10k+ Harry Potter, Squatter » by Enterprise1701-d Based on a challenge by Gabriel Herrol. A young Harry Potter is abandoned in new York by the Dursleys. He finds his way onto Olympus and starts squatting in an abandoned temple...
Harry Potter & Percy Jackson and the Olympians, T, English, Adventure, chapters: 63, words: 562k+, favs: 18k+, follows: 20k+, updated: 6h published: 5/1/2019, Harry P., Hestia
704 Forgotten Family » by Koala789 Harry had thought that the Dursleys and Sirius were his only family left. But Lily Potter had an older brother who had fallen through the ice to save her, years before. During Harry's fifth year at Hogwarts, there's a new teacher, in charge of a new subject—elemental magic. But Harry doesn't understand. Why does Professor Evans act like he knows him? Rated T to be safe.
Harry Potter & Rise of the Guardians, T, English, Family & Mystery, chapters: 41, words: 135k+, favs: 1k+, follows: 1k+, updated: 8h published: 7/23/2016, Harry P., Lily Evans P., Jack Frost, Jack's sister
55 Draco's Destiny » by TheAutumnSpy Draco has encountered Death... and he has a mission for him. Thrown into a new world Draco has to learn who to trust and how to survive in this odd world
Harry Potter & Avengers, T, English, chapters: 10, words: 19k+, favs: 207, follows: 318, updated: 17h published: 11/7/2015, Draco M., Black Widow/Natasha R., Captain America/Steve R., Hawkeye/Clint B.
326 Harry Potter: Four Swords Adventures » by ScreamingSeeker Strange storms begin lashing at the castle and sickly mists begin bubbling up from below the dungeons. Something is afoot in Hogwarts and Harry Potter stumbles upon it, as he always does. When he accidentally unleashes the wind mage Vaati from his prison, it's up to Harry, his friends, and his new "brothers" to put Hogwarts right again.
Legend of Zelda & Harry Potter, T, English, Adventure & Fantasy, chapters: 68, words: 422k+, favs: 92, follows: 106, updated: 21h published: 12/15/2020
144 Shattered Times and Timelines: Odyssey out of time » by TimeTraveller-1900 AU By a strange twist of fate, a pre-warp ship appears through the Bajoran wormhole. Starfleet discovers the ship is the Odyssey, a ship from the Stargate Universe where a different series of events took place there. Containing the sum total of Asgard knowledge, Starfleet has a chance to change in ways nobody could have imagined.
StarTrek: Deep Space Nine & Stargate: SG-1, T, English, Sci-Fi, chapters: 12, words: 34k+, favs: 267, follows: 341, updated: 22h published: 1/1
2k+ Under the Veil » by poplasia Sans has gotten himself stuck in the void between worlds in a successful attempt to stop the resets of his timeline. He's not sure how long he's been chillin' alone there, but eventually a chance at escape stumbles his way in from the Veil of Death. His name?—Sirius Black. (no pairings)
Harry Potter & Undertale, T, English, Fantasy & Humor, chapters: 66, words: 229k+, favs: 2k+, follows: 2k+, updated: 9/30 published: 8/1/2016, Sirius B., Sans
94 Humanity's Resurgence by Strikefreedom10 Two different humanity's. Both pushed around by aliens for far too long. Together, they shall show this third universe that humanity is not to be underestimated.
Stargate: SG-1 & Halo, T, English, Sci-Fi & Adventure, words: 161, favs: 235, follows: 277, updated: 9/30 published: 4/1/2019, S. Carter, J. O'Neill, Master Chief/John-117, T. Hood
58 Stargate: Universal Collision by Strikefreedom10 After a horrible hyperspace jump following the destruction of Orilla, SG-1, Stargate Command and Atlantis all find themselves facing a brand new universe as their own galaxy is irrevocably changed. New allies, new enemies and new challenges all await as universes collide with one another in a battle just to survive.
X-overs & Stargate: SG-1, T, English, Sci-Fi & Adventure, words: 161, favs: 148, follows: 176, updated: 9/30 published: 8/19/2019, S. Carter, J. O'Neill, Thor
776 Scion of Sorcery: Phase One: Potter-Strange? » by DZ2 Strange Things Response: When Lily was pregnant with Harry, she knew that he would grow up to be someone special in the world of the mystic ones. But then again, why wouldn't he? After all, his Father is the Sorcerer Supreme! Grey OP/Sorcerer-Supreme-Level Harry
Harry Potter & Avengers, M, English, Fantasy & Family, chapters: 19, words: 76k+, favs: 3k+, follows: 3k+, updated: 9/30 published: 2/25/2017, [Dr. Strange/Stephen S., C. Palmer] Harry P.
3k+When the Roses Bloom Again » by TheBlack'sResurgence With Sirius dead, Harry seizes an unexpected opportunity to save his godfather, only to find himself in more trouble than he could have imagined. Arriving in 1930s Britain, he now must navigate a new world, and a different threat still with Voldemort's emergence on the horizon. But first, there was a greater war he must face, and a new foe; a Dark Lord he knew not.
Harry Potter, M, English, Adventure & Romance, chapters: 68, words: 488k+, favs: 7k+, follows: 8k+, updated: 9/29 published: 9/12/2021, [Harry P., Minerva M.] Charlus P., Arcturus B.
60 Star Granger - Season 5 » by SFD Once upon a time, a race of people fled their home planet, not willing to present themselves as gods. They went on and seeded life in substantial parts of the known universe. Klingons will tell you that gods are more trouble than they are worth, and that to grow, a race needs to do all their gods in. But, doing-whoever-all-in is SO not Federation. What a girl to do?
Stargate: SG-1 & Harry Potter, T, English, Sci-Fi & Adventure, chapters: 10, words: 44k+, favs: 264, follows: 421, updated: 9/29 published: 6/16, [Harry P., Hermione G.] S. Carter, J. O'Neill
16 The Jurassic Dead » by JPfan0922 After Fallen Kingdom, Dinosaurs on the loose aren't the only thing people have to worry about. See what happens when dinosaurs and Zombies clash in: The Jurassic Dead! I own nothing but my characters. Jurassic park: Universal, Walking Dead: AMC. Enjoy.
Jurassic Park & Walking Dead, T, English, Sci-Fi & Horror, chapters: 8, words: 27k+, favs: 38, follows: 23, updated: 9/28 published: 11/6/2014, A. Grant, I. Malcolm, Rick G., Daryl D.
35 Harry Peverell, Lord of Harrenhal » by AlexL61 Dark Lord Harry Potter is transported to an unknown land and must learn how to navigate this new world. He reunites with his family and friends and decides he can run Westeros better than these petty Lords. Very AU Harry/Astoria, Neville/Susan. Dark!Harry Magical Harry in a very non-magical world.
Harry Potter & Game of Thrones, M, English, Adventure & Fantasy, chapters: 3, words: 17k+, favs: 355, follows: 498, updated: 9/28 published: 9/15, [Harry P., Astoria G.] [Neville L., Susan B.]
1k+ Visited by a Doctor » by Tangerine-Alert At a young age Harry met someone called the Doctor, he became his friend. Over the course of his school life the Doctor returned, in each of his incarnations. Leaving Hogwarts Harry continues to have adventures, visited upon by the Doctor's influences and further incarnations, friends, and enemies.
Doctor Who & Harry Potter, T, English, Drama & Sci-Fi, chapters: 114, words: 951k+, favs: 2k+, follows: 2k+, updated: 9/27 published: 3/14/2009, Harry P.
1k+ The Stormreaver » by Faykan A tale of demonic manipulation and a warring Alliance trying to defend their world from a rampaging Horde. Thrown into the mix of this world before he could even walk or talk, Infant Harry Potter is placed into the hands of the most powerful Warlock of his people, Darkness Incarnate himself: Gul'dan, chieftain of the Stormreaver Clan.
Harry Potter & Warcraft, T, English, Adventure & Fantasy, chapters: 165, words: 1082k+, favs: 2k+, follows: 2k+, updated: 9/26 published: 5/31/2016, Harry P., Gul’dan
2k+ Cupboards and Cryogenics » by Yodeling Prospector When HYDRA sends The Winter Soldier to bring them the four-year-old Boy Who Lived, the outcome is not what they expected.
Harry Potter & Avengers, T, English, Drama, chapters: 70, words: 207k+, favs: 4k+, follows: 5k+, updated: 9/26 published: 4/18/2017, Harry P., Bucky Barnes/Winter Soldier
4k+The odds were never in my favour » by Antony444 Ten years of life at the Dursleys have healed Alexandra Potter of any good feelings she might have towards her aunt, uncle and cousin, leaving her friendless and sarcastic about life. On her eleventh birthday, a letter sent by a school of magic may give her a providential escape. Except, of course, things may not be that simple for a girl fan of the Lord of the Rings...
Harry Potter, M, English, Adventure, chapters: 98, words: 922k+, favs: 4k+, follows: 5k+, updated: 9/26 published: 9/20/2015
54 Harry Potter and the Flamel Battery - TRK&TA Part 1 » by srowdytg Tony Stark ditches the cover story SHIELD gave him, and shocks two of his greatest admirers in Britain. This of course inspires them to put all their cleverness, wit and knowledge together and create their most ambitious project: A fully functional Iron Man armour suit that will run on magic. Smart!HP. Misguided!AD. Eventual HP/HG. First part in the Runic Knights and The Avengers.
Harry Potter & Avengers, T, English, Adventure & Friendship, chapters: 18, words: 91k+, favs: 531, follows: 813, updated: 9/24 published: 8/25, [Harry P., Hermione G.] Ron W., Dean T.
179 Game Changer » by NotthatSmart234 The war against Voldemort spilled over into the muggle world; SHIELD got involved. Two of their best became the most feared people in the magical world. When their daughter enters Hogwarts alongside Harry Potter; how will her heritage change the wizarding world? The game changes, and some people don't like it a all.
Harry Potter & Avengers, T, English, Adventure & Mystery, chapters: 25, words: 66k+, favs: 395, follows: 563, updated: 9/22 published: 7/21/2014
390The Second Chance War » by wilkins75 in a desperate last move to save humanity from the White Walkers, Bran using the magic of the Children of the Forest sends everyone still alive at the battle of Winterfell back through time appearing within Winterfell during the war of the Five Kings with all the knowledge of what is coming in the war and the real threat to humanity. (Jon/Dany) (Arya/Gendry) (others)
Game of Thrones, M, English, Romance, chapters: 25, words: 262k+, favs: 911, follows: 1k+, updated: 9/22 published: 7/28/2019