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Not a Potter After All
by darkorangecat reviews
Shortly after Voldemort's return it is discovered that Harry Potter is not the biological son of Lily and James Potter. He is in fact the son of John and Mary Winchester.
Crossover - Harry Potter & Supernatural - Rated: T - English - Family/Hurt/Comfort - Chapters: 20 - Words: 117,623 - Reviews: 1066 - Favs: 1,633 - Follows: 2,387 - Updated: 1/1 - Published: 4/6/2009 - Harry P., John W.
Harry Potter and the Methods of Rationality
by Less Wrong reviews
Petunia married a biochemist, and Harry grew up reading science and science fiction. Then came the Hogwarts letter, and a world of intriguing new possibilities to exploit. And new friends, like Hermione Granger, and Professor McGonagall, and Professor Quirrell... Ch. 101, Precautionary Measures: Pt. 2.
Harry Potter - Rated: T - English - Drama/Humor - Chapters: 101 - Words: 561,086 - Reviews: 23625 - Favs: 13,196 - Follows: 12,104 - Updated: 12/11/2013 - Published: 2/28/2010 - Harry P., Hermione G.
Wand and Shield
by Morta's Priest reviews
The world is breaking; war and technology are pushing on the edge of the unbelievable, and S.H.I.E.L.D. desperately attempts to keep the peace. The soldier and the scientist are not the only lights that push back against the darkness, however; magic will encompass the world again as the last wizard makes himself known.
Crossover - Harry Potter & Avengers - Rated: T - English - Adventure/Supernatural - Chapters: 30 - Words: 230,603 - Reviews: 5412 - Favs: 8,110 - Follows: 9,431 - Updated: 11/19/2013 - Published: 6/2/2012 - Harry P.
The Angel's War
by TheAngelsHaveThePhoneBox reviews
SEQUEL TO THAT WHICH HOLDS THE IMAGE. Life. All normal and stuff. With jobs and houses and boring-y, woring-y things like that. Normality, as Harry Potter realises, does not attract mad men in little blue boxes, so any hope of seeing his old friend the Doctor again is pretty slim. But then Ginny Weasley notices the sky is falling, and everything goes completely to hell.
Crossover - Doctor Who & Harry Potter - Rated: K - English - Sci-Fi/Adventure - Chapters: 7 - Words: 17,979 - Reviews: 245 - Favs: 490 - Follows: 772 - Updated: 10/15/2013 - Published: 4/7/2013 - 11th Doctor, Harry P.
Harry Potter and the Marauders of the Mind
by Moonsign reviews
Post-DH, Pre-Epilogue. The Wizarding world is slowly recovering, and Hogwarts is re-opened. Harry Potter struggles to become a good DADA teacher, but it’s hard when a large portion of his mind is commandeered by four familiar Marauders. Slash and het.
Harry Potter - Rated: T - English - Humor/Family - Chapters: 23 - Words: 119,222 - Reviews: 1443 - Favs: 1,437 - Follows: 1,638 - Updated: 8/8/2013 - Published: 5/5/2008 - Harry P.
by enchanted nightingale reviews
Aaron Hotchner has just felt his world crumble and he needs help with Jack. That is when Harry enters the picture. HP/AH. Slash
Crossover - Harry Potter & Criminal Minds - Rated: M - English - Family/Romance - Chapters: 31 - Words: 94,942 - Reviews: 1969 - Favs: 2,453 - Follows: 3,148 - Updated: 7/5/2013 - Published: 10/26/2011 - Harry P., A. Hotchner/Hotch
Yanked from the UK
by Moriarty's Minion reviews
HP/Bones Crossover. While investigating a murder in London, Booth and Brennan interrogate the victim's assistant, Harry Potter-Black. With his boss murdered, Harry decides to take a position at the Jeffersonian Institute under Brennan's guidance. SLASH.
Crossover - Harry Potter & Bones - Rated: M - English - Mystery/Romance - Chapters: 20 - Words: 102,051 - Reviews: 2599 - Favs: 3,150 - Follows: 4,321 - Updated: 12/31/2012 - Published: 8/31/2010 - Harry P.
When the Lightning Strikes
by Moriarty's Minion reviews
Part 2 of my HP/Supernatural crossover series. Harry continues to hunt with the Winchesters, but his relationship with Dean is threatened by a dark secret. Harry also gains a surprising ally in the search for his godfather. SLASH.
Crossover - Harry Potter & Supernatural - Rated: M - English - Adventure/Romance - Chapters: 12 - Words: 76,157 - Reviews: 668 - Favs: 1,097 - Follows: 1,823 - Updated: 12/2/2012 - Published: 6/13/2010 - Harry P., Dean W.
In the Company of Friends
by DarkestSight reviews
Tony wakes up feeling like crap and finds himself longing for the times he lived alone and it was a lot easier to get a simple cup of coffee.
Avengers - Rated: K+ - English - Hurt/Comfort/Humor - Chapters: 1 - Words: 7,204 - Reviews: 93 - Favs: 939 - Follows: 124 - Published: 6/30/2012 - Iron Man/Tony S. - Complete
by Rain Seaker reviews
Harry meets the members of the Avengers at different times throughout his life.
Crossover - Harry Potter & Avengers - Rated: T - English - Friendship - Chapters: 11 - Words: 50,375 - Reviews: 1042 - Favs: 2,785 - Follows: 1,579 - Updated: 6/22/2012 - Published: 5/24/2012 - Harry P. - Complete
Hey Little World!
by smrt1 reviews
God has a weird sense of humor. Post-apocalypse, Team Free Will gets a reward: an all-expenses-paid trip to the world of Harry Potter! As eleven year olds. Typical.
Crossover - Harry Potter & Supernatural - Rated: T - English - Humor/Family - Chapters: 7 - Words: 22,049 - Reviews: 237 - Favs: 348 - Follows: 495 - Updated: 4/1/2012 - Published: 10/26/2010 - Harry P., Dean W.
by theshukri reviews
When Hogwarts received two new professors from the fated land of America, everybody was curious. But no one was more curious then one Harry Potter. A series of stories about Dean and Sam Winchester as professors at Hogwarts.
Crossover - Harry Potter & Supernatural - Rated: K+ - English - Humor/Adventure - Chapters: 8 - Words: 37,261 - Reviews: 228 - Favs: 269 - Follows: 445 - Updated: 3/5/2012 - Published: 8/6/2011 - Harry P., Dean W.
The Breaking News
by Morning Lilies reviews
Molly remembers the first time she heard about Harry Potter. As one family celebrates, another breaks. November 1, 1981. Nothing ever looks quite the same in hindsight.
Harry Potter - Rated: K+ - English - Family/Hurt/Comfort - Chapters: 1 - Words: 3,891 - Reviews: 44 - Favs: 95 - Follows: 10 - Published: 10/31/2011 - Harry P., Molly W. - Complete
Why You Don't Mess With Merlin
by ForIHaveOvercomeTheWorld reviews
Claude is new in Camelot and he doesn't understand that Merlin and Arthur's banter is normal. He wishes to teach Merlin a lesson. Will the other guards stop him in time? Will they have their own story of foolishness to tell? Whump, bromance, no slash.
Merlin - Rated: T - English - Friendship/Humor - Chapters: 7 - Words: 15,976 - Reviews: 240 - Favs: 689 - Follows: 226 - Updated: 10/17/2011 - Published: 9/12/2011 - Merlin, Arthur - Complete
The Truth of Blood
by Rokkis reviews
Harry with his never ending Hero-Complex, can't help but rescue a 2000 year old vampire about to commit suicide in the morning sun in downtown Dallas, Texas. The consequences however are far more reaching then he could ever imagine. SLASH Godric/Harry :D
Crossover - Harry Potter & True Blood - Rated: M - English - Supernatural/Adventure - Chapters: 4 - Words: 21,385 - Reviews: 673 - Favs: 1,533 - Follows: 2,164 - Updated: 9/27/2011 - Published: 10/30/2009 - Harry P., Godric
by hctiB-notsoB reviews
Tony/Harry WARNING: general warning for language and rating appropriate content. "Attempting to woo a guy who can't talk is awkward enough, but Tony has other problems — like meddlesome coworkers, a manipulative goth, and an overprotective uncle."
Crossover - Harry Potter & NCIS - Rated: T - English - Humor/Drama - Chapters: 15 - Words: 34,245 - Reviews: 631 - Favs: 2,065 - Follows: 1,599 - Updated: 7/9/2011 - Published: 8/24/2010 - Harry P., Tony D. - Complete
The Dead Man in the Lab
by Sameuspegasus reviews
There's a dead man in Booth's interrogation room, and he's having an argument with an angel of the Lord. AU Post Season 5 SPN.Gen, veering dangerously towards Dean/Cas.
Crossover - Supernatural & Bones - Rated: K+ - English - Crime/Mystery - Chapters: 42 - Words: 56,229 - Reviews: 400 - Favs: 473 - Follows: 278 - Updated: 7/5/2011 - Published: 7/31/2010 - Dean W., L. Sweets - Complete
by Voice of the Nephilim reviews
Trapped within the depths of the Department of Mysteries, Harry is entangled in a desperate, violent battle against both the Death Eaters and a horrifying creation of the Unspeakables, with time itself left as his only weapon.
Harry Potter - Rated: M - English - Horror - Chapters: 1 - Words: 16,195 - Reviews: 66 - Favs: 300 - Follows: 60 - Published: 6/8/2011 - Harry P. - Complete
The King and His Hero
by Bramble Iceweb reviews
When the ambush at the Telmarine castle fails, the old Kings and Queens of Narnia decide to blow Susan's horn. Fate decides to send one Harry Potter to help, who has his own problems trying to defeat Voldemort. PP/HP slash. Rating may change.
Crossover - Harry Potter & Chronicles of Narnia - Rated: T - English - Adventure/Romance - Chapters: 6 - Words: 16,253 - Reviews: 353 - Favs: 778 - Follows: 1,301 - Updated: 5/5/2011 - Published: 3/8/2010 - Harry P., Peter Pevensie
by Harrison James Winches-what reviews
With Petunia gone Dumbledore searches desperately for a way to keep the blood protection up for Harry and found one through the Winchesters. Harry is moved to America. But living with hunters isn't exactly easy when Harry is one of the things they hunt.
Crossover - Harry Potter & Supernatural - Rated: T - English - Family - Chapters: 4 - Words: 13,523 - Reviews: 155 - Favs: 405 - Follows: 815 - Updated: 4/12/2011 - Published: 2/15/2011 - Harry P., John W.
by Voice of the Nephilim reviews
A plague has swept across Britain, wiping out the Muggle population. Ignorant of his heritage and the magical world, a ten year-old Harry Potter is left to fend for himself against two factions, each plotting and conspiring to find him before the other.
Harry Potter - Rated: M - English - Chapters: 1 - Words: 16,348 - Reviews: 172 - Favs: 572 - Follows: 167 - Published: 4/8/2011 - Harry P. - Complete
A Different Kind of Hero
by SinSlash reviews
In America, Harry befriends one Sam Winchester and after an unexpected "visit" from Sam's jerk of a brother Harry isn't able to get the man's devilish smile off his mind. Once more, adventure calls but will Harry heed it? Does he even want to? Slash.
Crossover - Harry Potter & Supernatural - Rated: M - English - Romance/Drama - Chapters: 11 - Words: 74,680 - Reviews: 483 - Favs: 886 - Follows: 1,446 - Updated: 3/17/2011 - Published: 6/17/2010 - Harry P., Dean W.
Before the Sun Breaks Another Day
by AccordingToMel reviews
Three months after her disappearance, Morgana returns to Camelot with a hidden agenda, but she's not the only one keeping secrets, and a series of unintended revelations forces her, Merlin & Arthur on an intertwined journey of revenge, redemption & love.
Merlin - Rated: M - English - Drama/Romance - Chapters: 17 - Words: 115,087 - Reviews: 84 - Favs: 191 - Follows: 104 - Updated: 3/3/2011 - Published: 8/22/2010 - Merlin, Arthur - Complete
Crossing the Line
by Ultra-Geek reviews
In which Merlin is bludgeoned, strangled, attacked, smothered, shot with glass, and tossed out a window, burned, whipped, stabbed, thrown down stairs, nearly drowned on dry land, and harpooned, and still manages to save Camelot from seven evil sorcerers.
Merlin - Rated: T - English - Humor/Adventure - Chapters: 1 - Words: 4,415 - Reviews: 235 - Favs: 1,201 - Follows: 102 - Published: 2/18/2011 - Merlin, Arthur - Complete
Hold Me While I'm Here
by Nitte iz reviews
Dumbledore gives Harry an offer he can't refuse. A year at Hogwarts without constant whispering, life-threatening situations, or Voldemort. How? By taking a trip to when Marauders were still faithful and 16. !Um, make that one out of three!
Harry Potter - Rated: T - English - Angst/Humor - Chapters: 40 - Words: 139,503 - Reviews: 4029 - Favs: 3,642 - Follows: 3,870 - Updated: 10/11/2010 - Published: 9/8/2003 - Harry P., James P.
The Strange Disappearance of SallyAnne Perks
by Paimpont reviews
Harry recalls that a pale little girl called Sally-Anne was sorted into Hufflepuff during his first year, but no one else remembers her. Was there really a Sally-Anne? Harry and Hermione set out to solve the chilling mystery of the lost Hogwarts student.
Harry Potter - Rated: T - English - Mystery/Suspense - Chapters: 11 - Words: 36,835 - Reviews: 1259 - Favs: 2,359 - Follows: 876 - Updated: 10/8/2010 - Published: 8/16/2010 - Harry P., Hermione G. - Complete
You Leave the World Behind
by Moriarty's Minion reviews
Part 1 of a HP/Supernatural crossover series. After an incident with the veil, Harry starts a new life in California. There he finds the Winchester family and a new destiny. H/D. SLASH. COMPLETE. Winner of TWO Always Hoping Fanfiction Awards.
Crossover - Harry Potter & Supernatural - Rated: M - English - Adventure/Drama - Chapters: 17 - Words: 106,540 - Reviews: 1254 - Favs: 2,070 - Follows: 1,123 - Updated: 9/19/2010 - Published: 10/12/2009 - Harry P., Dean W. - Complete
King of Dae
by SinSlash reviews
Harry has always had a connection with Darkness, but he never thought he’d become its King. Now his underlings are being hunted in America and Harry goes there personally to investigate. Slash. Sam/Harry/Dean.
Crossover - Harry Potter & Supernatural - Rated: M - English - Supernatural/Romance - Chapters: 17 - Words: 99,946 - Reviews: 1126 - Favs: 1,811 - Follows: 2,365 - Updated: 6/8/2010 - Published: 4/20/2010 - Harry P.
A Wizard's Song of Ice and Fire
by Dark Lord Uzumaki reviews
Harry's trapped in the Middle Ages. He's alone, without his wand, and no escape. There is no Hogwarts, there are no founders, only war, and destruction. Based on the most violent book of our generation: G.R.R. Martin's "A Game of Thrones"
Crossover - Harry Potter & A song of Ice and Fire - Rated: M - English - Chapters: 1 - Words: 14,277 - Reviews: 134 - Favs: 254 - Follows: 351 - Published: 2/6/2010 - Harry P., Jon S.
by ShadowoftheMoon6 reviews
There is one rule that is never to be broken under King Arthur rule, 'Never touch the stone statue in the west courtyard.'
Merlin - Rated: K - English - Angst - Chapters: 1 - Words: 316 - Reviews: 10 - Favs: 21 - Follows: 2 - Published: 12/7/2009 - Merlin, Arthur
The Knights Have a Thousand Eyes
by Stakeaclaim reviews
In which Arthur is out of sorts. His manservant leaves a lot to be desired, Morgana is scary, Merlin's 'luck' is becoming too noticeable, his knights need to learn some lessons, and they're beginning to act very strangely. Arthur blames Merlin. COMPLETE
Merlin - Rated: T - English - Friendship/Romance - Chapters: 10 - Words: 73,565 - Reviews: 475 - Favs: 1,306 - Follows: 267 - Updated: 10/20/2009 - Published: 6/7/2009 - Arthur, Merlin - Complete
by Worfe reviews
Harry Potter never had much luck, being sent to his parents’ past should have been expected. 'Complete' Time travel fic.
Harry Potter - Rated: T - English - Supernatural - Chapters: 13 - Words: 130,020 - Reviews: 1720 - Favs: 5,464 - Follows: 1,472 - Updated: 7/7/2009 - Published: 4/15/2008 - Harry P., James P. - Complete
A Smudge of Flour
by Diamond-Raven reviews
Arthur starts noticing Merlin has smudges of flour on his cheek in the mornings. While trying to come up with plausible explanations, Arthur discovers he really doesn’t like some of those explanations. Merlin/Arthur pre-slash, mild imagined het
Merlin - Rated: M - English - Romance - Chapters: 1 - Words: 3,255 - Reviews: 66 - Favs: 482 - Follows: 28 - Published: 4/11/2009 - Merlin, Arthur - Complete
Six Years, Six Applicants
by Sarah1281 reviews
Chronicling Dumbledore's never-ending and sometimes desperate attempts to fill the Defense Against the Dark Arts postion with anyone but Snape and Snape's persistent attempts to land the job anyway.
Harry Potter - Rated: K+ - English - Humor - Chapters: 6 - Words: 11,536 - Reviews: 265 - Favs: 769 - Follows: 94 - Updated: 1/19/2009 - Published: 1/5/2009 - Albus D., Severus S. - Complete
Dreams and Nightmares
by Pied Flycatcher reviews
The line between fiction and reality is blurred when the Doctor and Donna land in Hogwarts. But as they are about to discover, the imagination can be both a wonderful and terrifying thing. Complete.
Crossover - Doctor Who & Harry Potter - Rated: K - English - Adventure - Chapters: 1 - Words: 10,517 - Reviews: 38 - Favs: 109 - Follows: 9 - Published: 9/22/2008 - 10th Doctor, Donna N., Remus L. - Complete
Goldilocks and the Four Heads of Houses
by DailyProphetEditor reviews
This is a plain silly humour fic about the events of Valentine's Day in CoS. Lockhart makes a pass on Snape, who would rather face the basilisk instead. Minerva has a word or two to say about it. A little slashy, a hint of MMSS, and a lot of pink confetti
Harry Potter - Rated: T - English - Humor/Friendship - Chapters: 5 - Words: 11,405 - Reviews: 140 - Favs: 208 - Follows: 15 - Updated: 8/31/2007 - Published: 8/19/2007 - Severus S., Minerva M. - Complete
Just a Random Tuesday…
by Twisted Biscuit reviews
A VERY long Tuesday in the life of Minerva McGonagall. With rampant Umbridgeitis, uncooperative Slytherins, Ministry interventions, an absent Dumbledore and a schoolwide shortage of Hot Cocoa, it’s a wonder she’s as nice as she is.
Harry Potter - Rated: K+ - English - Humor - Chapters: 3 - Words: 58,525 - Reviews: 344 - Favs: 1,068 - Follows: 124 - Updated: 10/1/2006 - Published: 8/26/2006 - Minerva M., Dolores U. - Complete
To Face the Wolf
by Maglor's finch reviews
In the Hogwarts dungeons, Snape finds a mysterious, badly wounded stranger. He appears to be bitten by a werewolf. What happened? Timeframe: Prisoner of Azkaban. Crossover with Tolkien's Silmarillion. Complete.
Crossover - Harry Potter & Silmarillion - Rated: T - English - Mystery - Chapters: 18 - Words: 58,497 - Reviews: 130 - Favs: 123 - Follows: 14 - Updated: 8/20/2006 - Published: 4/18/2006 - Remus L. - Complete