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by Dave19941000 reviews
A small stretch of the truth by an enemy long thought gone leads to a clash of worlds. With Earth unwilling to let an attempted invasion slide and the Colonials having lost too much blood to back down, it seems worlds burning is inevitable. Just as planned.
Crossover - Stargate: SG-1 & Battlestar Galactica: 2003 - Rated: T - English - Sci-Fi - Chapters: 50 - Words: 233,825 - Reviews: 399 - Favs: 287 - Follows: 403 - Updated: 8/23 - Published: 8/18/2014 - Complete
Stargate: The Ascension of the Fifth Race
by Jayan phoenix reviews
Earth faces its biggest challenge, they will either fall to the Lucian Alliance and Betrayal or they will rise as the fifth Race. Atlantis must return to the Pegasus Galaxy and the Destiny Expedition are stranded in stasis, and the IOA are not helping the situation.
Crossover - Stargate: Atlantis & Stargate: SG-1 - Rated: T - English - Chapters: 39 - Words: 189,882 - Reviews: 144 - Favs: 204 - Follows: 271 - Updated: 8/23 - Published: 1/3/2015
StarGate: Galactic Imperium
by VexMaster reviews
What if someone from our universe goes to the Stargate universe with everyting we know about it? He will build an empire unlike any other before it. 1st person POV and POV from SG-1. A massive crossover!
Stargate: SG-1 - Rated: M - English - Sci-Fi/Fantasy - Chapters: 124 - Words: 720,597 - Reviews: 2728 - Favs: 1,532 - Follows: 1,394 - Updated: 8/23 - Published: 1/22/2009
The Shadow of Angmar
by Steelbadger reviews
The Master of Death is a dangerous title; many would claim to hold a position greater than Death. Harry is pulled to Middle-earth by the Witch King of Angmar in an attempt to bring Morgoth back to Arda. A year later Angmar falls and Harry is freed. What will he do with the eternity granted to him? Story begins 1000 years before LotR. Eventual major canon divergence.
Crossover - Harry Potter & Lord of the Rings - Rated: M - English - Adventure - Chapters: 16 - Words: 105,242 - Reviews: 1955 - Favs: 5,258 - Follows: 6,784 - Updated: 8/22 - Published: 3/15/2015 - Harry P.
Contact at Kobol
by wilkins75 reviews
The scrolls tell that 13 tribes left the birthplace of humanity on Kobol, 12 went one way and the other Earth went another only to lose all contact with their cousins. It is written that one day they would reunite but when they Earth meets their cousins it is not what they expected and it would cost both sides in blood. (Stargate SG1/Battlestar Galactica)
Crossover - Stargate: SG-1 & Battlestar Galactica: 2003 - Rated: T - English - Adventure - Chapters: 49 - Words: 269,149 - Reviews: 2610 - Favs: 718 - Follows: 966 - Updated: 8/19 - Published: 3/20/2015
by Odin999 reviews
Harry Potter meets some very interesting people in his youth, they help him grow to be someone the Wizarding World never expected. Dumbledore will realize sometimes the best plans don't go how you want them to.
Harry Potter - Rated: M - English - Adventure/Crime - Chapters: 21 - Words: 104,110 - Reviews: 1039 - Favs: 3,420 - Follows: 4,208 - Updated: 8/15 - Published: 7/4/2014 - Harry P.
Hadrian Lannister Lion of the Rock
by Sage1988 reviews
Reborn as the eldest son of Tywin Lannister, Hadrian must shoulder the responsibilities of being heir to Casterly Rock and play the game of thrones. As war takes hold will he rise to win the game or will he be crushed by the factions all around him. Rated M to be safe.
Crossover - Harry Potter & Game of Thrones - Rated: M - English - Adventure/Fantasy - Chapters: 8 - Words: 92,862 - Reviews: 538 - Favs: 2,052 - Follows: 2,544 - Updated: 8/11 - Published: 5/22 - [Arya S., OC] Harry P., Jon S.
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
Crossover - Harry Potter & Stargate: Atlantis - Rated: M - English - Adventure/Sci-Fi - Chapters: 4 - Words: 42,847 - Reviews: 180 - Favs: 1,027 - Follows: 1,444 - Updated: 8/10 - Published: 7/28/2015 - Harry P.
The Last Lion of House Reyne
by joen1801 reviews
When Tywin Lannister crushed the Reyne-Tarbeck Rebellion everyone in the Kingdoms believed he ended two noble lines. But thanks to one unique infant, one Harrion Reyne called Harry by his parents, some survived.
Crossover - Harry Potter & A song of Ice and Fire - Rated: M - English - Adventure - Chapters: 8 - Words: 107,380 - Reviews: 773 - Favs: 2,375 - Follows: 2,835 - Updated: 8/4 - Published: 7/18/2015
The Travels of the Master of Death - The Prince that was Promised
by StrawHatLuffy94 reviews
After all, to the well-organized mind, death is but the next great adventure. Truer words were never spoken by Dumbledore when Harry found himself as the Master of Death. Now, Harry is reborn as the Crown Prince of a realm on the brink of civil war. Can he stop the darkness to come?
Crossover - Harry Potter & A song of Ice and Fire - Rated: M - English - Adventure/Fantasy - Chapters: 14 - Words: 105,025 - Reviews: 977 - Favs: 2,979 - Follows: 3,890 - Updated: 8/4 - Published: 12/10/2015 - Harry P., Jon S.
The Difference One Man Can Make
by joen1801 reviews
After the Battle of Hogwarts, Harry Potter decided to travel the world. Twelve years later when a new threat attempts to destroy the progress made in Britain he returns home to deal with the situation. During the fight that puts down the small group of upstarts Harry finds himself in a world of ice and fire
Crossover - Harry Potter & Game of Thrones - Rated: M - English - Adventure - Chapters: 18 - Words: 240,080 - Reviews: 3382 - Favs: 6,309 - Follows: 7,252 - Updated: 7/28 - Published: 3/22/2015
A Brutal Reality
by BIG Z1776 reviews
SEQUEL TO "A BRUTAL TRUTH". The Colonials have just started taking their first steps into a much larger galaxy where danger, friends, and the unknown lie around every corner. And Earth has now taken the next huge step into the galaxy and its rise to superpower is all but inevitable. So what's to stop them? Old enemies from the past thought to be gone and new ones not yet seen.
Crossover - Stargate: SG-1 & Battlestar Galactica: 2003 - Rated: T - English - Adventure/Sci-Fi - Chapters: 16 - Words: 103,219 - Reviews: 257 - Favs: 389 - Follows: 547 - Updated: 7/23 - Published: 2/15/2015
Harry Potter and the Alien Reality
by Pwn Master Paladin reviews
In the graveyard, Voldemort banished Harry to a new universe. Stranded in a reality of technology, adventure, and snake-like aliens that are bent on galactic conquest, Harry will join with a new group to hopefully find a way home. A group called SG-1.
Crossover - Stargate: SG-1 & Harry Potter - Rated: T - English - Chapters: 12 - Words: 146,773 - Reviews: 923 - Favs: 2,211 - Follows: 2,739 - Updated: 7/21 - Published: 11/6/2010 - J. O'Neill, Harry P.
A 'Not So' Different Story
by The 0bservanc3 reviews
A simple change in history can affect the world. Lily Potter has a hidden family history, and it affects Harry. See how Harry lives as a TRUE heir of Slytherin! Slytherin!, but still good!Harry Harry Potter/Daphne Greengrass
Harry Potter - Rated: M - English - Supernatural/Romance - Chapters: 7 - Words: 50,733 - Reviews: 292 - Favs: 939 - Follows: 1,276 - Updated: 7/8 - Published: 1/2/2011 - Harry P., Daphne G.
Electus Unum, Original
by RebelDroideka reviews
When Nathan Potter's twin brother was entered into the Tri-Wizard Tournament, things quickly spiraled out of control. Now, Voldemort's reign of terror can only be ended by one man; but they have to convince him that they are worth saving first... (Rewritten. This version will be taken down July 5th, 2016)
Crossover - Harry Potter & Stargate: SG-1 - Rated: T - English - Chapters: 30 - Words: 29,261 - Reviews: 264 - Favs: 664 - Follows: 1,107 - Updated: 6/23 - Published: 3/21/2015 - Harry P., Daphne G.
Gods Among Us
by arturus reviews
Fate is a funny thing sometimes. Harry Potter and his friends survived their trial by fire and defeated Voldemort. A year has passed and Hermione Granger is apprenticed as a Curse Breaker. When she discovers an ancient tomb she talks Harry into helping with the excavation. Now they are trapped and they'll need a miracle to survive. HP/BSG now with quite a bit of Stargate in the mix
Crossover - Harry Potter & Battlestar Galactica: 2003 - Rated: M - English - Sci-Fi/Adventure - Chapters: 18 - Words: 153,336 - Reviews: 512 - Favs: 1,137 - Follows: 1,473 - Updated: 6/17 - Published: 1/9/2012 - Harry P., Hermione G.
by bigfan22 reviews
Harry Potter fulfilled his destiny, but it cost everything he held dear to him. As Death's Champion he's being asked to do it all over again, and this time he'll get the chance to have the family he always wanted. Will Harry once again emerge victorious or will his friends and family pay the price for his failure? Alive James/Lily. Super Harry vs Super Voldemort. Harry/Daphne/OFC.
Harry Potter - Rated: M - English - Adventure/Family - Chapters: 19 - Words: 156,083 - Reviews: 699 - Favs: 2,774 - Follows: 3,446 - Updated: 6/16 - Published: 10/20/2014 - [Harry P., Daphne G.] [Neville L., Hermione G.]
Paid In Blood
by zaterra02 reviews
After decades of an empty life and wars that claimed all he ever held dear, the greatest dark lord in living memory and his most loyal servant are finally ready to challenge fate and once again bring down their vengeance upon their enemies. AU, extended universe, Time-Travel, bashing and HAPHNE.
Harry Potter - Rated: M - English - Drama/Romance - Chapters: 26 - Words: 256,244 - Reviews: 1066 - Favs: 2,850 - Follows: 3,362 - Updated: 6/9 - Published: 7/9/2013 - Harry P., Daphne G.
Harry Potter and the Alteran Failsafe
by flashbak35a reviews
Harry and Hermione 'meet' at the zoo and get transported to the ancient outpost in Antarctica. This is based on robertbryan's one-shot Harry Potter: Failsafe with his permission.
Crossover - Stargate: SG-1 & Harry Potter - Rated: T - English - Sci-Fi/Romance - Chapters: 1 - Words: 17,212 - Reviews: 29 - Favs: 146 - Follows: 107 - Published: 5/27 - [Harry P., Hermione G.] - Complete
The Mass Effect Age
by Tscorpio1701 reviews
It is a new age for the galaxy, an age of change, which leads to both pain and joy .
Crossover - Babylon 5 & Mass Effect - Rated: T - English - Adventure/Sci-Fi - Chapters: 8 - Words: 35,002 - Reviews: 186 - Favs: 411 - Follows: 465 - Updated: 5/22 - Published: 3/10/2011
Harry Potter and the Emerald Trance
by DrizzleWizzle reviews
(5/7) It is a dark time for Harry Potter. Voldemort is secretly amassing power, and only Dumbledore's Order of the Phoenix opposes him. Abandoned, libeled, loathed and reviled, Harry has few allies and fewer options. Harry must learn to control his powerful and mysterious emerald trance; if he cannot, Harry will be consumed by darkness. (AU Slytherin!Harry)
Harry Potter - Rated: T - English - Adventure - Chapters: 63 - Words: 280,183 - Reviews: 1857 - Favs: 1,212 - Follows: 1,563 - Updated: 5/13 - Published: 4/25/2014 - [Harry P., Katie B.] - Complete
Harry Potter and The Cochran Effect
by r2r4l reviews
A cross-over from Harry Potter to Stargate. Star Trek references, only in so much as Harry invent's his own warp drive and stuff. A mix with some members of the retired Fantastic Four. And a couple other hopefully interesting cameos. Harry/Hermione. Who knows what will happen. Well, I have some idea. You will just have to see. M only for safety.
Crossover - Stargate: SG-1 & Harry Potter - Rated: M - English - Sci-Fi/Adventure - Chapters: 10 - Words: 71,160 - Reviews: 235 - Favs: 681 - Follows: 793 - Updated: 5/3 - Published: 10/10/2015 - Harry P., Hermione G. - Complete
by DragonsKing83 reviews
Harry dies as the Master of Death and is then chosen for a greater destiny. However he could never be normal in any world. He is born the son of Lyanna Stark & Rhaegar Targaryen; only this time they both survive in exile. The game has changed forever & one special young man makes all the difference. The legend of the Dragonborn has arrived with Rhaenys and Daenerys by his side.
Crossover - Harry Potter & Game of Thrones - Rated: M - English - Chapters: 12 - Words: 129,682 - Reviews: 632 - Favs: 2,310 - Follows: 2,792 - Updated: 4/30 - Published: 3/31 - Harry P., Daenerys T., Rhaegar T., Rhaenys T.
by ZenoNoKyuubi reviews
It's the year 2185CE. Commander Jane Shepard is recruiting members to bring with her on a mission against the Collectors and the Reapers. Among the candidates is Dr. Harry Potter, the reclusive mad scientist who has been missing for twenty years. Who knows what he was doing during that time? Rated M to be sure.
Crossover - Harry Potter & Mass Effect - Rated: M - English - Adventure/Sci-Fi - Chapters: 10 - Words: 68,289 - Reviews: 1104 - Favs: 3,637 - Follows: 4,332 - Updated: 4/13 - Published: 6/10/2015 - Harry P., Shepard (F)
Stargate:The Legend of the Arcturus Maximus Primus
by Alpha Omega Protocol reviews
Alternate universe of Stargate Atlantis. This is a story about my 3d ship I made based on the Ancients! This first story is going to be the cross over from Stargate to Star Trek. Others universe will come later.
Crossover - StarTrek: Other & Stargate: Atlantis - Rated: M - English - Sci-Fi - Chapters: 30 - Words: 169,562 - Reviews: 94 - Favs: 177 - Follows: 181 - Updated: 3/29 - Published: 11/11/2009 - John S.
Grey In The Stars
by aliengirlguy reviews
After losing his Godfather and dubious about what fate has planned for him, Harry takes his destiny into his own hands, after talking with an old General on vacation. There will be mentions of slash, hetro, bisexuality, and asexuality later on (not main focus of fic). There is also likely to be some inaccuracies, spelling and typo issues. I don't beta.
Crossover - Stargate: SG-1 & Harry Potter - Rated: M - English - Chapters: 15 - Words: 58,486 - Reviews: 236 - Favs: 564 - Follows: 804 - Updated: 3/26 - Published: 10/8/2015
Harry Potter's most excellent adventure
by wolfd890 reviews
The boy who lived simply wanted to take a break from being everyone's Hero. Who'd have thought that being kidnapped by Jaffa out of some lousy Diner would do the trick? Poor SG1. They have no idea how far down the rabbit hole goes. Harry Potter/Stargate Crossover, eventual AU
Crossover - Stargate: SG-1 & Harry Potter - Rated: T - English - Humor/Adventure - Chapters: 13 - Words: 79,852 - Reviews: 504 - Favs: 1,331 - Follows: 1,912 - Updated: 3/24 - Published: 11/16/2015 - J. O'Neill, Vala, Harry P.
A Dark Lords Rising
by SpitKill reviews
The Dark Lord made a very different choice on Halloween of 1981, and with it he may have brought the very destruction to the light that they so rightfully feared. Now Harry is growing under the training of Lord Voldemort in order to avenge his parents deaths to the proclaimed leader of the light...Albus Dumbeldore. HarryXDaphne
Harry Potter - Rated: M - English - Adventure/Romance - Chapters: 29 - Words: 142,663 - Reviews: 823 - Favs: 1,056 - Follows: 1,253 - Updated: 3/22 - Published: 9/13/2014 - [Harry P., Daphne G.] Susan B.
by kaleb-yamato reviews
The Colonials discover they are not alone in the universe just in time for it to start falling apart around them. Can 12 isolated planets separated from the rest of the universe for thousands of years survive long enough to establish themselves or will they be swept away with the coming tide.
Crossover - Stargate: SG-1 & Battlestar Galactica: 2003 - Rated: T - English - Sci-Fi/Suspense - Chapters: 7 - Words: 57,928 - Reviews: 168 - Favs: 294 - Follows: 419 - Updated: 3/5 - Published: 4/3/2014
Cage and Key
by Herudus reviews
It is a man's own mind, not his enemy or foe, that lures him to evil ways. Harry is prepared to do anything to protect those he still has left, even use the Dark Arts extensively if he has to. The question is; will he be the same person in the end as events, and a shadowy figure risk to change him? And how does the eccentric Daphne Greengrass fit in? Sixth year. HP/DG
Harry Potter - Rated: M - English - Romance/Hurt/Comfort - Chapters: 30 - Words: 216,210 - Reviews: 535 - Favs: 1,070 - Follows: 1,516 - Updated: 2/13 - Published: 2/4/2015 - [Harry P., Daphne G.] Ron W., Hermione G.
Harry Potter and the Power of the Dark Side
by Faykan reviews
Only the strong may rule, this was the way of the Dark Side, and Darth Millennial was about to prove to his master that he was worthy of the title Dark Lord of the Sith, but first a tremor in the Force draws him to the Unknown Regions of space... I do not own the picture
Crossover - Star Wars & Harry Potter - Rated: T - English - Adventure/Sci-Fi - Chapters: 53 - Words: 329,639 - Reviews: 886 - Favs: 1,386 - Follows: 1,306 - Updated: 2/1 - Published: 9/10/2012 - Harry P., Draco M., Luna L. - Complete
by Marquis Black reviews
Some men live their whole lives at peace and are content. Others are born with an unquenchable fire and change the world forever. Inspired by the rise of Napoleon, Augustus, Nobunaga, and T'sao T'sao. Very AU.
Harry Potter - Rated: M - English - Adventure - Chapters: 44 - Words: 638,154 - Reviews: 1808 - Favs: 2,920 - Follows: 2,661 - Updated: 1/26 - Published: 4/17/2010 - Harry P.
Harry Potter and the Nature of Magic
by Vent Maitre reviews
What if you were told there was more to magic than just spells? Join Harry on this novel length adventure as he learns about magic on both a fundamental and personal level. Read as Harry learns that there is no substitute for hard work, and no easy way of dealing with life's problems. Will depart from cannon as cannon magic is boring. AU Post 4th yearHP/DG Updated to M for violence
Harry Potter - Rated: M - English - Adventure - Chapters: 6 - Words: 52,902 - Reviews: 84 - Favs: 312 - Follows: 521 - Updated: 12/20/2015 - Published: 4/20/2015 - Harry P., Sirius B., Albus D., Daphne G.
Free from Force
by Haxong reviews
Darth Vader, the Chosen One of the force, makes a choice in the moment of his death and travels back in time to the beginning. This time, he will be his own Master. Stranded on Tattoine he decides to take in young Anakin and together with him prevent some of the bloodshed that is to come. There is only one problem: Vader is still very much a Sith and bloodshed is just so much fun.
Star Wars - Rated: M - English - Adventure/Family - Chapters: 64 - Words: 250,256 - Reviews: 1708 - Favs: 1,788 - Follows: 1,513 - Updated: 12/16/2015 - Published: 4/8/2015 - Darth Vader, Anakin Skywalker - Complete
Harold the Heir
by Splawheel reviews
Non horcrux infant Harry Potter ends up transplanted into the role of Harold Hardyng of the Vale through the meddling of a much older alternate HP attempting to prevent him from becoming the MoD, raised by Dursleys, or face Voldermort. Now a Vale raised knight with the aid of his altern.'s grimoire, how will Harold the Heir alter the coming Game of Thrones. H/multi & more magic.
Crossover - Harry Potter & A song of Ice and Fire - Rated: M - English - Adventure/Fantasy - Chapters: 7 - Words: 55,328 - Reviews: 125 - Favs: 710 - Follows: 885 - Published: 12/10/2015 - Harry P.
by Dave19941000 reviews
With the discovery of a new trans-galactic gate coordinate, Star Gate Command forms a new expedition to the Triangulum Galaxy. But where the Ancients went trouble always followed, and the Triangulum Expedition finds themselves facing one unlike any the Milky Way or Pegasus galaxy had to offer.
Stargate: SG-1 - Rated: T - English - Sci-Fi - Chapters: 6 - Words: 18,175 - Reviews: 28 - Favs: 65 - Follows: 99 - Updated: 12/10/2015 - Published: 11/30/2014 - OC
The Alliance Wars
by vliegenvanger reviews
this is a general continuation of BSG 16, Under Siege and TFS Ticonderoga. I have changed several other things. although this story is categorized as crossover, it will mainly deal with the SG side and a bit of BSG. now includes the Ori
Crossover - Stargate: Atlantis & Battlestar Galactica: 2003 - Rated: T - English - Sci-Fi - Chapters: 21 - Words: 233,843 - Reviews: 149 - Favs: 142 - Follows: 172 - Updated: 12/5/2015 - Published: 3/31/2010
by Akitsufan reviews
Dr Potter is investigating a string of women rescued from a cult that have been dosed with something strange, something that doesn't belong to the muggle's or wizard kind. As he tracks down the source of the worrisome concoction he stumbles upon a millennium old secret, propelling him and his allies into the stars. Not a Harry single handily destroys the Goa'uld empire story.
Crossover - Stargate: SG-1 & Harry Potter - Rated: T - English - Sci-Fi - Chapters: 5 - Words: 41,477 - Reviews: 219 - Favs: 772 - Follows: 1,191 - Updated: 10/23/2015 - Published: 11/25/2014 - Harry P., Hermione G.
His Own Man
by jamnaz79 reviews
A more confident Harry decides to enter the Goblet of Fire to prove that he is not just the boy-who-lived. Instead he is Harry Potter, a young man that his own legacy to live up to. What can a properly trained Harry Potter accomplish when he decides to take the reigns of his life. Weasley and Dumbledore bashing. Political & Adventure - Multi pairing No Slash On Hold
Harry Potter - Rated: M - English - Adventure/Romance - Chapters: 13 - Words: 56,680 - Reviews: 605 - Favs: 2,270 - Follows: 3,157 - Updated: 8/4/2015 - Published: 12/7/2014 - [Daphne G., Harry P., Susan B.]
With Strength of Steel Wings
by AngelaStarCat reviews
A young Harry Potter, abandoned on the streets, is taken in by a man with a mysterious motive. When his new muggle tattoo suddenly animates, he is soon learning forbidden magic and planning to infiltrate the wizarding world on behalf of the "ordinary" people. But nothing is ever that black and white. (Runes, Blood Magic, Parseltongue, Slytherin!Harry) (SEE NOTE 1st Chapter)
Harry Potter - Rated: M - English - Adventure/Angst - Chapters: 38 - Words: 719,300 - Reviews: 1762 - Favs: 2,673 - Follows: 3,117 - Updated: 6/4/2015 - Published: 2/22/2013 - Harry P., Hermione G., Draco M., Fawkes
There are no absolutes
by Veredis reviews
Two mistakes pave the way for Harry Potter to bring changes to both the magical and muggle world that are unprecedented. Darker, intelligent and more powerful Harry but not evil. Rated M for multiple reasons. Not a harem nor slash fan fiction.
Harry Potter - Rated: M - English - Adventure/Romance - Chapters: 7 - Words: 65,140 - Reviews: 335 - Favs: 1,159 - Follows: 1,605 - Updated: 5/8/2015 - Published: 11/24/2014 - [Harry P., Daphne G.]
by stsmth22 reviews
The people of Earth know about the Stargate. However, the knowledge of its existence doesn't thrill everyone. In deep space a fleet composed of survivors of twelve planets decimated in nuclear fire, huddle inside overcrowded ships. Protected by the Last Battlestar. Galactica. After months of quiet the Cylons have found the Fleet. The possibility of annhilation has returned.
Crossover - Stargate: SG-1 & Battlestar Galactica: 2003 - Rated: T - English - Adventure/Sci-Fi - Chapters: 6 - Words: 10,535 - Reviews: 79 - Favs: 100 - Follows: 194 - Updated: 3/28/2015 - Published: 3/5/2015
Know Your Rights
by megamatt09 reviews
Revamped. A couple of chance encounters on Harry's initial trip to Diagon Alley causes him to ask questions of a world that doesn't like questions being asked of it. Blatantly and obviously AU.
Harry Potter - Rated: M - English - Drama/Crime - Chapters: 14 - Words: 68,209 - Reviews: 313 - Favs: 1,210 - Follows: 1,219 - Updated: 3/15/2015 - Published: 12/27/2014 - [Harry P., Astoria G., Daphne G., N. Tonks] - Complete
by crazyaolguy reviews
What if, the Whole SGC had been little more effective, little more emphasis on acquiring technology. Starts at Season 1 Enigma. This will follow Cannon when it's necessary. Think of butterfly effect. These characters are little different, they behave, act little differently. so the story unfolds a lot differently (Remember the butterfly) than cannon.
Stargate: SG-1 - Rated: T - English - Sci-Fi/Adventure - Chapters: 8 - Words: 41,695 - Reviews: 97 - Favs: 218 - Follows: 283 - Updated: 3/8/2015 - Published: 1/26/2015
by jerrway69 reviews
Hogwarts Castle decides to interfere in the lives of two of its students to change the past and future from a terrible war and giving the pair an opportunity to find something more than just protection within its walls. AU Story, Political, Fed-up Harry, OC Dumbledore.
Harry Potter - Rated: M - English - Drama/Romance - Chapters: 36 - Words: 275,304 - Reviews: 4585 - Favs: 5,489 - Follows: 6,105 - Updated: 1/1/2015 - Published: 7/31/2012 - Harry P., Bellatrix L.
by Dr Bayou reviews
Turning to look at him, she gave him an odd look. "You do understand Privilege, Right?". Harry's world is turned upside down as a blond haired Slytherin barges into his life to show him all he could, and should, be taking advantage of. M for Caution.
Harry Potter - Rated: M - English - Adventure/Romance - Chapters: 7 - Words: 36,819 - Reviews: 534 - Favs: 1,944 - Follows: 2,621 - Updated: 12/25/2014 - Published: 8/6/2011 - Harry P., Daphne G.
Harry Potter: Last of the Ancients - Book 2
by Karmic Acumen reviews
Harry Potter travels the multiverse in order to acquire new technology and allies, in preparation for dealing with the enemies of his ancestors once and for all. Or at least that was the original plan.
Crossover - Harry Potter & Stargate: SG-1 - Rated: K+ - English - Sci-Fi/Adventure - Chapters: 2 - Words: 27,438 - Reviews: 67 - Favs: 510 - Follows: 667 - Updated: 12/21/2014 - Published: 11/2/2014 - Harry P.
by prometheus55 reviews
It's said that a single decision can alter the path of millions and the shape the galaxy. Most think those choices are epic struggles between good and evil. No one could have ever imagined that such a decision would have to do with the negligent placement of a simple wooden crate. Forty-seven years later the consequences of that decision have changed course of the entire galaxy.
Stargate: SG-1 - Rated: M - English - Adventure/Sci-Fi - Chapters: 7 - Words: 51,920 - Reviews: 175 - Favs: 394 - Follows: 476 - Updated: 10/1/2014 - Published: 8/23/2013 - S. Carter, D. Jackson, Teal'c
by AlexanderD reviews
How much naquadah would a woodchuck chuck if a woodchuck could chuck naquadah?
Stargate: Universe - Rated: T - English - Chapters: 54 - Words: 354,787 - Reviews: 1318 - Favs: 424 - Follows: 421 - Updated: 7/24/2014 - Published: 5/1/2012
Harry Potter: Rise of an Empire
by Lord-Drakos reviews
DISCONTINUED. Discovering his magic at an early age, Harry Potter set's out on a journey of adventure. An encounter with a Goa'uld however, sets him on the path of conquest and godhood. Powerful-Godlike Harry. Goa'uld Harry. Gray Harry. Rated M for violence and language. Warning: Contains Cliches.
Crossover - Stargate: SG-1 & Harry Potter - Rated: M - English - Adventure/Sci-Fi - Chapters: 11 - Words: 106,929 - Reviews: 489 - Favs: 1,458 - Follows: 1,644 - Updated: 7/20/2014 - Published: 6/27/2014 - Harry P.
by Tscorpio1701 reviews
The Gate has been reopened in the 23rd century, opening up a doorway to a universe of both wonder and horror. Revision finished. Slow to update.
Crossover - Babylon 5 & Stargate: SG-1 - Rated: T - English - Adventure/Sci-Fi - Chapters: 7 - Words: 33,347 - Reviews: 146 - Favs: 234 - Follows: 275 - Updated: 6/23/2014 - Published: 10/5/2010
A Shadowed Soul
by devilblondie reviews
He was abandoned at a young age, the world believing him dead. They were wrong. Death Eaters believed untouchable are dying. Who is this assassin? Will he join Dumbledore or take the war into his own hands? Not typical powerful!politic!Harry.
Harry Potter - Rated: T - English - Adventure/Suspense - Chapters: 18 - Words: 93,039 - Reviews: 2668 - Favs: 6,219 - Follows: 6,934 - Updated: 3/18/2014 - Published: 7/15/2007 - Harry P., N. Tonks
Babylon 5: A new beginning
by Nairda reviews
2233, Eight months after the fall of Omelos. A thorough study of the Dilgar war is finished and changes the forward looking strategy of the Earth Alliance. "This story changes the time line of the Babylon 5 universe after the Dilgar War."
Babylon 5 - Rated: T - English - Sci-Fi - Chapters: 10 - Words: 100,426 - Reviews: 276 - Favs: 404 - Follows: 410 - Updated: 12/9/2013 - Published: 9/6/2010
by Lord Silvere reviews
Harry is a prisoner, and Bellatrix has fallen from grace. The accidental activation of Bella's treasured heirloom results in another chance for Harry. It also gives him the opportunity to make the acquaintance of the young and enigmatic Bellatrix Black as they change the course of history.
Harry Potter - Rated: T - English - Chapters: 46 - Words: 392,449 - Reviews: 7090 - Favs: 10,175 - Follows: 7,200 - Updated: 9/21/2013 - Published: 11/14/2009 - Harry P., Bellatrix L. - Complete
The Morra Empire Book 1: The Founding
by Spearhead reviews
Inspired by VexMasters 'Galactic Imperium' and Limitless, This is the first book in a long series that will follow Eddie Morra as he builds the biggest and strongest Empire throughout history.
Crossover - Stargate: SG-1 & Limitless - Rated: M - English - Adventure/Sci-Fi - Chapters: 18 - Words: 28,382 - Reviews: 143 - Favs: 235 - Follows: 260 - Updated: 8/3/2013 - Published: 2/1/2012 - Eddie M.
by Lord Hadrian Black reviews
Emperor Revan II; the ruler of an Empire and leader of an Armada, fighting to save the Galaxy from those who wish to destroy it, all the while falling in love with a beautiful Senator and fighting to leave his past behind; or will he fall and become the very thing he fought against. Will span the whole Saga. WIP.
Crossover - Star Wars & Harry Potter - Rated: M - English - Fantasy/Adventure - Chapters: 24 - Words: 63,199 - Reviews: 821 - Favs: 1,451 - Follows: 1,494 - Updated: 7/3/2012 - Published: 4/26/2010 - Padmé Amidala, Yoda, Obi-Wan K., Harry P.
by andrewjameswilliams reviews
Joint fic with Keiran Halcyon and Wolf of Dawn. An AU reimagination of Stargate SG-1.
Stargate: SG-1 - Rated: K+ - English - Sci-Fi/Adventure - Chapters: 8 - Words: 78,256 - Reviews: 381 - Favs: 968 - Follows: 939 - Updated: 2/28/2012 - Published: 11/12/2010
Stargate: Birth of the Federation
by Nairda reviews
With the Asgard and Ancient repository of knowledge, humanity stands ready for a new birth. "It tells the story of the newly created Terran Federation from a Macroscale point of view. Federation expansion, Space battles and the like."
Crossover - Stargate: SG-1 & Stargate: Atlantis - Rated: T - English - Sci-Fi - Chapters: 13 - Words: 100,942 - Reviews: 226 - Favs: 371 - Follows: 414 - Updated: 2/6/2012 - Published: 2/20/2010
Stargate: New Frontier
by andrewjameswilliams reviews
AU Stargate. What could have happened if the stargate had never been discovered. How would things be different for Humanity and the Goa'uld when they finally meet.
Stargate: SG-1 - Rated: K+ - English - Chapters: 13 - Words: 82,722 - Reviews: 335 - Favs: 628 - Follows: 687 - Updated: 12/14/2011 - Published: 3/1/2008
The Lord of Light
by Darth Marrs reviews
Where the hell is Harry now? Third in the Harem Series begun by HP and the Four Founders and continued in Forever Mage. How will Darth Vader and the Emperor deal with a wizard born long ago in a galaxy far, far away?
Crossover - Star Wars & Harry Potter - Rated: M - English - Humor/Drama - Chapters: 39 - Words: 238,517 - Reviews: 1948 - Favs: 2,120 - Follows: 1,567 - Updated: 11/11/2011 - Published: 3/31/2011 - Leia O., Harry P. - Complete
Harry Potter & the Star Forge
by VINcredable reviews
After defeating Voldemort Harry flees with Hermione to the Pegasus Galaxy, there he finds himself involved in yet another war, one far more dangerous than Voldemort and with greater consequences should he lose. Stargate xover. Harry/?, Hermione/Ronon.
Harry Potter - Rated: T - English - Sci-Fi/Suspense - Chapters: 4 - Words: 24,982 - Reviews: 193 - Favs: 564 - Follows: 695 - Updated: 10/2/2011 - Published: 9/10/2011 - Harry P., Hermione G.
Harry Potter and the Ascension of Ra
by Apocalypse Thou reviews
Voldemort has been vanquished from power and Harry from Britain. Aiming to start a new life in muggle America Harry moves to what he thinks is a small quiet town to start over. His destiny has just begun.HP/LoisLane. Begins Season 4.
Crossover - Harry Potter & Smallville - Rated: M - English - Supernatural - Chapters: 34 - Words: 286,117 - Reviews: 2557 - Favs: 3,639 - Follows: 3,588 - Updated: 2/19/2011 - Published: 1/30/2009 - Harry P., Lois L.
Stargate: New Dawn
by UltimateFanJob123 - Beta 27 reviews
AU to upcoming Stargate Origins and Harry Potter: A hyperdrive malfuction strands the 1st Extragalactic Exploratory Fleet in hyperspace, sending the on a 250 year journey to a new universe where everything they know, apart from the races, don't exist...
Crossover - Stargate: SG-1 & Harry Potter - Rated: T - English - Sci-Fi/Fantasy - Chapters: 2 - Words: 3,689 - Reviews: 22 - Favs: 121 - Follows: 171 - Updated: 2/1/2011 - Published: 11/30/2010 - Harry P.
Dark Emperor the Immortal
by Laputian-Blackwriter reviews
After a reign of two hundred years that is about to come to an end, Dark Lord Harry Potter sends himself back in time to rebuild his World Empire from the ashes.
Harry Potter - Rated: T - English - Adventure/Fantasy - Chapters: 5 - Words: 21,907 - Reviews: 246 - Favs: 1,283 - Follows: 1,475 - Updated: 1/12/2011 - Published: 12/13/2009 - Harry P., Fleur D.
Harry Potter and the Legacy of the Ancients
by jacksez reviews
After defeating Voldemort, Harry Potter leaves the Wizarding World but after connecting up with Dr. Daniel Jackson through his new school he is off on an intergalactic adventure. This story contains positive male/male relationships.
Crossover - Harry Potter & Stargate: Atlantis - Rated: T - English - Adventure/Romance - Chapters: 8 - Words: 15,079 - Reviews: 137 - Favs: 513 - Follows: 885 - Updated: 9/21/2010 - Published: 8/30/2010 - Harry P., John S.
Stargate Thirdspace: Halo What If
by andrewjameswilliams reviews
SG Thirdspace AU. What might have happened if Rivendell and her escort squadron had arrived in another universe to Babylon Five verse.
TV X-overs - Rated: K+ - English - Sci-Fi/Adventure - Chapters: 2 - Words: 14,363 - Reviews: 99 - Favs: 228 - Follows: 244 - Updated: 8/10/2010 - Published: 12/22/2009
by andrewjameswilliams reviews
In the 26th century a group of Tau'ri warships is sent to a newly discovered galaxy, triggering a war that could see the extinction of all life in the universe. B5/Stargate Crossover.
TV X-overs - Rated: K+ - English - Sci-Fi/Adventure - Chapters: 24 - Words: 118,416 - Reviews: 611 - Favs: 626 - Follows: 624 - Updated: 1/27/2010 - Published: 5/14/2006
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Harry Potter Last of the Ancients reviews
Harry Potter Travels the Multi Verse in order to aquire new tech and allies to deal with his ancestors enemies once and for all
Crossover - Stargate: SG-1 & Harry Potter - Rated: T - English - Sci-Fi/Adventure - Chapters: 18 - Words: 88,378 - Reviews: 1028 - Favs: 1,335 - Follows: 1,344 - Updated: 11/2/2014 - Published: 10/4/2009 - Harry P.
For more than one race, the rebirth of the old shall bring hope to all...
Crossover - Stargate: SG-1 & Harry Potter - Rated: M - English - Sci-Fi/Adventure - Chapters: 3 - Words: 18,952 - Reviews: 208 - Favs: 675 - Follows: 871 - Updated: 12/18/2011 - Published: 4/18/2011 - Thor, Harry P.
Odyssey's new home reviews
Takes place after Unending. Its been done before but not in this fashion. SG1 in the Star Trek verse. Will include Stargates and the Asgard
Crossover - StarTrek: Other & Stargate: SG-1 - Rated: K - English - Sci-Fi/Adventure - Chapters: 4 - Words: 21,671 - Reviews: 208 - Favs: 351 - Follows: 420 - Updated: 7/5/2010 - Published: 11/23/2009