25 Hoglantis: John Sheppard and the Ancient's Gambit » by Salchat 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.]
K+, English, Adventure & Friendship, chapters: 13, words: 62k+, favs: 2, follows: 7, updated: 14h published: 3/28, Rodney M., John S., Teyla E.
5 Star Gate Atlantis with a Squib by Unicron The Destroyer3104 Harry Potter is a Squib. He finds Merlin who will take him on a trek that spans several galaxies!
T, English, Adventure & Sci-Fi, words: 256, favs: 26, follows: 42, 5/28/2020, Harry P., OC
68 Harry Potter and the Gates Address » by StoogStories 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)
K, English, Supernatural & Sci-Fi, chapters: 8, words: 4k+, favs: 191, follows: 283, updated: 5/11/2020 published: 3/3/2019, Harry P., Death, Teyla E., Hermione G.
216 Ad Astra Per Magicae » by Zathara001 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.
T, English, chapters: 14, words: 32k+, favs: 799, follows: 870, updated: 4/13/2020 published: 3/30/2020, Harry P., John S.
455 SG-Harry » by feauxen 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.
T, English, Adventure & Humor, chapters: 12, words: 70k+, favs: 1k+, follows: 2k+, updated: 2/23/2020 published: 6/22/2018, Harry P., Elizabeth W., Rodney M., Radek Z.
74 Heir of the Alterans » by MissValteria 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)
T, English, Sci-Fi & Fantasy, chapters: 7, words: 7k+, favs: 232, follows: 329, updated: 12/13/2019 published: 4/17/2019
5 Adventure Of A Lifetime by JustAnotherObsessedFangirl After You-Know-Who took over the Ministry Percy left the Magical world and ended up working for the SGC.
K, English, words: 3k+, favs: 24, follows: 10, 11/2/2018
38 A New Hero in the Pegasus Galaxy » by Capricorn7 A new hero has arrived in the Pegasus Galaxy. Read and learn about Harry Potter's adventures in the Pegasus Galaxy.
T, English, Adventure & Sci-Fi, chapters: 2, words: 3k+, favs: 166, follows: 231, updated: 7/23/2017 published: 5/31/2017
41 Stargate: Olympus » by revamped20 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.
T, English, Sci-Fi & Adventure, chapters: 3, words: 9k+, favs: 219, follows: 292, updated: 12/31/2016 published: 3/27/2014, Harry P., Hermione G., Lily Evans P., OC
17 A wizard's adventure by rick001 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.
T, English, Adventure, words: 805, favs: 110, follows: 148, 12/6/2016
98 Exploring Science with Magic » by crossfire922 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.
T, English, Sci-Fi & Adventure, chapters: 5, words: 20k+, favs: 750, follows: 1k+, updated: 11/14/2016 published: 10/27/2016, Harry P., Fred W.
165 Still Safer Than Hogwarts » by rene3037769 Hermione likes to read. She has always liked to read. Her longtime hobby leads her to her next adventure. Strangely enough, Hermione finds that traveling to another galaxy is turning out to be a lot like going to Hogwarts. Maybe a bit safer though.
T, English, chapters: 3, words: 15k+, favs: 362, follows: 517, updated: 8/6/2016 published: 5/22/2016, [Hermione G., Ronon D.]
3 Lorne's Story by CSIRide-Kirk Has anyone ever wondered why Evan Lorne hates to be in the spotlight? Why he likes the shadows? He was really born Harry James Potter, the Boy Who Lived, he was sick of being a celebrity and chose to leave England to be in the USAF and SGC. When three people from Evan's past show in Atlantis due to experimental magic, he has to chose his new life or his past. T for Evan's swearing.
T, English, Family & Sci-Fi, words: 3k+, favs: 47, follows: 59, 3/3/2016, Hermione G., Voldemort, John S., E. Lorne
3 New Life, Old Problems by CSIRide-Kirk Since Holly Potter (fem!Harry) left the wizarding world, Jessica Sheppard had moved on with her life and was happy in the USAF and as the military CO of Atlantis on the SGC's Expedition. But when she's threatened with an old enemy, will she return to her old life or will she chose to help and remain with her new husband and life. Fem!SheppardxLorne pairing
K+, English, Fantasy & Sci-Fi, words: 2k+, favs: 41, follows: 49, 3/2/2016, [E. Lorne, OC] Teyla E., S. Carter/Sam
Astrophysicist and a witch by CSIRide-Kirk Meredith Rebecca McKay moved on from her old life and identity after the war. But when an old enemy comes to Atlantis with the usual trouble in tow, she and Maj. Evan Lorne have to reveal the secret that they both share to the senior staff in Atlantis to protect the city from a resurrected Voldermort. Fem!McKay and Sheppard pairing, Harry/Lorne link.
K+, English, Sci-Fi & Family, words: 1k+, favs: 25, follows: 32, 2/24/2016, [John S., OC] Draco M., E. Lorne
4 Returned and Remembered by evil older sister Part 1/2 After the city returns to Pegasus an old enemy brings up things that Rodney had long forgotten. Mentions of torture and death.
T, English, Mystery & Supernatural, words: 8k+, favs: 11, follows: 21, 1/30/2016, Draco M., Neville L., Rodney M.
20 Captain Selene Potter by sierra1one I have written this story a few years ago so it might contain a few spelling mistakes. I plan to continue this story sometime in the future. Perhaps future HP/Teyla Fem!Harry
T, English, Adventure & Sci-Fi, words: 16k+, favs: 117, follows: 127, 12/19/2015, Harry P., Elizabeth W., John S., Teyla E.
5 SGA: Sheppard's past by CSIRide-Kirk Jessica Sheppard wasn't who everyone on the Atlantis Expedition thought she was. Only Rodney McKay knew she was Hannah Louisa Potter, the most famous witch in Magical Britain until she left and joined the USAF and was chosen to lead the Atlantis Expedition. But when Jessica's past comes to haunt her with Voldermort and the Wraiths, they have to face the AR-1. Female John Sheppard.
K+, English, Adventure & Sci-Fi, words: 1k+, favs: 49, follows: 61, 11/11/2015, [John S., Rodney M., Harry P.] Dolores U.
1k+ Last Ancient » by runick4 ABANDONED On that Halloween night, Harry saves his twin, damaging his magic; Left on Privet drive, he grows up on his own; When he is eight, he starts doing freaky things that he can't understand; Discovering Merlin's hologram at Glastonbury Tor gives him a real family, and changes the fate of the Galaxy; Squib!Harry, Telekinetic!Harry, Pic is basic model of Hermes class ship
T, English, Adventure & Drama, chapters: 26, words: 223k+, favs: 2k+, follows: 2k+, updated: 7/28/2015 published: 5/23/2013, Harry P.
37 Stargate: Valhalla » by revamped20 AU, WBWL. The Horcruxes from Harry's scar was removed and sent to the goblins who dealt with most of them except for two that was up to Dumbledore. 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. This Story is being replaced by Stargate: Olympus
T, English, Adventure & Sci-Fi, chapters: 3, words: 8k+, favs: 105, follows: 161, updated: 3/27/2014 published: 5/17/2013, Harry P.
59 Purple Portal Thing by m0untainc1imber It was a perfectly normal day in Atlantis when the Stargate decided to do something strange and three teenagers come to visit. This is only a plot bunny and doesn't have much real storyline at all. K for mild language.
K+, English, words: 1k+, favs: 238, follows: 173, 9/17/2013, Harry P., Ron W., Hermione G., Elizabeth W.
30 l'amour d'un ancien » by Harry James Potter-Cullen Pendant l'été, Harry se fait battre et se fait violer par son oncle alors il fait un voeu, le lendemain John trouve, dans son lit, un jeune garçon blessé qui le fascine;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;SLASH HP/JS harry a 16ans
K+, French, Romance & Sci-Fi, chapters: 5, words: 2k+, favs: 58, follows: 51, updated: 5/21/2013 published: 4/2/2013
7 Sprain by Othalla Harry is not careful and will have to deal with not kicking people. Carson find him adorable. Don't tell. Slash. non-magic au.
K, English, Romance & Humor, words: 444, favs: 124, follows: 47, 1/26/2013, Harry P., Carson B.
651 Life in Binary » by Athaeth The chance to go to another galaxy is just too tempting for the Wizard Saviour. At least he can't say his life is dull. Not when he is living on a mythical flying city and being chased by life-sucking aliens. Just another day in the life of slash
T, English, Sci-Fi & Adventure, chapters: 6, words: 82k+, favs: 1k+, follows: 2k+, updated: 12/18/2012 published: 2/21/2012, Harry P., Rodney M.
29 Harry Potter and the Wizard of Pegasus » by IzabellaRiddle While on vacation John and Rodney have the adventure of a lifetime. What happens when you mix magic and Pegasus Galaxy nightmares? Read and find out. Contains Slash and some mild language.
T, English, Adventure & Family, chapters: 13, words: 12k+, favs: 78, follows: 90, updated: 10/30/2012 published: 5/3/2009, Harry P., John S.