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by Seraphin2011 reviews
Book III: The Ori gone, Aschen imprisoned, Wraith changed and pacified, yet the Alliance is threatened once more. The Vargas are coming and no one knows how they are going to survive an enemy that spans throughout the known universe and had done so for billions of years. By closing the anomalies, they have postponed the invasion by more than two years, but will that be enough?
Stargate: SG-1 - Rated: T - English - Sci-Fi/Adventure - Chapters: 26 - Words: 366,203 - Reviews: 404 - Favs: 456 - Follows: 517 - Updated: 5/6 - Published: 1/12/2017 - S. Carter, J. O'Neill
The Stargate Initiative: REVISED EDITION
by Sciencefictionsquirrel reviews
An AU stargate story where Ernest arrives at a Heliopolis that still has a functional DHD and manages to stay in touch with the team on Earth. This is the story of how a small event forever changes the fates of worlds and galaxies.
Stargate: SG-1 - Rated: T - English - Sci-Fi/Adventure - Chapters: 37 - Words: 140,482 - Reviews: 333 - Favs: 460 - Follows: 597 - Updated: 6/28/2021 - Published: 5/6/2016
by TheNewJeniferChurch reviews
Harry runs away to America and eventually joins the Air Force under an assumed name. He ends up on SG-20, and is captured by Herur. His host is damaged, so he tries to take Harry as a replacement. Big mistake. Chapter 3 is up.
Crossover - Stargate: SG-1 & Harry Potter - Rated: T - English - Adventure/Drama - Chapters: 5 - Words: 18,707 - Reviews: 241 - Favs: 1,235 - Follows: 2,104 - Updated: 5/2/2021 - Published: 1/24/2019 - S. Carter, D. Jackson, J. O'Neill, Harry P.
by ResurgentClone reviews
The Lucian Alliance is defeated, the line has been held against the Wraith in orbit around Earth. Now it's time for Atlantis to yield it's secrets.
Crossover - Stargate: SG-1 & Mass Effect - Rated: T - English - Sci-Fi - Chapters: 14 - Words: 27,003 - Reviews: 273 - Favs: 428 - Follows: 587 - Updated: 6/2/2020 - Published: 9/26/2012
by Lordheaven reviews
AU/DS9/TNG/SGC: The war with the Dominion takes a turn for the worse. The sudden cry for help from the Q Continuum diverts the Federation's attention to investigate a mystery buried deep into Earth's past: a secret so dangerous that it divides the Earth in two and reshapes the galaxy.
Crossover - StarTrek: The Next Generation & Stargate: Atlantis - Rated: T - English - Sci-Fi/Mystery - Chapters: 20 - Words: 148,474 - Reviews: 219 - Favs: 175 - Follows: 217 - Updated: 8/25/2019 - Published: 2/5/2013 - Complete
Earth Is But An Idea
by OPYKJ reviews
If there is one law common to all worlds that ever existed, it is that nobody can remain in the wrong universe without suffering consequences. Kathryn Janeway learns that lesson the hard way when she finds herself centuries in the past in a world with stargates and no way back to her ship, but for the help of a certain Major Samantha Carter.
Crossover - StarTrek: Voyager & Stargate: SG-1 - Rated: T - English - Adventure/Sci-Fi - Chapters: 14 - Words: 46,393 - Reviews: 88 - Favs: 134 - Follows: 161 - Updated: 7/27/2019 - Published: 1/31/2019 - Chakotay, K. Janeway, S. Carter, J. O'Neill - Complete
Atlantis Returns to Active Duty
by cmscaevola reviews
Colonel Carter, back in command of Atlantis, has discovered how to make ZPMs. It is now completely possible to make an unlimited amount of them. Not only does Atlantis go on the offensive as a front line vessel but also every ship in the fleet is now equipped with at least one ZPM. This unimaginable amount of power will change the fates of two galaxies.
Stargate: Atlantis - Rated: T - English - Sci-Fi/Fantasy - Chapters: 11 - Words: 30,152 - Reviews: 44 - Favs: 46 - Follows: 78 - Updated: 7/9/2019 - Published: 12/4/2018 - S. Carter/Sam, David S./Sheppard
A Hope for the Future
by zheuse reviews
The Endeavor Project was a chance for a father to give a future for his children and grandchildren, away from the chaos of the wars and governments of the Empire and New Republic. The politics may be different, but enemies will always exist, and maybe allies as well. PROLOGUE AND CHAPTER 32 POSTED
Crossover - Star Wars & Stargate: Atlantis - Rated: T - English - Sci-Fi - Chapters: 33 - Words: 80,117 - Reviews: 87 - Favs: 134 - Follows: 158 - Updated: 11/12/2018 - Published: 2/26/2018
Odyssey: The Journey Home
by fmfan1980 reviews
As the Odyssey find her way into the hyperspace window when Orilla blows up, the crew of the Odyssey find themselves in another reality. Now, the question becomes how do they get back home for their own war against the Ori. (30.08.2018: I will be doing a lot of re-edits from Chapter 1 onwards. The rest of the chapters are being deleted until I can finish rewriting them.)
Crossover - StarTrek: Deep Space Nine & Stargate: SG-1 - Rated: K+ - English - Chapters: 1 - Words: 5,200 - Reviews: 205 - Favs: 340 - Follows: 499 - Updated: 9/1/2018 - Published: 1/3/2017
Gates of the Universe
by Redemption's Avenger reviews
Two months after Midnight, the Allies are exploring again, and have formed fleets to look outwards. One of those fleets finds a discovery greater than the Dyson Spheres. And part of that discovery sends them across Universes. Faced with a religion that demands all unbelievers dead, they put their lives on the line to defend a galaxy in need, and their actions will change history.
Crossover - Stargate: SG-1 & Star Trek Online - Rated: T - English - Suspense/Sci-Fi - Chapters: 8 - Words: 35,744 - Reviews: 20 - Favs: 50 - Follows: 60 - Updated: 4/7/2018 - Published: 9/17/2015 - S. Carter, C. Mitchell
Unfettered Curiosity Is A Dangerous Thing Don't Touch That!
by A Dwimor reviews
While exploring Slytherin's hidden library, Harry accidently activates a portkey, and finds himself transported to a strange facility housing something called a Stargate.
Crossover - Stargate: SG-1 & Harry Potter - Rated: T - English - Humor/Adventure - Chapters: 5 - Words: 4,557 - Reviews: 91 - Favs: 321 - Follows: 586 - Updated: 1/8/2018 - Published: 10/4/2017
by Drakenn reviews
Future of Earth looks grim as enemies across galaxies plot its destruction, but there is some hope. Small, bright spark of hope that can bring to Tau'ri and its allies their salvation. Join Stargate Program on its road into the future. AU, set after the Universe.
Crossover - Stargate: SG-1 & Stargate: Atlantis - Rated: T - English - Adventure - Chapters: 8 - Words: 22,618 - Reviews: 46 - Favs: 78 - Follows: 105 - Updated: 10/28/2017 - Published: 3/13/2017
SG1 Comes to Sunnydale
by Kerrain reviews
This story is No. 3 in the series "Nexus of Chaos". When an old friend of Daniel's posts on the internet looking for information about Ra, Jaffa and Teleportation SG1 is sent to investigate. Please have read Xander and the Ferula-Gemina to Chapter19 or this won't make much sense.
Crossover - Buffy: The Vampire Slayer & Stargate: SG-1 - Rated: T - English - Sci-Fi - Chapters: 16 - Words: 147,163 - Reviews: 51 - Favs: 169 - Follows: 201 - Updated: 6/26/2017 - Published: 8/19/2016
Sphinxes and Astrea Portas
by The Sithspawn reviews
Searching for the Sangraal, SG1 travels to a world from the Ancient database. Surprises abound and once more Daniel's perspective on world history is tipped on its head.
Crossover - Gargoyles & Stargate: SG-1 - Rated: T - English - Fantasy/Sci-Fi - Chapters: 16 - Words: 31,986 - Reviews: 262 - Favs: 247 - Follows: 283 - Updated: 1/17/2017 - Published: 10/7/2007 - OC, D. Jackson
Another star, another galaxy Book 1
by bruce460 reviews
Since arriving on Destiny they have always struggled to survive, ether by lack of air, food, or water. Long before they arrived, outside forces were trying to capture or destroy the ship. Built by an ancient race millions of years ago sent on a long journey of discovery in the direction of the center of the universe
Crossover - Stargate: Universe & Stargate: SG-1 - Rated: K - English - Sci-Fi - Chapters: 1 - Words: 47,330 - Reviews: 10 - Favs: 18 - Follows: 20 - Published: 8/31/2016 - Complete
by W1553 reviews
When a star goes supernova Dr. Daniel Jackson gets sent away to a galaxy far far away... How will he survive? Will he ever be able to get back? Or is he simple done for. This is just for fun, so it's not all to serious. Some characters you may see: Revan, Anakin, Luke, Yoda, Obi-Wan, Padme, Ahsoka and Ventress. Formerly known as Daniels Adventure: Champion of the Trickster. (WIP)
Crossover - Star Wars & Stargate: SG-1 - Rated: T - English - Adventure/Sci-Fi - Chapters: 14 - Words: 70,858 - Reviews: 105 - Favs: 149 - Follows: 172 - Updated: 12/9/2014 - Published: 9/19/2013 - D. Jackson
Hannah O'Neill Pt3
by AvaC reviews
The Clone that SG1 got instead of Fruit Basket for saving the world and universe what not returns to Atlantis... what trouble will the girl get herself into now? OC story.. SGA-Season 4 with SG1 characters making appearances! (Warning slightly OCish Ronon.. he talks more..)
Stargate: Atlantis - Rated: M - English - Chapters: 40 - Words: 176,485 - Reviews: 36 - Favs: 50 - Follows: 62 - Updated: 7/7/2014 - Published: 12/5/2011 - OC, S. Carter/Sam, Ronon D., John S.
Three years and Counting
by eragonone reviews
Eli has been left alone on Destiny...What is he going to do with himself
Stargate: Universe - Rated: K - English - Sci-Fi/Fantasy - Chapters: 33 - Words: 85,679 - Reviews: 66 - Favs: 91 - Follows: 103 - Updated: 7/23/2013 - Published: 8/10/2012 - Eli W.
by paracordmuch reviews
Everybody on Destiny has gone into stasis, except for Eli. In his time, he makes an important discovery.
Stargate: Universe - Rated: K+ - English - Sci-Fi - Chapters: 3 - Words: 3,422 - Reviews: 9 - Favs: 9 - Follows: 16 - Updated: 9/28/2012 - Published: 9/24/2012
It's a new galaxy
by The Sithspawn reviews
Sequel to Little Lost Girl and Battle of Atlaris. In the aftermath of Tutu's attack, new alliances and friendships are formed as the beginning of a new order forms in the Milky Way galaxy.
Crossover - Star Wars & Stargate: SG-1 - Rated: T - English - Sci-Fi - Chapters: 1 - Words: 774 - Reviews: 28 - Favs: 67 - Follows: 97 - Published: 6/11/2010 - Jaina S.