StarTrek: The Original Series Crossovers
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Power Trek by Defender of the Dogma
Alex, Julie, Jack, Katie. Zero Gee, Lightspeed, Mass Master, and Energizer. A vengefull alien curses Spock with four avatars of life. And they're it. Hunted by dangers they never imagioned, if a single one dies, Spock will too. But who better to have as avatars than superheros? Even if, after all, they haven't even finished grade school yet.
Crossover - StarTrek: The Original Series & Misc. Comics - Rated: K - English - Adventure/Sci-Fi - Chapters: 4 - Words: 3,363 - Published: 21h - P. Chekov, J. Kirk, L. McCoy, Spock
Harry Potter and the Final Frontier by TheBandit025
James T Kirk is on a mission to make his 3x great grandparents fall in love with each other before he is erased from existent on while on the mission. Ginny falls for James because Hermione took her Harry from her until she finds out James is Harry and Hermione's descendant. What is going to happened.
Crossover - StarTrek: The Original Series & Harry Potter - Rated: T - English - Romance/Adventure - Chapters: 3 - Words: 1,742 - Favs: 3 - Follows: 3 - Updated: 7/23 - Published: 7/18 - [Harry P., Hermione G.] J. Kirk
The Enterprise and the Doctor by denise3 reviews
The Enterprise, during its five-year mission under Captain Kirk, repeatedly meets a mysterious individual known as the Doctor. Amid growing threats to the Federation, they must decide whether to trust him, or not. Episode II: Investigation: The Enterprise arrives on New Sapienza looking for the Doctor, but there they'll find more than they hoped for.
Crossover - StarTrek: The Original Series & Doctor Who - Rated: T - English - Suspense/Sci-Fi - Chapters: 16 - Words: 35,263 - Reviews: 2 - Favs: 12 - Follows: 29 - Updated: 7/20 - Published: 10/8/2015 - J. Kirk, L. McCoy, Spock
Assignment:Exodus by skywatcher4
Gary Seven returns! Trapped above Earth in the year 1996, Ensign Harry Kim of the U.S.S. Voyager is recruited by the mysterious interstellar secret agent on a mission that could lead to the end of the most brutal conflict in Earth's history.
Crossover - StarTrek: Voyager & StarTrek: The Original Series - Rated: T - English - Sci-Fi - Chapters: 1 - Words: 7,753 - Published: 7/17 - Complete
Academia by Lightscales15
Sus compañeros de cuarto no se parecían en nada en absoluto a él... Tal vez funcionaria. Básicamente, lo que sucedería si James Kirk, Leonard McCoy y Spock fueran compañeros de cuarto en la Academia Estelar. AU, contiene elementos de ambos universos.
Crossover - StarTrek: The Original Series & Star Trek: 2009 - Rated: K+ - Spanish - Friendship - Chapters: 1 - Words: 1,200 - Published: 7/12 - J. Kirk, L. McCoy, Spock
Star Wars Star Trek Crossover by BryannaB709 reviews
Hey guys, remember that crossover that I promised you like a thousand years ago? Well, here it is! A strange anomaly appears in both the Star Wars and Star Trek universes and switches the rolls of some very important characters. Please R&R!
Crossover - Star Wars & StarTrek: The Original Series - Rated: K - English - Adventure/Sci-Fi - Chapters: 3 - Words: 1,881 - Reviews: 1 - Favs: 2 - Follows: 1 - Updated: 7/9 - Published: 3/5 - Luke S., Han S., J. Kirk, H. Sulu
Star Heroes by baja-king
It was a simple war until an unidentified flying object crashed in District XIII not too far away from a certain POW camp.
Crossover - StarTrek: The Original Series & Hogan's Heroes - Rated: T - English - Sci-Fi/Parody - Chapters: 8 - Words: 28,089 - Published: 7/3 - J. Kirk, R. Hogan
Unscrupulous by Susan Hilton reviews
Just for his own amusement, the Q transports Captain Christopher back to Kirk's Enterprise along with Rasmussen and encourages them to swipe a few items from a less observant original series crew, thus permanently altering history. If you want a new chapter, then please review.
Crossover - StarTrek: The Next Generation & StarTrek: The Original Series - Rated: T - English - Sci-Fi/Adventure - Chapters: 20 - Words: 24,324 - Reviews: 38 - Favs: 6 - Follows: 9 - Updated: 6/25 - Published: 7/16/2014 - Q, P. Chekov, Gary Seven, R. Lincoln
The Meeting by Matthew1985 reviews
A new story depicting the Second Coming of Christ in the 24 century
Crossover - StarTrek: The Original Series & Bible - Rated: K - English - Chapters: 11 - Words: 11,822 - Reviews: 8 - Favs: 2 - Follows: 2 - Updated: 6/18 - Published: 7/10/2013 - J. Kirk, Jesus - Complete
Dogs and Ponies in Space! by CacTusLoVer27
Remember that scene in The Cloud Minders where Kirk is forced to dig in the mines? Well, whoever said being a brony didn't have its advantages? A crack-y, plot-less tag where Rarity proves to be a great role model indeed, Jim's masculinity is grievously hurt in the process and Troglytes will never look at Starfleet captains the same way.
Crossover - StarTrek: The Original Series & My Little Pony - Rated: K - English - Humor - Chapters: 1 - Words: 1,175 - Published: 6/12 - J. Kirk, Rarity - Complete
Level of Displacement by JimKirk1 reviews
When the Enterprise from Star Trek 2009 is violently thrown into the prime universe, they must figure a way to get back, and face any threat that might stop from that goal.
Crossover - StarTrek: The Original Series & Star Trek: 2009 - Rated: K+ - English - Sci-Fi - Chapters: 1 - Words: 438 - Reviews: 2 - Favs: 8 - Follows: 12 - Published: 6/9 - J. Kirk, J. Kirk, Spock, Spock Prime
Friends Across Time by CarefulWithThatMic reviews
Kirk and his crew travel back in time to stop the Romulans. Kirk meets a blue eyed NCIS agent named Gibbs in a park in DC, and the two become fast friends.
Crossover - StarTrek: The Original Series & NCIS - Rated: K - English - Friendship - Chapters: 1 - Words: 2,349 - Reviews: 3 - Favs: 1 - Follows: 1 - Published: 5/28 - J. Kirk, Leroy Jethro Gibbs - Complete
Star Trek Endeavor: The Wrath of Caesar by mmulhollon
Julian Caesar is on the verge of whipping out an entire race and freeing a doctor that could potentially create more of him and it is up to Ender Wiggin and the crew of the Endeavor to stop him.
Crossover - StarTrek: The Original Series & Ender's Game - Rated: T - English - Sci-Fi/Adventure - Chapters: 1 - Words: 10,008 - Published: 5/27 - Khan S., Joachim W., Ender W., Petra A. - Complete
Star Trek Endeavor: Superior Intellect by mmulhollon
The Endeavor journey's deep into unexplored space to investigate what is causing a string of habitable planets to be destroyed, only for Ender to face his worst fears.
Crossover - StarTrek: The Original Series & Ender's Game - Rated: T - English - Sci-Fi/Adventure - Chapters: 1 - Words: 9,251 - Published: 5/20 - Khan S., Joachim W., Ender W., Petra A. - Complete
multiverso star trek, una historia by jer35mx
después de rescatar las biocapsulas alguien recuerda
Crossover - StarTrek: The Original Series & Star Trek: 2009 - Rated: T - Spanish - Sci-Fi - Chapters: 16 - Words: 8,632 - Updated: 4/4 - Published: 6/17/2014 - J. Kirk, L. McCoy, Spock, Uhura - Complete
Family by Lord Jeremy Silver reviews
"Yeah, but I've never had a home like this one. And I don't have a husband and kids, but these kids are mine...these are my children." says Spencer.
Crossover - StarTrek: The Original Series & Pretty Little Liars - Rated: T - English - Sci-Fi/Family - Chapters: 1 - Words: 2,310 - Reviews: 1 - Favs: 1 - Follows: 1 - Published: 3/31 - J. Kirk, Spencer H. - Complete
We come in peace by TFALokiwriter reviews
"We come in peace!" O'Neill shouted, waving his hand. A/N Set after Season 3 episode Seth.
Crossover - StarTrek: The Original Series & Stargate: SG-1 - Rated: K+ - English - Sci-Fi/Friendship - Chapters: 5 - Words: 15,549 - Reviews: 1 - Favs: 4 - Follows: 4 - Updated: 3/31 - Published: 3/25 - J. Kirk, L. McCoy, J. O'Neill, Teal'c - Complete
NCC-1701 by GeneratorCat reviews
His crew is sassy, that damn alarm won't turn off, and what the hell is this neon foam they serve in the mess hall? Captain Jason Todd has been in space far too long. Drabble series.
Crossover - StarTrek: The Original Series & Batman - Rated: K+ - English - Humor - Chapters: 4 - Words: 2,381 - Reviews: 1 - Favs: 8 - Follows: 8 - Updated: 3/11 - Published: 3/10 - Cassandra C., Jason T./Red Hood, Stephanie B., Timothy D./Red Robin
The Crystal Star by CLBONE13 reviews
Old Grudges cast long shadows
Crossover - Star Wars & StarTrek: The Original Series - Rated: T - English - Sci-Fi/Drama - Chapters: 2 - Words: 273 - Reviews: 1 - Updated: 3/8 - Published: 12/31/2010 - Lumiya, C. Pike
Star Trek Endeavor: Chaotic Catovens by mmulhollon
On their way towards Starbase 214 the Endeavor encounters a transport ship in trouble only when they arrive the crew of the Endeavor will encounter an unknown species that is a handful to both the Endeavor and the people on Starbase 214.
Crossover - StarTrek: The Original Series & Ender's Game - Rated: K - English - Sci-Fi/Adventure - Chapters: 1 - Words: 7,081 - Published: 3/4 - Joachim W., Ender W., Petra A. - Complete
Star Trek Endeavor: The Mountain by mmulhollon
Ender and Petra enjoy their short leave as the Endeavor undergoes repairs till they decided to go hiking up a mountain to discover that it is haunted and injuring anyone that tries to journey up it.
Crossover - StarTrek: The Original Series & Ender's Game - Rated: K+ - English - Drama/Adventure - Chapters: 1 - Words: 7,523 - Published: 2/25 - Ender W., Petra A. - Complete
Will you be my valentine? by TFALokiwriter reviews
Valentines day is here. An AU ending to Generations that was inspired by a theory on TV tropes.
Crossover - StarTrek: The Next Generation & StarTrek: The Original Series - Rated: T - English - Humor/Sci-Fi - Chapters: 1 - Words: 4,430 - Reviews: 1 - Published: 2/14 - [Q, J. Picard] [Spock, J. Kirk] - Complete
Tribbles on a TARDIS by sherlockian4evr reviews
So, in Star Trek, if you feed a tribble, it has babies, so they reproduce at an exponential rate. 11 finds one and takes it onto the TARDIS, sort of absent-mindedly petting it and cooing at it. He plops it down on the console and in about five minutes, has three more baby tribbles because they can feed off of the TARDIS' energy. Before you know it, he's hip deep in tribbles. IDK...
Crossover - StarTrek: The Original Series & Doctor Who - Rated: K - English - Humor/Sci-Fi - Chapters: 1 - Words: 602 - Reviews: 3 - Favs: 1 - Published: 2/13 - [Amelia P./Amy, Rory W.] 11th Doctor - Complete
Absolute Power by SuperBear reviews
A powerful being transports SG-1 to the "Enterprise,' sends Kirk and Spock to Cheyenne Mountain, and generally wreaks havoc on a timeline in which SG-1 paved the way for the Federation.
Crossover - StarTrek: The Original Series & Stargate: SG-1 - Rated: K - English - Chapters: 4 - Words: 9,614 - Reviews: 3 - Favs: 3 - Follows: 2 - Updated: 2/1 - Published: 1/11 - Complete
Space husbands by TFALokiwriter
Basically, Commander Taggart and a very pregnant Dr Lazarus find themselves on the Enterprise after a attack by some Meechans.
Crossover - StarTrek: The Original Series & Galaxy Quest - Rated: T - English - Sci-Fi/Family - Chapters: 1 - Words: 4,962 - Published: 1/22 - Complete
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