StarTrek: The Original Series Crossovers
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Paint and Powder: Defiant Hope by Andrew Joshua Talon reviews
USS Defiant with her AI ends up in a very different universe... But a shipgirl's not gonna just let some aliens genocide humanity, right? Bad news is, she's not the only one who made it... A spin off of "Paint and Powder",
Crossover - Babylon 5 & StarTrek: The Original Series - Rated: T - English - Adventure/Drama - Chapters: 8 - Words: 29,364 - Reviews: 63 - Favs: 43 - Follows: 50 - Updated: 9/8 - Published: 8/16 - J. Sheridan, Delenn
Naruto: Infinity Divide by Thayerblue1 reviews
A crossover between Naruto and Star Trek: TOS. Starts a few years before The Original Star Trek series and takes place in the Star Trek Universe. Featuring Vulcan!Naruto. See inside for details.
Crossover - StarTrek: The Original Series & Naruto - Rated: M - English - Adventure/Sci-Fi - Chapters: 80 - Words: 466,440 - Reviews: 2621 - Favs: 1,923 - Follows: 1,939 - Updated: 8/28 - Published: 10/24/2016 - Naruto U.
Ripley Adventures 2: Star Trekker by ChrisR
Following the events of Alien, Ellen Ripley's escape shuttle passes through a space anomaly where she is rescued by Captain James T. Kirk and the USS Enterprise-A.
Crossover - StarTrek: The Original Series & Aliens/Predator - Rated: T - English - Sci-Fi/Adventure - Chapters: 1 - Words: 8,050 - Published: 8/24 - J. Kirk, L. McCoy, Spock, E. Ripley - Complete
Time's Caretaker by Themightytom reviews
sequel to Time's Razor and concurrent to Star Trek Delta. As the twelve colonies struggle to survive the Fall, and to understand the new world they find themselves in, the path to the future leads to the past, and legends point the way.
Crossover - StarTrek: The Original Series & Battlestar Galactica: 2003 - Rated: K+ - English - Sci-Fi - Chapters: 13 - Words: 117,508 - Reviews: 8 - Favs: 27 - Follows: 30 - Updated: 8/13 - Published: 3/27/2022
Princesses of the Final Frontier by DrummondType2 reviews
Shizuru Fujino has just been made Captain of the U.S.S. Enterprise, and her first officer, half-human/half-Vulcan Natsuki Kuga, is ready to aid her in their five year mission.
Crossover - Mai HiME & StarTrek: The Original Series - Rated: T - English - Romance/Sci-Fi - Chapters: 4 - Words: 12,921 - Reviews: 2 - Favs: 4 - Follows: 3 - Updated: 7/28 - Published: 2/8 - [Shizuru F., Natsuki K.] L. McCoy, Uhura
Star Trek: Trapped in the Pokeverse by Invader Chort reviews
A rip in dimensions causes the crew of the NCC-1701 to be trapped in the Pokemon Universe.
Crossover - StarTrek: The Original Series & Pokémon - Rated: T - English - Sci-Fi/Mystery - Chapters: 2 - Words: 626 - Reviews: 14 - Favs: 6 - Follows: 7 - Updated: 7/13 - Published: 9/23/2010 - H. Sulu, Ash K./Satoshi
Beyond Antares:Latest Encounters: by Rosie-Love98
Thanks to the White Gaurdian, the Seventh Doctor has the veterans of Enterprise-A sent to the Skyriver Galaxy to meet Rebel Heroes, Luke Skywalker, Leia Organa and Han Solo. However, a bitter enemy could pose a threat to the potential friendship. (ClassicDoctorWho/StarTrekTOS/StarWarsOriginalTrilogy)
Crossover - StarTrek: The Original Series & Doctor Who - Rated: T - English - Chapters: 10 - Words: 13,896 - Favs: 1 - Follows: 1 - Updated: 7/3 - Published: 4/10
Star Trek: Of Gods and Monsters by OliverCooper1002 reviews
Captain Kirk and the crew of the USS Enterprise explore a newly discovered planet and comes face to face with creatures who may very well be called gods. And on top of that, it looks like the Klingons are here too.
Crossover - StarTrek: The Original Series & Godzilla - Rated: T - English - Adventure/Fantasy - Chapters: 3 - Words: 12,375 - Reviews: 5 - Favs: 9 - Follows: 8 - Updated: 6/28 - Published: 4/28/2021 - J. Kirk, Spock, Mothra, Godzilla
Where No Camping Trip Has Gone Before by Zebra 3 and Me
Parody based on the Stiller and Wilson movie, Starsky and Hutch Plot: Starsky & Hutch meet Kirk & Spock.
Crossover - StarTrek: The Original Series & Starsky & Hutch - Rated: T - English - Parody/Adventure - Chapters: 1 - Words: 1,495 - Published: 6/12 - Complete
Starfleet's First Pioneers by TimeTraveller-1900
It might have been a rushed mistake, but the S.S. Valiant represented a new age, and was the groundbreaking beginning for Starfleet.
Crossover - StarTrek: The Original Series & StarTrek: Enterprise - Rated: K - English - Adventure/Sci-Fi - Chapters: 1 - Words: 1,211 - Favs: 13 - Follows: 9 - Published: 5/10 - Complete
Star Trek Redemption Part 1: To Boldly Go by HandyAndy2063 reviews
Stardate: 2275. After the triumph of the USS Enterprise against the V'Ger probe, Starfleet is preparing to launch its latest vessel, the USS Excalibur, registry NCC-1756, named in honor of the one that was destroyed in the M-5 computer experiment. Their first mission is to investigate an anomaly that has caused interference and problem in the Diringel system; what could go wrong?
Crossover - StarTrek: The Original Series & Hazbin Hotel - Rated: T - English - Sci-Fi/Adventure - Chapters: 18 - Words: 91,516 - Reviews: 19 - Favs: 16 - Follows: 21 - Updated: 3/6 - Published: 9/23/2021
Fusion Confusion by pronker reviews
Lemmy the Space-Faring Robot sticks Skipper inside his portholed, fully-pressurized, oxygen-rich chest cavity for a joy ride, or half of one.
Crossover - StarTrek: The Original Series & Penguins of Madagascar - Rated: T - English - Adventure/Sci-Fi - Chapters: 1 - Words: 2,689 - Reviews: 1 - Favs: 1 - Follows: 1 - Published: 2/17 - J. Kirk, Spock, Uhura, Skipper - Complete
Kirk and Caragh: the Chronicles of Britannia II by NoraVonGikkingen reviews
When a scientific mission on planet Britannia II goes awry, the Enterprise is left crippled - and its Captain, disfigured. Yet Spock seems to have found a cure to Kirk's bitterness: a mute cyborg fairy he caught on Britannia II on the eve of the attack led by Captain Harlock. Soon, the fairy's jealousy is ignited by Kirk's interest in Wendy, his newly appointed yeoman...
Crossover - StarTrek: The Original Series & Captain Harlock - Rated: T - English - Romance/Fantasy - Chapters: 2 - Words: 6,684 - Reviews: 1 - Updated: 2/5 - Published: 1/7 - [J. Kirk, OC] [Spock, Meeme/Clio]
Covenant - A STARS ABALAZE STORY by Lord Maximus reviews
With a whole new galaxy opened to them, Kirk and the crew of the Enterprise test the first of their new gifts by crossing across the galaxy and into the Gamma Quadrant. What are they likely to find there?
Crossover - Star Wars & StarTrek: The Original Series - Rated: T - English - Sci-Fi - Chapters: 11 - Words: 19,013 - Reviews: 55 - Favs: 38 - Follows: 37 - Updated: 1/29 - Published: 12/6/2021 - Complete
Where No One Can Hear You Scream by DrummondType2 reviews
The Enterprise responds to a Starbase that has fallen silent on Planet Archeron.
Crossover - StarTrek: The Original Series & Aliens/Predator - Rated: T - English - Sci-Fi/Horror - Chapters: 1 - Words: 3,274 - Reviews: 2 - Favs: 1 - Follows: 4 - Published: 1/28 - J. Kirk, L. McCoy, Spock, Alien/Xenomorph
A Taste of Stupidity by Autohog95
On its five-year mission throughout the galaxy, the Enterprise has picked up three new Ensigns. It's only unfortunate that they're the infamous Moe, Larry, and Curly! With Klingons thrown into the mix, how will Kirk and his crew survive with their sanity intact!
Crossover - StarTrek: The Original Series & Three Stooges - Rated: K+ - English - Humor/Sci-Fi - Chapters: 5 - Words: 5,934 - Favs: 1 - Follows: 1 - Published: 12/29/2022 - J. Kirk, Moe H., Curly H., Larry F. - Complete
A Lady by TimeTraveller-1900 reviews
Admiral McCoy has spent a whole day on the brand new Enterprise D, but when he meets Data he imparts some helpful advice.
Crossover - StarTrek: The Next Generation & StarTrek: The Original Series - Rated: K - English - Drama - Chapters: 1 - Words: 1,389 - Reviews: 4 - Favs: 7 - Follows: 3 - Published: 11/30/2022 - Complete
Operant Conditioning by fuzzyllamas164
Jim and Spock's son, Sartok, is having issues with bullies until someone intervenes by using an interesting hypothesis of her own. This is a part of a larger narrative about Aurelia Clarke, a human on a mostly Vulcan Ship. Contains Jim/Spock and a few of my OCs
Crossover - StarTrek: The Original Series & Star Trek: 2009 - Rated: K - English - Friendship/Hurt/Comfort - Chapters: 1 - Words: 3,231 - Published: 11/19/2022 - J. Kirk, Spock - Complete
La forza di un uomo by MCcoyJimSpock
L'enterprise esplora il settore Y per studiarne la fauna del pianeta. Spock e Kirk scendono sul pianeta con una squadra tra i quali il figlio di Alden e Jessica perdendo i contatti con la nave.
Crossover - StarTrek: The Original Series & NCIS - Rated: T - Italian - Sci-Fi/Adventure - Chapters: 1 - Words: 3,170 - Published: 10/17/2022 - J. Kirk, Spock, J. Knight, A. Parker - Complete
The Yukari Crusade by timedraven117 reviews
The year is 999.M41, the 13th black crusade rages, refugees from the Cadia Sub Sector and shattered regiments at thee end of their service have been granted a trophy world in the Yukari Gap for their service to the Emperor. Alongside Mechanicus Explorators, the fleet embarks. What no one knows is the Emperor intends them for a duty never before undertaken. Rated M for mature themes
Crossover - StarTrek: The Original Series & Warhammer - Rated: M - English - Sci-Fi - Chapters: 2 - Words: 12,574 - Reviews: 12 - Favs: 27 - Follows: 28 - Updated: 9/23/2022 - Published: 4/29/2020
Undiscovered Stars by Beatrice Otter
Just how far out in the Unknown Regions was he, Lando wondered, that they didn't use hyperdrives?
Crossover - Star Wars & StarTrek: The Original Series - Rated: K+ - English - Romance - Chapters: 1 - Words: 8,276 - Favs: 2 - Follows: 3 - Published: 9/6/2022 - Lando C., J. Kirk - Complete
Mentor by Marcus Rowland reviews
Most students have a favourite teacher, one that really inspires them. Uhura is no exception... Sequel to Omphalos
Crossover - Buffy: The Vampire Slayer & StarTrek: The Original Series - Rated: K - English - Chapters: 1 - Words: 1,307 - Reviews: 2 - Favs: 6 - Follows: 5 - Published: 8/2/2022 - Complete
Dimension Hopping by Beatrice Otter reviews
Buffy and Spock are both lost, a long way from home.
Crossover - Buffy: The Vampire Slayer & StarTrek: The Original Series - Rated: T - English - Chapters: 1 - Words: 15,324 - Reviews: 4 - Favs: 3 - Follows: 4 - Published: 8/1/2022 - Complete
Magic Through the Ages by Rina Meunier reviews
Has anyone ever wondered what would change in the wizarding world if muggles became aware that they are not alone in the universe? A young Spock develops a friendship with a human girl he met one day in Shi'Kahr. As time passes, the relationship grows deeper. But she is hiding something.
Crossover - StarTrek: The Original Series & Harry Potter - Rated: T - English - Friendship/Romance - Chapters: 8 - Words: 13,540 - Reviews: 9 - Favs: 21 - Follows: 42 - Updated: 7/31/2022 - Published: 7/31/2019 - Spock, OC
What a Nice Guy! by TimeTraveller-1900 reviews
Ben Sisko and his crew have just stopped Arne Darvin from killing James T. Kirk, and now Sisko wants to do something he thought about the moment he saw the Enterprise; get Kirk's autograph. But while Kirk thinks Sisko is a nice guy, Spock points something out. Sisko is not a member of the crew.
Crossover - StarTrek: Deep Space Nine & StarTrek: The Original Series - Rated: K - English - Drama - Chapters: 1 - Words: 829 - Reviews: 1 - Favs: 15 - Follows: 7 - Published: 7/1/2022 - B. Sisko, J. Kirk, Spock - Complete
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