StarTrek: Other Crossovers
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The Return by fmfan1980 reviews
This is an alternate future AU to my 'An Extraordinary Journey' story. Atlantis detects an attacking force of unknown vessels heading for Earth, and a ship is sent from Pegasus to help in the planet's defence. Is this just a one off encounter to protect the ancestral home of Humanity, or the prelude to an unexpected return of old enemies? (25.2.20: Slight Edits to Ch26, 27 and 29)
Crossover - StarTrek: Other & Stargate: SG-1 - Rated: K+ - English - Chapters: 30 - Words: 180,897 - Reviews: 219 - Favs: 245 - Follows: 295 - Updated: 3/7/2021 - Published: 10/6/2016
Rift Runners Revenge by Brewski2444 reviews
The second novel of the Sands of Time Series Based on Star Trek but set mainly on Ravnica, then a. Bertram Chandler's Rim Worlds. Other realities do intrude from time to time...
Crossover - StarTrek: Other & X-overs - Rated: T - English - Sci-Fi/Fantasy - Chapters: 17 - Words: 77,227 - Reviews: 1 - Favs: 8 - Follows: 6 - Updated: 2/5/2021 - Published: 8/18/2010
Harry Potter and the Great Ascension by William Raymer
The timeline has been changed for Harry, Hermione and the rest of the wizarding world-now see how much it has changed in the final chapter of the trilogy!
Crossover - StarTrek: Other & Harry Potter - Rated: T - English - Romance/Adventure - Chapters: 2 - Words: 8,224 - Favs: 16 - Follows: 16 - Updated: 1/16/2021 - Published: 5/23/2020 - Harry P., Hermione G.
Missing Companion by stoveonfire reviews
Star Trek x Danny Phantom crossover. Danny somehow gets split into his Phantom and Fenton halves. While Fenton is indisposed, Phantom seeks out help from two Starfleet officers to help reunite him with his missing half. Can be read as pitch pearl or platonic since it's a bit ambiguous. Oneshot.
Crossover - StarTrek: Other & Danny Phantom - Rated: T - English - Sci-Fi/Adventure - Chapters: 1 - Words: 2,125 - Reviews: 3 - Favs: 12 - Follows: 9 - Published: 10/28/2020
Mass Trek by OrionArion reviews
A TNG era crossover between Star Trek and Mass Effect. Commander Shepard of the Federation starship Normandy has discovered that Saren is attempting to do what Starfleet has feared ever since the discovery of the Prothean Archives on Mars: facilitate the return of the Reapers. Now she has to gather her team to stop him and Sovereign, the vangaurd of our destruction.
Crossover - StarTrek: Other & Mass Effect - Rated: T - English - Chapters: 30 - Words: 77,594 - Reviews: 127 - Favs: 242 - Follows: 304 - Updated: 10/12/2020 - Published: 1/6/2013 - J. Garson, Garrus V.
Old Game, New Players by Argonaut57 reviews
Sent to investigate the loss of a Federation survey vessel, Captain Picard and the Enterprise-E are caught up in a centuries-old conflict between unknown civilisations. To prevent the Federation being dragged into the conflict, Picard must uncover the roots of an ancient rivalry that threatens to engulf the Galaxy. His ally - the enigmatic and irascible Major.
Crossover - Babylon 5 & StarTrek: Other - Rated: T - English - Sci-Fi/Adventure - Chapters: 6 - Words: 26,331 - Reviews: 20 - Favs: 28 - Follows: 29 - Updated: 9/23/2020 - Published: 6/24/2020 - Complete
A Thin Veneer by AlbertG reviews
Captain James T. Kirk Chancellor Gorkon rescues a group of Human refugees from the far side of the galaxy. That simple act of kindness will be the spark a war that ranges across the galaxy and reveal the thinness of the veil that separates civilization fr
Crossover - StarTrek: Other & Babylon 5 - Rated: T - English - Sci-Fi/Adventure - Chapters: 84 - Words: 449,627 - Reviews: 1816 - Favs: 1,209 - Follows: 1,021 - Updated: 9/8/2020 - Published: 7/3/2004 - Complete
Star Trek Battlefronts - Episode 5 by Daniel Greig reviews
This is Episode 5 of my new Star Trek Series.
Crossover - StarTrek: The Next Generation & StarTrek: Other - Rated: K - English - Chapters: 1 - Words: 5,170 - Reviews: 1 - Published: 8/19/2020
One-Shot Story Ideas Turned into Challenges 6: Code Geass X Scifi by raw666 reviews
Welp, I am sure you know the drill. This is a collection of ideas that I am likely will not writing any time soon due to time or skill restraints. So rather than let them rot in my head, I will be posting them here for anyone to take for themselves if interested. Each chapter will have a set of requirements, recommendations & one-shot piece. Specific fandoms listed in the title.
Crossover - Code Geass & StarTrek: Other - Rated: T - English - Drama/Suspense - Chapters: 6 - Words: 8,528 - Reviews: 4 - Favs: 10 - Follows: 9 - Updated: 8/4/2020 - Published: 8/27/2018 - Complete
Danni's story by Antonio Cabanas
In the Star Trek universe, the 21st Century was a very tumultuous time. How did the Slayer fare in this era?
Crossover - Buffy: The Vampire Slayer & StarTrek: Other - Rated: T - English - Supernatural/Sci-Fi - Chapters: 2 - Words: 3,656 - Favs: 1 - Follows: 2 - Published: 6/14/2020
Starfleet Regulation 28843 by ODST1 reviews
Substances unstable in an oxygen atmosphere must be handled with care.
Crossover - StarTrek: Other & She-Ra and the Princesses of Power - Rated: M - English - Sci-Fi - Chapters: 7 - Words: 69,536 - Reviews: 12 - Favs: 23 - Follows: 20 - Updated: 5/9/2020 - Published: 2/23/2020 - Adora/She-Ra, Catra, Mara/She-Ra, OC
Harry Potter and the Fountain of Possibilities by William Raymer reviews
Sequel to "Harry Potter and the Return of James T. Kirk"-Harry and the crew of Enterprise-A encounter an anomaly where anything can happen!
Crossover - StarTrek: Other & Harry Potter - Rated: T - English - Adventure/Romance - Chapters: 11 - Words: 17,493 - Reviews: 14 - Favs: 25 - Follows: 33 - Updated: 5/7/2020 - Published: 7/1/2008 - Harry P., Hermione G. - Complete
Star Trek Battlefronts - Episode 3 by Daniel Greig
A new ship is launched to help fight against Borg and Dominion threats. She is the first Carrier-Battleship and at over 4200 meters, makes even Borg cubes look small. The Alpha Quadrant comes under Borg attack again, this time with 7 Advanced Tactical Cubes. An 8 episode series.
Crossover - StarTrek: The Next Generation & StarTrek: Other - Rated: K - English - Chapters: 1 - Words: 7,172 - Published: 4/12/2020
Star Trek X Star Wars by Vexacus reviews
An unknown Human splinter group called the First Order emerges onto the galactic scene. What wil the Federation and the local powers in the Alpha Quadrant do when faced with this seemingly Human-Centric organisation
Crossover - Star Wars & StarTrek: Other - Rated: T - English - Sci-Fi - Chapters: 7 - Words: 13,525 - Reviews: 1 - Favs: 10 - Follows: 10 - Updated: 4/8/2020 - Published: 12/29/2019 - Captain Phasma, General Hux
Flight of the Vigilant by Argonaut57 reviews
In the dying days of 2155, the United Earth frigate 'Vigilant' is ambushed and destroyed on the edges of known space. The only survivors are a shuttle crew under the command of Lieutenant (jg) Diana Grassington. Under-supplied and unarmed, they begin the three-year trek to friendly space. Survival is unlikely, until they encounter a ship unlike any they have seen before...
Crossover - StarTrek: Other & Blakes 7 - Rated: T - English - Sci-Fi/Adventure - Chapters: 4 - Words: 16,237 - Reviews: 12 - Favs: 15 - Follows: 10 - Updated: 4/7/2020 - Published: 12/31/2019 - Complete
Star Trek Battlefronts - Episode 2 by Daniel Greig
This is Part 2 of the the series. A new ship and a new crew take off from where the next generation left off. The USS Leviathan is the largest ship ever created by Starfleet. A Battle Carrier. She was built to take on the Dominion and the Borg. Join her crew for the adventures they encounter.
Crossover - StarTrek: The Next Generation & StarTrek: Other - Rated: K - English - Chapters: 1 - Words: 6,731 - Favs: 1 - Follows: 1 - Published: 2/29/2020
Star Trek Battlefronts - Episode 1 by Daniel Greig reviews
A new ship is launched to help fight against Borg and Dominion threats. She is the first Carrier-Battleship and at over 4200 meters, makes even Borg cubes look small. The Alpha Quadrant comes under Borg attack again, this time with 7 Advanced Tactical Cubes. An 8 episode series.
Crossover - StarTrek: The Next Generation & StarTrek: Other - Rated: K - English - Chapters: 1 - Words: 6,253 - Reviews: 2 - Follows: 1 - Published: 2/1/2020 - Data, J. Picard, Worf
Another day Ruling a space city by Trinity2667 reviews
This is a story of my OC and guild in the star trek Universe. The Star Trek universe will meet all of the races from Yggdrasil. maybe a few from the stargate universe as well. The Q may get involved, The crew of the voyager will get a headache, and the myths will come to life. These are the voyages of the SG-CONQUEROR.
Crossover - Overlord/オーバーロード & StarTrek: Other - Rated: T - English - Sci-Fi/Adventure - Chapters: 2 - Words: 3,146 - Reviews: 10 - Favs: 16 - Follows: 25 - Updated: 1/26/2020 - Published: 1/22/2020 - OC
In the Key of Q by Vashti reviews
Q comes to retrieve, or otherwise finds and wants to return, Dawn the Key. Buffy doesn't take it well.
Crossover - Buffy: The Vampire Slayer & StarTrek: Other - Rated: K+ - English - Humor/Drama - Chapters: 1 - Words: 2,968 - Reviews: 1 - Favs: 5 - Follows: 3 - Published: 12/21/2019 - Buffy S., Dawn S., R. Giles - Complete
Tides of Change by Trekcross reviews
Will a Federation and Klingon Crew be able to work together as they discover another parallel Galaxy that is all Human, and a very different set of Technology.
Crossover - StarTrek: Other & Mechwarrior/Battletech - Rated: K+ - English - Sci-Fi - Chapters: 8 - Words: 22,747 - Reviews: 20 - Favs: 31 - Follows: 50 - Updated: 12/2/2019 - Published: 3/15/2017
The Story of Ranma & Usagi: The Last Mission! (Star Trek Saga) by Al-Ocramed reviews
The past collides with the future, resulting in the last mission of Captain Ranma Saotome of Starfleet! A short-take story. Part of the Story-verse Series. Cameo by Sailor Moon. Happy Halloween!
Crossover - StarTrek: Other & Anime X-overs - Rated: T - English - Adventure/Sci-Fi - Chapters: 1 - Words: 1,500 - Reviews: 1 - Favs: 3 - Follows: 2 - Published: 10/31/2019 - Complete
Riverside by penguin-empress
The small town of Riverside is thrown into chaos after the death of one of the rich and popular Mitchell twins on the 4th of July. As a new school year begins, nothing feels the same. James Kirk and his friends begin exploring the surrealism of small town life and all the darkness that lays just beneath Riverside's quaint facade.
Crossover - StarTrek: Other & Riverdale - Rated: M - English - Angst/Mystery - Chapters: 2 - Words: 16,612 - Published: 10/30/2019
The Gathering Storm by Chimera1123 reviews
Picard encounters the Protected Planets Coalition and the war between the Typhon Pact and the Kitohmer Alliance begins in earnest.
Crossover - StarTrek: Other & Stargate: SG-1 - Rated: K+ - English - Sci-Fi/Adventure - Chapters: 1 - Words: 1,654 - Reviews: 5 - Favs: 9 - Follows: 16 - Published: 10/26/2019
Dear Counselor Troi by zakhad reviews
Counselor Troi is sick of Starfleet, so she takes a job with Federation News Weekly writing an advice column. Since she obtained a waiver from the Department of Temporal Investigations, she accepts mail from all series in all timelines via a micro-wormhole. (Just work with me here, okay?) A work in progress. Suggestions will be added to the list of letters to write.
Crossover - StarTrek: The Next Generation & StarTrek: Other - Rated: K - English - Humor - Chapters: 6 - Words: 2,214 - Reviews: 1 - Favs: 1 - Published: 9/22/2019
Deusa Estelar by Carlos Abraham Duarte
Um ousado jovem cientista da Federação em busca dos segredos do Universo encontra a garota dos seus sonhos... Uma solitária garota-loba imortal, deusa e rainha de um mundo desaparecido, encontra uma rara alma gêmea... E um supervilão do passado da Terra é o maior obstáculo entre os dois... Em jogo, o futuro da Galáxia.
Crossover - StarTrek: Other & Spice and Wolf - Rated: T - Portuguese - Sci-Fi/Romance - Chapters: 7 - Words: 81,724 - Updated: 5/30/2019 - Published: 7/17/2014 - Holo
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