Harry Potter and Stargate: Atlantis Crossovers
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Alteran Sorcery by Mystic Sharman reviews
When Voldemort possessed Harry in the ministry atrium. The resulting battle at the centre of the mind. Cursed irreparable damage to Harry's magic. Forcing him to use the remaining dregs of material ability. To build anew and hope that his magic returns in some form. Voldemort's unmarked followers in the ministry managed to banish Harry from the Wizarding World.
Rated: M - English - Chapters: 2 - Words: 3,643 - Reviews: 9 - Favs: 54 - Follows: 74 - Updated: 8/9 - Published: 8/3 - [Harry P., OC] [Teyla E., Kanaan]
I'll Choose My Own Path by raspberry dreams reviews
Vernon and Petunia refuse to keep Harry, abandoning him with distant relatives. John embraces the idea of becoming a father to his abandoned cousin and takes him away to keep him safe. Is magic and Hogwarts going to be enough of an attraction to a boy who grew up on a seemingly almost sentient flying city in another galaxy.
Rated: T - English - Family - Chapters: 36 - Words: 187,897 - Reviews: 443 - Favs: 669 - Follows: 677 - Updated: 6/30 - Published: 6/2 - [John S., Rodney M.] Harry P., Albus D. - Complete
When Magic and Technology work together by J.K Holdenwood reviews
Just a tryout of what a AI can generate in just 2000 words. Added a new chapter to learn the manager engine. Story gets a bit different as it went to other way i wanted. So ithink i have to make it small tryout single chapters for the time being.
Rated: T - English - Sci-Fi/Adventure - Chapters: 2 - Words: 3,391 - Reviews: 6 - Favs: 5 - Follows: 5 - Updated: 6/27 - Published: 1/14 - Harry P., Hermione G. - Complete
Inter Astra by Zathara001 reviews
AU. Sequel to AD ASTRA PER MAGICAE. Part of Evil Author Day 2023. John and Harry make a discovery that changes the course of the Atlantis mission.
Rated: K+ - English - Chapters: 1 - Words: 3,844 - Reviews: 26 - Favs: 140 - Follows: 150 - Published: 2/14 - Harry P., Hermione G., John S. - Complete
Harry Potter and the Seat of Avalon by LGreymark reviews
After the siege of Atlantis new recruits are brought by the Daedalus to Atlantis, among them a married British couple. Lt. Colonel John Sheppard isn't quite sure what to make of Lieutenant Harry and Dr. Hermione Potter, but their inclusion into the Expedition came from on high which can only mean bad things... Harry/Hermione main pairing. MANY secondary pairings.
Rated: M - English - Sci-Fi/Adventure - Chapters: 3 - Words: 34,907 - Reviews: 81 - Favs: 570 - Follows: 851 - Updated: 12/3/2022 - Published: 10/17/2019
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
Rated: M - English - Sci-Fi/Adventure - Chapters: 5 - Words: 9,104 - Reviews: 18 - Favs: 99 - Follows: 118 - Updated: 4/3/2022 - Published: 12/12/2021 - [Harry P., Luna L.] [Lily Evans P., James P.]
Hoglantis: John Sheppard and the Ancient's Gambit by Salchat reviews
Three children meet on the train that will take them to their new lives at Atlantis Academy, a school for children who can use Ancient technology. For John Sheppard this is the beginning of a new and wonderful life, but he also learns that his past holds dark and terrifying secrets... [To be updated on Tuesdays and Fridays.]
Rated: K+ - English - Adventure/Friendship - Chapters: 22 - Words: 112,439 - Reviews: 36 - Favs: 13 - Follows: 13 - Updated: 6/11/2021 - Published: 3/28/2021 - Rodney M., John S., Teyla E. - Complete
Harry potter and the Ancients Rise by fantasywriter213 reviews
harry potter is gifted the powers and knowledge of moros. aka meridian aka Merlin how does this change the fate of a certin dark haired green eyes wizard? M for safety
Rated: M - English - Chapters: 2 - Words: 1,681 - Reviews: 14 - Favs: 63 - Follows: 87 - Updated: 12/16/2020 - Published: 11/26/2020
The Legacies We Leave Behind by GoWithTheFlo20 reviews
James and Lily Potter had seen something more than a monster, more than a thing, more than an it, an animal abandoned to die. They had seen something worth saving and had taken her in. That was, perhaps, the Tau'ri's biggest mistake. Wraith!Harry. Fem!Harry. Eventual Grey/Dark Harry. Dad!Todd. Harry/Multi.
Rated: M - English - Romance/Family - Chapters: 5 - Words: 33,518 - Reviews: 113 - Favs: 482 - Follows: 611 - Updated: 10/8/2020 - Published: 1/25/2019 - Harry P., Michael, Todd, Steve
Star Gate Atlantis with a Squib by Unicron The Destroyer3104 reviews
Harry Potter is a Squib. He finds Merlin who will take him on a trek that spans several galaxies!
Rated: T - English - Adventure/Sci-Fi - Chapters: 1 - Words: 256 - Reviews: 6 - Favs: 33 - Follows: 52 - Published: 5/28/2020 - Harry P., OC
Harry Potter and the Gates Address by StoogStories reviews
When Harry is killed by Voldemort at the end of his 7th year he meets dumbledore and someone else which leads him on a different path after he comes back. (Discontinued but up for adoption)
Rated: K - English - Supernatural/Sci-Fi - Chapters: 8 - Words: 4,527 - Reviews: 75 - Favs: 213 - Follows: 306 - Updated: 5/11/2020 - Published: 3/3/2019 - Harry P., Death, Teyla E., Hermione G.
Ad Astra Per Magicae by Zathara001 reviews
AU. John Sheppard's posting to Antarctica gets more interesting than he'd expected when he recognizes part of what they're working on as being similar to the Ancient Runes he'd once studied with his cousin Harry Potter.
Rated: T - English - Chapters: 14 - Words: 32,653 - Reviews: 249 - Favs: 1,149 - Follows: 1,091 - Updated: 4/13/2020 - Published: 3/30/2020 - Harry P., John S. - Complete
SG-Harry by feauxen reviews
Harry's been wandering the multiverse for some time, researching the mysteries of magic. When he comes across the SGC, he can't help but wonder why Ancient technology seems to work WITH magic instead of exploding on contact. This inevitably leads to all sorts of trouble, and a wizard in the Pegasus galaxy. Harry's a cheeky genius, but not the MoD or even overpowered. Much.
Rated: T - English - Adventure/Humor - Chapters: 12 - Words: 70,992 - Reviews: 498 - Favs: 1,776 - Follows: 2,547 - Updated: 2/23/2020 - Published: 6/22/2018 - Harry P., Elizabeth W., Rodney M., Radek Z.
Heir of the Alterans by MissValteria reviews
Betrayed, Harry Potter delves into a world of Technology and SC-FI as the Descendent of Janus. SG1/HP/STNG Crossover. Dark!Harry Powerful!Harry Alteran!Harry (WIP)
Rated: T - English - Sci-Fi/Fantasy - Chapters: 7 - Words: 7,222 - Reviews: 81 - Favs: 288 - Follows: 395 - Updated: 12/13/2019 - Published: 4/17/2019
Inheriting Knowledge by SciFiFantasyWriter1 reviews
How would things be different if an accident leads to Daniel Jackson going through big changes when Samantha Carter leaves Earth to take over the Atlantis expedition? Daniel has a major realization. Read the author's note at the beginning (very important). The Harry Potter part of this is very minor and doesn't come in until the very end. Almost pure Stargate story. Daniel/Sam
Rated: M - English - Romance/Sci-Fi - Chapters: 10 - Words: 69,480 - Reviews: 65 - Favs: 237 - Follows: 206 - Updated: 3/9/2019 - Published: 11/4/2018 - Complete
Harry Potter: Humanity's Last Hope - - - Reboot - - - by Emperor Vanquest reviews
Harry and Co not only happen upon the Ancient and Lanean Cityship Atlantis, but declares his and his Coven's independence from the Machinations of the prejudiced governments of Earth. When attempting to explore the greater galaxy gets derailed, due to the sabotage of the NID, how will the Coven react when faced with the Walking Dead and extinction of Humanity?
Rated: M - English - Sci-Fi/Adventure - Chapters: 1 - Words: 49,071 - Reviews: 47 - Favs: 391 - Follows: 337 - Published: 11/4/2018 - Complete
Adventure Of A Lifetime by JustAnotherObsessedFanPerson reviews
After You-Know-Who took over the Ministry Percy left the Magical world and ended up working for the SGC.
Rated: K - English - Chapters: 1 - Words: 3,202 - Reviews: 5 - Favs: 30 - Follows: 13 - Published: 11/2/2018 - Complete
The New Race by runick4 reviews
Harry Potter thought that he was a normal boy. Until a school trip to Glastonbury Tor reveals an ancestry and universe far greater than what he expected. Revamped version of Last Ancient. Not Slash Discontinued and open if anyone wants to use it or its concepts, I don't mind.
Rated: M - English - Adventure/Sci-Fi - Chapters: 6 - Words: 85,573 - Reviews: 327 - Favs: 1,596 - Follows: 2,067 - Updated: 8/6/2018 - Published: 7/28/2015 - Harry P. - Complete
Lunar Chaos by KissOfTheGrimm reviews
Up until today Hermione had never regretted her choices, everything she had experienced made her the woman she was, and she liked that woman very much. When she made the choice to come to Pegasus she was confident, but now she was beginning to rethink accepting her new position among the people of Atlantis. The magic here was stifling and thick, the lunar pull was constantly fluctu
Rated: M - English - Sci-Fi/Adventure - Chapters: 7 - Words: 20,859 - Reviews: 10 - Favs: 59 - Follows: 106 - Updated: 3/23/2018 - Published: 12/30/2014
Harry Potter and the Lost Ancients by warugaki reviews
AU After the final battle the Hallows give Harry dreams on how to fully unite them and it turns out that they are a hidden and updated repository of knowledge for the Lantean people. How will he lead the wizarding world to the stars? under rewrite...
Rated: M - English - Sci-Fi - Chapters: 18 - Words: 107,290 - Reviews: 403 - Favs: 1,370 - Follows: 1,710 - Updated: 2/19/2018 - Published: 8/12/2016 - Harry P., Parvati P., Padma P.
A New Hero in the Pegasus Galaxy by Capricorn7 reviews
A new hero has arrived in the Pegasus Galaxy. Read and learn about Harry Potter's adventures in the Pegasus Galaxy.
Rated: T - English - Adventure/Sci-Fi - Chapters: 2 - Words: 3,023 - Reviews: 40 - Favs: 171 - Follows: 235 - Updated: 7/23/2017 - Published: 5/31/2017
Stargate: Olympus by revamped20 reviews
AU, WBWL. The Horcruxes from Harry's scar was removed and sent to the goblins who dealt with most of them except for two; those were up to Dumbledore to deal with. But this is not a story about them it is about Harry Evans after the Atlantis Expedition came back to Earth with Atlantis and what happens afterwards.
Rated: T - English - Sci-Fi/Adventure - Chapters: 3 - Words: 9,002 - Reviews: 41 - Favs: 233 - Follows: 297 - Updated: 12/31/2016 - Published: 3/27/2014 - Harry P., Hermione G., Lily Evans P., OC
A wizard's adventure by rick001 reviews
Harry's quest to learn about the origin of magic leads him into discovering more of the universe than he could ever imagine and getting into trouble with aliens while unwittingly establishing an empire.
Rated: T - English - Adventure - Chapters: 1 - Words: 805 - Reviews: 17 - Favs: 113 - Follows: 150 - Published: 12/6/2016
Exploring Science with Magic by crossfire922 reviews
Harry Potter is banished from Earth by Voldemort and Dumbledore and it's only through providence that he winds up in Atlantis. Join Harry as he struggles to find a way back to his Earth and ends up saving a galaxy along the way.
Rated: T - English - Sci-Fi/Adventure - Chapters: 5 - Words: 20,342 - Reviews: 101 - Favs: 782 - Follows: 1,053 - Updated: 11/14/2016 - Published: 10/27/2016 - Harry P., Fred W.
Harry Goes to Atlantis by Sayu Blishtoka reviews
Harry defeats Voltomort and is "blessed" by both the God of Death and Magic herself, the only problem is Dumbledork doesnt like the fact that his weapon lived and is taking all his glory. So harry decides to move...off world.
Rated: M - English - Chapters: 3 - Words: 1,973 - Reviews: 35 - Favs: 234 - Follows: 339 - Updated: 10/24/2016 - Published: 10/30/2011 - Harry P.
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