StarTrek: The Original Series Crossovers
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Absolute Power by SuperBear
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 - Favs: 1 - Follows: 1 - Updated: 2/1 - Published: 1/11 - Complete
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 to see a new chapter, then please review.
Crossover - StarTrek: The Next Generation & StarTrek: The Original Series - Rated: T - English - Sci-Fi/Adventure - Chapters: 17 - Words: 20,183 - Reviews: 29 - Favs: 6 - Follows: 8 - Updated: 1/31 - Published: 7/16/2014 - Q, P. Chekov, Gary Seven
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
Star Trek Endeavor: Ender's Cage by mmulhollon
After dealing with Gary Mitchell and failing to breach the Galactic Barrier the Endeavor is heading towards Starbase 11 till they received a transmission from a ship that crashed over 22 years ago on Talos IV. Once they arrive they will find out that there is something that they should worry greatly including Captain Ender Wiggin.
Crossover - StarTrek: The Original Series & Ender's Game - Rated: K - English - Sci-Fi/Adventure - Chapters: 1 - Words: 10,639 - Published: 1/18 - Joachim W., Ender W., Petra A. - Complete
V'Ger's Return by Avoc reviews
During the Earth Minbarri War a visitor from beyond the Galaxy returns home to Earth and resurrects John Sheridan from the wreckage of the Lexington. (Any help and advise would be welcome on where the story is going.)
Crossover - Babylon 5 & StarTrek: The Original Series - Rated: K - English - Sci-Fi - Chapters: 2 - Words: 1,157 - Reviews: 9 - Favs: 9 - Follows: 18 - Updated: 1/16 - Published: 11/20/2014
The Enterprise and the Doctor by denise3
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. OBS: Next episode is due on February 2016. There will be two short chapters before that.
Crossover - StarTrek: The Original Series & Doctor Who - Rated: T - English - Mystery/Sci-Fi - Chapters: 9 - Words: 20,912 - Favs: 7 - Follows: 16 - Updated: 1/15 - Published: 10/8/2015 - J. Kirk, L. McCoy, Spock
Star Trek Endeavor: Limits by mmulhollon
The USS Endeavor under the command of Captain Andrew "Ender" Wiggin is bound for its first mission only that it will change one of the crew to have god like powers and threaten the rest of the crew.
Crossover - StarTrek: The Original Series & Ender's Game - Rated: K+ - English - Sci-Fi/Adventure - Chapters: 1 - Words: 11,194 - Published: 1/13 - Joachim W., Ender W., Petra A. - Complete
You are never alone by TFALokiwriter
Instead of Spock being alone on Delta Vega. . . He isn't alone in this AU Fix it. He has a old friend. The universe can't stand Spock being alone, damn it!
Crossover - StarTrek: The Original Series & Star Trek: 2009 - Rated: T - English - Sci-Fi/Family - Chapters: 1 - Words: 10,117 - Published: 1/8 - [J. Kirk, Spock Prime] - Complete
Old T'hy'la by TFALokiwriter
This story was inspired by /art/TOS-The-Return-151714604 Another fix it, basically, because I was browsing DeviantArt on a Spirk picture and here I found that beauty. Except this fix it starts out differently rather than Kirk Prime being brought into the AOS and instead, it's Spock Prime who goes after Kirk Prime. Isn't that sweet or what?
Crossover - StarTrek: The Original Series & Star Trek: 2009 - Rated: K+ - English - Family/Friendship - Chapters: 1 - Words: 1,567 - Favs: 1 - Published: 1/8 - [J. Kirk, Spock Prime] [J. Kirk, Spock] - Complete
Han's Deception by Prince Insomnia reviews
3 warriors must defeat a strong captain in order to save the universe. Trust me, it's worth a read, you'll be missing out. Do it...Do it...DO IT!
Crossover - Star Wars & StarTrek: The Original Series - Rated: T - English - Sci-Fi/Humor - Chapters: 1 - Words: 616 - Reviews: 1 - Published: 1/8 - Complete
Selvek by TheLittleDevilsMom reviews
What if another reallity was made? Spock had a son who was in danger so to keep him alive the mother sent him somewhere safe to hide. Not long after she was killed and spock was left alone and determined to find him. Now he just hopes his son can stay hidden and safe until he can follow the hidden bread crumbs back to him in secret. Will Spoke make it before his mates murderes?
Crossover - Harry Potter & StarTrek: The Original Series - Rated: T - English - Chapters: 2 - Words: 2,750 - Reviews: 1 - Favs: 4 - Follows: 12 - Published: 1/4 - Harry P., Spock
The Trouble with Smegheads by Mr.Demon2662
While in Starbug searching for derelict ships, the Boys from the Dwarf encounter a Constitution-class starship. Will they use their new found gift wisely or will they screw it up like always? If I had to wager on it, I'd reckon it'll be Rimmer who'll drop a clanger on this one. He's got smeg-for-brains, you know.
Crossover - StarTrek: The Original Series & Red Dwarf - Rated: K - English - Sci-Fi/Humor - Chapters: 1 - Words: 6,197 - Favs: 1 - Published: 1/3 - Cat, Kryten, Lister, D., Rimmer, A. - Complete
Harry's Big Brother by Lucillia reviews
When James and Lily visit a fertility clinic in 1979 in order to help nature take its course, they end up bringing a certain eleven year-old boy home with them for the Summer. As a result, Harry ends up with a "Big Brother" who - despite being a muggle - could potentially make Voldemort look like an abject failure.
Crossover - StarTrek: The Original Series & Harry Potter - Rated: T - English - Chapters: 7 - Words: 11,701 - Reviews: 167 - Favs: 539 - Follows: 733 - Updated: 1/3 - Published: 3/11/2013 - Khan S., Harry P.
Fairly Odd Star Meeting by QueenTasha7
Deep in the universe, the Star Ship Enterprise encounters a strange green man floating around shouting cries of excitement! Meanwhile, Cosmo is flying around in space and discovers a large floaty ship thingy. The crew off the Star Ship Enterprise decides to find out what's going on so Cosmo poofs himself, Wanda, and Timmy onto the ship! Will Wanda kill Cosmo?
Crossover - Fairly OddParents & StarTrek: The Original Series - Rated: K - English - Humor - Chapters: 1 - Words: 1,578 - Published: 12/31/2015
Ultimate Q by mynamemattersnot reviews
Q returns to mess with the crew of the Enterprise and the crew of the original Enterprise and they must work together to figure out a way to truly stop him. Problem is it might be impossible. Or is it?
Crossover - StarTrek: The Next Generation & StarTrek: The Original Series - Rated: T - English - Humor - Chapters: 10 - Words: 4,729 - Reviews: 20 - Favs: 1 - Follows: 1 - Updated: 12/31/2015 - Published: 9/3/2015 - Complete
Transcendence by Princepen reviews
AU-Synopsis: Events in this story span between 2278 (Star Trek the Motion Picture) to 2365 (2nd season TNG). Meeting in 2339, Picard and Guinan travel into the past to deliver on Q's promise for redemption against the Borg, but their plans are upended. Together with Kirk and the crew of the Enterprise they must battle a deadly enemy and prevent the future from being lost.
Crossover - StarTrek: The Next Generation & StarTrek: The Original Series - Rated: T - English - Sci-Fi/Adventure - Chapters: 9 - Words: 18,955 - Reviews: 8 - Favs: 2 - Follows: 3 - Updated: 12/26/2015 - Published: 3/17/2015
A Vulcan in a high King's Court by Narniaheartedgirl45
This is about Spock going to Narnia! This is a what if from Mark Twain book A Connecticut Yankee in King Arthur's Court. I hope you enjoy Lenard Nimoy as much as I do and the rest of the gang, yes including William Shatner as Captain Kirk. Also please enjoy meeting the Kings and Queen of Narnia.
Crossover - StarTrek: The Original Series & Chronicles of Narnia - Rated: K - English - Adventure/Spiritual - Chapters: 2 - Words: 1,906 - Published: 12/21/2015
Maybe being stuck here isn't too bad by TFALokiwriter
This is a short story, instead of Kirk going in there alone Spock goes with. Why and how this is possible? Just take a peak. This story basically fixes . . . Kirk being alone in the Nexus for so long.
Crossover - StarTrek: The Next Generation & StarTrek: The Original Series - Rated: T - English - Family/Humor - Chapters: 1 - Words: 1,150 - Published: 12/19/2015 - J. Picard, J. Kirk, Spock - Complete
LLAP Tribute by BrokenChosenofEva reviews
A short tribute to Leonard Nimoy, our favorite Vulcan. Set on Earth, I hope you enjoy.
Crossover - StarTrek: The Next Generation & StarTrek: The Original Series - Rated: K+ - English - Sci-Fi - Chapters: 1 - Words: 485 - Reviews: 4 - Favs: 1 - Follows: 1 - Published: 12/15/2015 - Spock - Complete
Chaos on the Enterprise by KileeWhats
Captain Kirk gets more than he bargains for when he is ordered by the Federation to transport certain members of Akatsuki to a planet to crush a rebellion there. Reviews welcome.
Crossover - StarTrek: The Original Series & Naruto - Rated: K - English - Parody/Humor - Chapters: 1 - Words: 1,732 - Published: 12/14/2015
The Voice by cojack reviews
Three Federation citizens meet for an unknown purpose after a quadrant-wide search by Star Fleet.
Crossover - StarTrek: The Next Generation & StarTrek: The Original Series - Rated: K - English - Sci-Fi - Chapters: 1 - Words: 1,139 - Reviews: 1 - Favs: 1 - Published: 12/10/2015 - Lwaxana T., C. Chapel, Number One - Complete
3 could have beens by TFALokiwriter
What if there was a second war between the M and Q? What if this featured the 'original' version that frankly never met Jean-Luc Picard, Kathyn Janeway, and Benjamin Sisko to name a few. This is told in Q's perspective.
Crossover - StarTrek: The Next Generation & StarTrek: The Original Series - Rated: T - English - Sci-Fi/Humor - Chapters: 1 - Words: 22,655 - Published: 12/7/2015 - J. Picard, Q, J. Kirk, H. Sulu - Complete
lovely rita meeeeeeeeeat her maid by whatthenesmith
the monkees go on a stroll in the bridge to the enterprise
Crossover - StarTrek: The Original Series & Monkees - Rated: K - English - Humor - Chapters: 1 - Words: 307 - Published: 11/28/2015 - Spock, H. Sulu, Mike, Peter
Welcome to the Jam by Arglefumph
While travelling in space, Captain Kirk discovers the planet Moron Mountain. He soon finds himself playing basketball, in order to save the lives of his crew. Can Captain Kirk perform the ultimate basketball maneuver in order to save everyone?
Crossover - StarTrek: The Original Series & Space Jam - Rated: K - English - Humor - Chapters: 1 - Words: 1,099 - Published: 11/28/2015 - J. Kirk
A Christmas Tribble by ElliotJA reviews
On his way to visit relatives for the festive season, Admiral James Kirk has an interesting encounter with some Klingons.
Crossover - StarTrek: The Original Series & Star Trek: 2009 - Rated: K - English - Chapters: 1 - Words: 2,147 - Reviews: 1 - Favs: 1 - Published: 11/17/2015 - J. Kirk, L. McCoy, Peter K., George K. - Complete
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