the best of times. In the midst of a second civil war, Arthur must learn to live a life among the stars, and Merlin must learn that the past cannot always be buried. This is a stand-alone sequel to Lux Aurumque; reading the previous work is not necessary.
Crossover - Firefly & Merlin - Rated: M - English - Sci-Fi/Romance - Chapters: 10 - Words: 45,580 - Favs: 1 - Updated: 8/2/2019 - Published: 7/1/2019 - Mal, Zoe W., Merlin, Arthur - Complete
Miranda's Message: From Buffy by BitterSweetTeller
What if Buffy Summers was the only one who could leave a message on Miranda? And, what if she could be brought back? A crazy as hell alternate climax and ending to the Serenity movie. Rated Teen for strong language, suggestive content in places, hurt/comfort, at least some drama, and quite a bit of action. A version 2.0 of the story to fine tune it as of 7-26-2019.
Crossover - Buffy: The Vampire Slayer & Firefly - Rated: T - English - Adventure/Hurt/Comfort - Chapters: 1 - Words: 11,543 - Favs: 1 - Follows: 1 - Published: 7/16/2019 - Buffy S., Mal, Inara, River - Complete
Steel and Gunpowder by MiLa63 reviews
River Tam almost literally runs into Richard B. Riddick. Sparks Fly. How will Riddick like the rest of the Firefly crew? Will he kill anyone in this 'verse? Riverick at his best. Rated M for language. Please Review if you like!
Crossover - Firefly & Pitch Black / Riddick - Rated: M - English - Romance/Sci-Fi - Chapters: 17 - Words: 18,942 - Reviews: 39 - Favs: 108 - Follows: 155 - Updated: 7/14/2019 - Published: 1/16/2016 - Riddick, R. Tam - Complete
Firefly:code red by benjaminblakely807 reviews
Mal is called to the city and both Mal, and Castle have been assigned to special assignment. But all goes wrong when two icons battle to make a choice of life and death. Rated for strong language
Crossover - Firefly & Castle - Rated: M - English - Drama/Crime - Chapters: 7 - Words: 726 - Reviews: 1 - Favs: 1 - Follows: 1 - Updated: 7/5/2019 - Published: 5/13/2019 - Mal, River, Rick C., OC - Complete
I Hold It True, Whate'er Befall by Shenandoah76209 reviews
Summary: Nobody on the crew treated her like an adult, unless it was convenient for them. Except for him. And no one realized how much he'd changed. Except for her. When Serenity runs across another derelict and picks up two survivors everything will change.
Crossover - Pitch Black / Riddick & Firefly - Rated: M - English - Friendship/Romance - Chapters: 23 - Words: 105,060 - Reviews: 99 - Favs: 100 - Follows: 94 - Updated: 6/13/2019 - Published: 10/26/2018 - [Riddick, Jack] [Jayne, River] - Complete
Break the Civilized Chains by Shenandoah76209 reviews
Riddick has been left for dead. But when the mercs arrive they already have a bounty they've been keeping for her abilities. Riddick hasn't really had much good luck with Seers but that's about to change. River's been biding her time, forced to endure slavery, and now she finally has a chance to escape. If Riddick will trust her. Spoilers for the new Riddick movie!
Crossover - Pitch Black / Riddick & Firefly - Rated: M - English - Adventure/Friendship - Chapters: 16 - Words: 56,968 - Reviews: 115 - Favs: 338 - Follows: 198 - Updated: 4/22/2019 - Published: 10/17/2013 - [Riddick, River] - Complete
Dark Wolf by PureTorture97 reviews
Doctor Who/Firefly/Riddick AU Crossover. First fiction. Cahya is Rose Tyler's little sister. Rose has found her true mate, and Cahya will do anything to keep her sister happy. Doing so puts the final pieces into place for Cahya to meet her true mate. With a few stops first.
Crossover - Doctor Who & Firefly - Rated: T - English - Chapters: 9 - Words: 4,256 - Reviews: 2 - Favs: 1 - Follows: 1 - Updated: 4/13/2019 - Published: 1/15/2019 - Bad Wolf, Rose T., OC
Any Model To Build Mischief On by Shenandoah76209 reviews
Malcolm Reynolds was only on Santo to do a job. Serenity was still searching high and low for it's lost crew member but in the meantime, they had to eat. Funny how things work out. They may not ever go smooth but information can come from the most unlikely source. Part of the Chains 'Verse
Crossover - Pitch Black / Riddick & Firefly - Rated: T - English - Humor/Family - Chapters: 1 - Words: 6,848 - Reviews: 5 - Favs: 14 - Follows: 6 - Published: 4/4/2019 - Mal, Jayne, Simon, Saffron - Complete
Human, Conditional by Moonlight and Mischief reviews
As humanity spreads into the far reaches of the universe, the remants of their history follow giving further question to what is right and what is human.
Crossover - Hellsing & Firefly - Rated: T - English - Adventure/Humor - Chapters: 11 - Words: 67,064 - Reviews: 57 - Favs: 98 - Follows: 124 - Updated: 3/21/2019 - Published: 7/13/2010 - Seras, Mal
Fist Full of Warrants by Badwolf2550 reviews
Team Awesome Force receive a level 3 Warrant for a space pirate called Jayne Cobb. They locate the spaceship Serenity but before they can transport Jayne back to the Quad/Core mayhem ensues.
Crossover - Firefly & Killjoys - Rated: M - English - Sci-Fi/Drama - Chapters: 2 - Words: 2,857 - Reviews: 1 - Follows: 1 - Updated: 3/18/2019 - Published: 12/18/2018
Kingdom Come by amartin22 reviews
A power struggle between worlds leaves multiple star systems wounded after a war. However a small group bands together from different reaches of the Sagittarius star system in hopes of finding a safe place to lay low, only to realize there's some things you can never outrun. { } *This work contains similar settings from Cowboy Bebop or Firefly but are not from their exact world.*
Crossover - Cowboy Bebop & Firefly - Rated: M - English - Sci-Fi/Adventure - Chapters: 9 - Words: 50,963 - Reviews: 1 - Updated: 2/27/2019 - Published: 1/23/2019
Albatross by AmazingGraceless
No one expected a happy ending for River Tam- least of all herself. But with Luke and their daughter, she got a happy middle. With the Empire looming in the background as the First Order, and echoes in the Force that never went away, she is the beginning of the path that leads to the Jedi Praxeum in flames. (Current movie canon, a little AU for the Firefly characters)
Crossover - Star Wars & Firefly - Rated: K+ - English - Adventure/Tragedy - Chapters: 1 - Words: 1,792 - Favs: 1 - Published: 2/26/2019 - [Luke S., R. Tam] OC, Mal
Jigsaw: the game by benjaminblakely807 reviews
Jigsaw plays a game with Inara. Rated for strong violence/gore, torture, and language.
Crossover - Firefly & Saw - Rated: M - English - Horror/Suspense - Chapters: 1 - Words: 283 - Reviews: 1 - Favs: 1 - Follows: 1 - Published: 2/20/2019 - Inara, Jigsaw - Complete
Firefly: 20,000 leagues facing a sharktopus by benjaminblakely807 reviews
Captain Mal and the crew must battle a sharktopus 20,000 leagues under the sea. Rated for strong sexuality and strong violence/gore.
Crossover - Firefly & Twenty Thousand Leagues Under the Sea - Rated: M - English - Sci-Fi - Chapters: 1 - Words: 434 - Reviews: 1 - Favs: 1 - Follows: 1 - Published: 1/23/2019 - Mal, River, Zoe W., Wash - Complete
Firefly: The Long Job by psychicscubadiver reviews
With two fugitives on board and bills to pay Captain Dash starts looking for work, but it isn't long before a job finds her. A few thefts and smuggling are nothing new to the crew, and gemstones don't even take up much room. With the size of the payout being offered, how could Dash say no? Only, the first gem they were supposed to pick up is missing. Why can't things ever be easy?
Crossover - My Little Pony & Firefly - Rated: T - English - Sci-Fi/Adventure - Chapters: 7 - Words: 29,623 - Reviews: 1 - Favs: 8 - Follows: 10 - Updated: 12/31/2018 - Published: 8/7/2015
To Be Determined by Magi Silverwolf reviews
Heroes show up when they are needed, and some show up just in the nick of time. The kind of time that this is is still to be determined.
Crossover - Firefly & Avengers - Rated: T - English - Chapters: 2 - Words: 7,762 - Reviews: 2 - Favs: 10 - Follows: 17 - Updated: 12/4/2018 - Published: 9/21/2017 - R. Tam, Captain America/Steve R., Bucky Barnes/Winter Soldier
Zootopia That Was 2: The Train Job by niraD reviews
The central planets formed the Alliance and forced the outer planets to submit to their rule. Back then, fools like me tried to fight it. Now, we just try to get by. I'm Nick Wilde, captain of Serenity, a Firefly-class transport. I've got a good crew. If you've got a job, then we can do it, whatever it is. (Crossover: Zootopia characters in a Firefly setting)
Crossover - Firefly & Zootopia - Rated: T - English - Sci-Fi/Western - Chapters: 5 - Words: 7,993 - Reviews: 5 - Favs: 3 - Follows: 3 - Updated: 11/16/2018 - Published: 11/7/2018 - Judy H., Nick W., B. Clawhauser, Officer Fangmeyer - Complete
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