Stargate: Atlantis Crossovers
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Battle of the three galaxies Apocalypse by c.jamous
the third installment of the series of movie , Apocalypse is a rich in events movie , will have many short chapters, hope you enjoy it . i advise you listen to the below music while reading it will help a lot " youtu . be /h3OpppJvbSs" remove the spaces to work
Crossover - Stargate: Atlantis & Avengers - Rated: K - English - Adventure/Sci-Fi - Chapters: 18 - Words: 15,366 - Favs: 1 - Follows: 2 - Updated: 11/1/2022 - Published: 3/10/2020 - Elizabeth W., David S./Sheppard, Dr. Strange/Stephen S., Carol Danvers/Captain Marvel
Stargate: Archangel, Pilot Episode by RogueTrace reviews
Jessica Martin encounters a Repository of the Ancients in the Colorado mountains, and begins her journey. This is the beginning of "Option 1" of the 5 that I've considered writing.
Crossover - Stargate: SG-1 & Stargate: Atlantis - Rated: T - English - Sci-Fi - Chapters: 2 - Words: 2,788 - Reviews: 4 - Favs: 17 - Follows: 27 - Published: 10/11/2022
Stargate Atlantis: The Robotech War - Re-Upload by StrikeFreedom11 reviews
Two universe, completely independent from one another, will collide. How will the Atlantis Expedition thrive with one of the greatest warships and some of the bravest and greatest soldiers from another Earth aiding them with their conflict with the Wraith and other threats? Who knows, but it is going to be an amazing ride regardless. Welcome, to Stargate Atlantis: The Robotech War.
Crossover - Robotech/Macross & Stargate: Atlantis - Rated: T - English - Sci-Fi/Adventure - Chapters: 27 - Words: 237,740 - Reviews: 28 - Favs: 104 - Follows: 100 - Published: 10/1/2022 - Lisa/Misa, Rick/Hikaru, Gloval, John S.
Stargate Atlantis: The Robotech War by Strikefreedom10 reviews
Two universe, completely independent from one another, will collide. How will the Atlantis Expedition thrive with one of the greatest warships and some of the bravest and greatest soldiers from another Earth aiding them with their conflict with the Wraith and other threats? Who knows, but it is going to be an amazing ride regardless. Welcome, to Stargate Atlantis: The Robotech War.
Crossover - Robotech/Macross & Stargate: Atlantis - Rated: T - English - Sci-Fi/Adventure - Chapters: 1 - Words: 161 - Reviews: 300 - Favs: 180 - Follows: 215 - Updated: 9/30/2022 - Published: 10/4/2018 - Lisa/Misa, Rick/Hikaru, Gloval, John S.
The Pegasus Intervention by kaln7 reviews
With the Covenant war over the UNSC can finally begin exploring the universe, but there first step outside their galaxy could lead them to another enemy that would prefer to feed on them instead of destroying them, can one ship survive in a galaxy teaming with an overwhelming enemy or will they get help from a group of humans who are also exploring the universe themselves.
Crossover - Halo & Stargate: Atlantis - Rated: T - English - Sci-Fi/Adventure - Chapters: 16 - Words: 136,471 - Reviews: 153 - Favs: 331 - Follows: 412 - Updated: 9/12/2022 - Published: 4/7/2017
Letters to Jack by FaerieMyst reviews
When a post-NCIS Tony DiNozzo is sent to Atlantis, unexpected changes are on the horizon.
Crossover - NCIS & Stargate: Atlantis - Rated: T - English - Chapters: 1 - Words: 10,774 - Reviews: 2 - Favs: 14 - Follows: 8 - Published: 9/10/2022 - Tony D., John S., Teyla E., R. Woolsey - Complete
Where I Belong by wereleopard reviews
Tony and Gibbs return to NCIS, but not alone. They have to deal with former teammates, former lovers, and aliens that are controlling people. Just another day for them. This is the sequel to 'Agent, really far, Afloat'.
Crossover - NCIS & Stargate: Atlantis - Rated: T - English - Romance/Drama - Chapters: 6 - Words: 11,583 - Reviews: 33 - Favs: 93 - Follows: 106 - Updated: 7/7/2022 - Published: 1/12/2021 - [Leroy Jethro Gibbs, Tony D.] [Rodney M., John S.] - Complete
Mechanical Warfare by CPB99 reviews
(Sequel to Rise of a new System Lord.). Four years after Jack ends the war with the Goa’uld, a new threat rises from the ashes of a formidable foe. Only he can stop it and to do so, he must leave home for Atlantis.
Crossover - Stargate: SG-1 & Stargate: Atlantis - Rated: T - English - Adventure - Chapters: 37 - Words: 22,469 - Reviews: 19 - Favs: 12 - Follows: 15 - Updated: 7/3/2022 - Published: 12/13/2021 - J. O'Neill, S. Carter, John S., Teyla E. - Complete
Stargate Salvation by Uni40 reviews
Stargate Salvation is a Time Travel fix it in Stargate, this is on a massive scale. The Aschen have destroyed Earth now the last Tau’ri takes revenge. I have place SGU on an accelerated timeline so that SGU season 1 and SGA season 5 take place simultaneously. This includes All of the Stargate Tv and movies except for Origins.
Crossover - Stargate: SG-1 & Stargate: Atlantis - Rated: K - English - Sci-Fi - Chapters: 2 - Words: 4,668 - Reviews: 10 - Favs: 36 - Follows: 46 - Updated: 5/22/2022 - Published: 5/21/2022 - J. O'Neill, Thor, Elizabeth W., Teyla E.
When Ends Meet by DarcimusBiggus reviews
"When we found him, there was one of those 1950's police telephone boxes next to him. I mean, one of the genuine ones from Earth. Real wood and all. Rodney tried to get in, but it was locked." When the Atlantis team finds a stranger in a suit on an uninhabited planet, they discover that there is a lot more to the universe than previously thought. T because I'm paranoid. ON HIATUS!
Crossover - Doctor Who & Stargate: Atlantis - Rated: T - English - Adventure/Sci-Fi - Chapters: 6 - Words: 3,575 - Reviews: 1 - Favs: 12 - Follows: 15 - Updated: 5/1/2022 - Published: 4/25/2022 - 10th Doctor, Elizabeth W., Rodney M., John S.
Beyond the Gate - Book 2 by Xeir Zith
Picking up exactly where book 1 left off. Tanith has to deal with the aftermath of her shot, and at the same time gets to return to Earth for some incredibly important issues. Ascretta is a huge world, and in has many new friends just waiting to be met. Rodney gets to use his cat care skills when a mother Furling arrives in Atlantis about to have her kittens. Radek names a jumper
Crossover - Stargate: Atlantis & Cats - Rated: M - English - Suspense/Adventure - Chapters: 1 - Words: 9,623 - Follows: 1 - Published: 4/29/2022 - Rodney M., Radek Z., OC, Mungojerrie
Stargate: Discordia by Sin Oan reviews
A Goa'uld scientist comes to Earth to warn the SGC about a plot being hatched by Osiris to restore Goa'uld supremacy over the galaxy. Can she be trusted, or are they being led into an elaborate trap?
Crossover - Stargate: SG-1 & Stargate: Atlantis - Rated: T - English - Sci-Fi/Adventure - Chapters: 20 - Words: 38,757 - Reviews: 10 - Favs: 30 - Follows: 38 - Updated: 4/14/2022 - Published: 6/4/2021 - OC
Voyage of the Cha’tahr by CPB99 reviews
Sequel to The Sixth Race: In a test flight gone wrong, Conrad gets send to the Pegasus Galaxy. In debt to his saviors he joins yet another war against an enemy possibly responsible for the extinction of his race. And he must survive being light-years away from his love.
Crossover - Stargate: SG-1 & Stargate: Atlantis - Rated: T - English - Sci-Fi/Adventure - Chapters: 27 - Words: 42,446 - Reviews: 3 - Favs: 9 - Follows: 6 - Updated: 4/4/2022 - Published: 7/13/2021 - OC, S. Carter, John S., Elizabeth W. - Complete
Harry Potter and The Secrets Of The Stars by PaulaB87 reviews
Harry finds that things are not as they seem. His parents are alive in another galaxy! That Vampires are on Earth and they actually come from a different galaxy as well. Follow his journey to right ancient wrongs and to set things right for a prosperous future This is a Harry Potter x Stargate x Twilight fanficition
Crossover - Harry Potter & Stargate: Atlantis - Rated: M - English - Sci-Fi/Adventure - Chapters: 5 - Words: 9,104 - Reviews: 17 - Favs: 96 - Follows: 114 - Updated: 4/3/2022 - Published: 12/12/2021 - [Harry P., Luna L.] [Lily Evans P., James P.]
The advantures of the Lanteans by Starranger2 reviews
AU. Vor 200 Jahren verschwand eine Expedition, 200 Jahre später taucht ein unbekanntes Volk in der Milchstraße auf.
Crossover - Stargate: SG-1 & Stargate: Atlantis - Rated: K - German - Sci-Fi/Adventure - Chapters: 4 - Words: 4,759 - Reviews: 5 - Follows: 1 - Updated: 3/29/2022 - Published: 2/23/2022
Atlantis Goes Home by I'm not the nerd. You are
Atlantis has been on Earth for months waiting on the decision of weather or not they can return to Pegasus. Everyone has been reassigned until confirmation can be made about what to do with Atlantis .
Crossover - Stargate: Atlantis & Stargate: SG-1 - Rated: K - English - Sci-Fi/Drama - Chapters: 2 - Words: 894 - Favs: 3 - Follows: 6 - Updated: 3/28/2022 - Published: 3/19/2022
the Essance of Silver and steel by warbreaker9901 reviews
(so I'm not great with summary's but here is an attempt) the Zeppo no more, A terror, a Hunter, a Commander of steel and a hope that will shake the hevans and the earth with a pounding march of silver. (i may change the summery also this is a YAHF also m for just in case)
Crossover - Buffy: The Vampire Slayer & Stargate: Atlantis - Rated: M - English - Adventure - Chapters: 2 - Words: 4,555 - Reviews: 2 - Favs: 16 - Follows: 31 - Updated: 3/10/2022 - Published: 1/21/2022
Cognizance by JadeMasonAuthor
Crossover AU. Joining the Atlantis expedition was something Amara had been looking forward to, despite the negative presence of her old colleague Dr. McKay. She knew what to expect. Wraith, potential death, lots of work. She was ready. Except for a charming Captain to swipe her off her feet on the way there.
Crossover - Naruto & Stargate: Atlantis - Rated: M - English - Romance/Sci-Fi - Chapters: 4 - Words: 12,405 - Favs: 3 - Follows: 1 - Updated: 3/1/2022 - Published: 1/4/2022 - [Shisui U., OC] Elizabeth W., Rodney M.
Connections by JadeMasonAuthor
Crossover AU. Settling in the city of the ancestors with her best friend changed her life. Wraith, tech beyond her understanding, wonders she didn't even have words for. The one thing she hadn't expected, however, was a charming Lieutenant to steal her focus.
Crossover - Naruto & Stargate: Atlantis - Rated: T - English - Romance/Sci-Fi - Chapters: 1 - Words: 2,809 - Favs: 1 - Published: 2/22/2022 - [Shisui U., OC] Itachi U., Elizabeth W.
Stargate: Dark Empire by Commmander Nash reviews
Six months after the return of the Destiny Expedition, the Milky Way Galaxy has been plenty of changes for the better. But in the Pegasus Galaxy, a new threat is rising. Soon, Colonel Vale and the crew of Spera find themselves heading out to come to the aide of Atlantis and her allies...
Crossover - Stargate: SG-1 & Stargate: Atlantis - Rated: M - English - Sci-Fi/Adventure - Chapters: 30 - Words: 68,581 - Reviews: 4 - Favs: 16 - Follows: 19 - Updated: 2/17/2022 - Published: 5/8/2021 - Jonathan O., John S., Laura C., Amelia B.
Beyond the Gate by Xeir Zith reviews
The last thing Tanith remembered was Cameron cracking a very bad joke and Daniel cracking up in laughter. The next thing she knows is that she has a splitting headache and is in the dark, literally. As she unravels where she is, she finds out things she would rather not know. The SGC and Atlantis learn more of who the Furlings really are, and where they were hiding all that time
Crossover - Stargate: Atlantis & Cats - Rated: M - English - Sci-Fi/Fantasy - Chapters: 23 - Words: 158,173 - Reviews: 7 - Favs: 2 - Follows: 3 - Updated: 2/11/2022 - Published: 8/9/2021 - Rodney M., Radek Z., Tantomile, OC - Complete
The Connection by Keikokin
Previously posted at Wraithbait. John Sheppard is about to find the real reason behind having the ancient genes. Slash warning! Some het too. Requested by Revenantzero. Thanks to Nefernat. Also published under my second nom de plume, Kenaf.
Crossover - Stargate: SG-1 & Stargate: Atlantis - Rated: M - English - Romance - Chapters: 19 - Words: 35,804 - Favs: 16 - Follows: 6 - Published: 2/1/2022 - D. Jackson, J. O'Neill, Rodney M., John S. - Complete
Well That's a Surprise by midnightread reviews
There's a surprise visit from Earth which leads to a few surprises for Sam and SGA1.
Crossover - Stargate: SG-1 & Stargate: Atlantis - Rated: K+ - English - Chapters: 1 - Words: 3,195 - Reviews: 5 - Favs: 9 - Follows: 6 - Published: 1/27/2022 - Complete
Stargate: Victorious by Lord Jeremy Silver reviews
The city-ship Atlantis is on its way back to the Pegasus galaxy. After many years the ship has finally been repaired and equipped with a full set of fresh ZPMs. Commander of the city is now US Army General Jade Sharonna West, a 45 year old woman. She was selected for this assignment by the president himself.
Crossover - Stargate: Atlantis & Victorious - Rated: M - English - Chapters: 1 - Words: 11,494 - Reviews: 3 - Favs: 2 - Follows: 3 - Published: 1/18/2022 - OC, Jade W., Beck O., OC - Complete
Conte de noël by atlantis-des-etoiles reviews
Petit recueil des courtes fanfics écrites pour mon calendrier de l'avant stargate . De la neige, de l'esprit de noël, de vieilles ruines, quelques wraiths, et nos équipes d'explorations préférées. Histoires sur SG-1, SGA et SGU.
Crossover - Stargate: SG-1 & Stargate: Atlantis - Rated: K - French - Adventure - Chapters: 10 - Words: 6,606 - Reviews: 6 - Favs: 4 - Follows: 1 - Updated: 1/8/2022 - Published: 12/3/2017 - D. Jackson, John S., Teyla E. - Complete
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