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If I Knew Then What I Know Now
by What You See in the Shadows reviews
Given an opportunity to change his family's destiny, Dean Winchester finds himself back in 1983 as his four year old self, yet with his adult memories still intact. But can he alter the events of that tragic night? And if so, will young Dean, his family, and Castiel be ready to survive all the evil that destiny has in store for them? pre-series AU
Supernatural - Rated: T - English - Supernatural/Family - Chapters: 130 - Words: 332,451 - Reviews: 4376 - Favs: 877 - Follows: 1,097 - Updated: 4/18 - Published: 12/26/2012 - Dean W., Castiel
by Dreams2Paper11 reviews
In which Harry was sealed inside Tom Riddle's diary during his second year and tossed into another world, upon where he finds himself in Bruce Banner's lonely hands. With the life Banner leads, he supposes that he shouldn't be surprised by this "Harry Potter" kid somehow sealed in a "magical" diary. Besides, what's better than having a friend that can fit in your pocket? NO SLASH.
Crossover - Harry Potter & Avengers - Rated: T - English - Hurt/Comfort/Angst - Chapters: 16 - Words: 54,916 - Reviews: 1708 - Favs: 2,249 - Follows: 3,201 - Updated: 2/26 - Published: 6/1/2013 - Harry P., Hulk/Bruce B.
by Threehandluke reviews
After some dimensional weirdness, Moon Knight finds himself in Arkham Asylum. It's a place that fits him all too well.
Crossover - Batman & Marvel - Rated: T - English - Suspense - Chapters: 2 - Words: 2,526 - Reviews: 4 - Favs: 1 - Follows: 4 - Updated: 2/24 - Published: 2/20 - Harley Quinn, The Joker, Arnold W./Ventriloquist, Scarface
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: 561,157 - Reviews: 23757 - Favs: 13,410 - Follows: 12,319 - Updated: 12/11/2013 - Published: 2/28/2010 - Harry P., Hermione G.
by ConcertiGrossi reviews
NOW COMPLETE! An unlikely romance with really, really terrible timing. (Phil Coulson/Cellist) NOW COMPLETE!
Avengers - Rated: T - English - Romance - Chapters: 7 - Words: 49,479 - Reviews: 48 - Favs: 57 - Follows: 44 - Updated: 10/10/2013 - Published: 10/12/2012 - Agent Phil Coulson - Complete
A Captain And A Madman
by RazielLordOfSquirrels reviews
When a strange, blue box appears in the middle of Federation territory, motionless and without power, it's up to the crew of the Enterprise D to determine just who its strange occupant is... and if he is friend or foe. Even as that very madman wonders just what kind of reality he's found himself in... and if he really wants to find his way back... (SOME REVIEWS CONTAIN SPOILERS)
Crossover - StarTrek: The Next Generation & Doctor Who - Rated: T - English - Sci-Fi/Adventure - Chapters: 22 - Words: 95,440 - Reviews: 182 - Favs: 278 - Follows: 155 - Updated: 8/21/2013 - Published: 5/23/2013 - Complete
Clashing with Legends
by routavaurio reviews
After a chance encounter with a strange boy, S.H.I.E.L.D. and the Avengers catch wind of a mysterious group called the Guardians. They might be a new threat, or they might be hidden allies, older than any of them had imagined. And the longer it takes to decide what to do about them, the worse everything gets...
Crossover - Avengers & Rise of the Guardians - Rated: T - English - Adventure/Drama - Chapters: 16 - Words: 62,309 - Reviews: 514 - Favs: 761 - Follows: 520 - Updated: 6/30/2013 - Published: 4/19/2013 - Iron Man/Tony S., Jack Frost - Complete
When Worlds Collide
by elfinblue reviews
When a kidnapped Tony DiNozzo is rescued by legendary - and supposedly dead - serial killers Dean and Sam Winchester, the NCIS team takes over the Winchester investigation. What they find is a file filled with contradictions and impossibilities. This is an attempt to cross these shows but keep both in canon. No slash. No pairings.
Crossover - NCIS & Supernatural - Rated: T - English - Mystery/Adventure - Chapters: 21 - Words: 113,980 - Reviews: 1231 - Favs: 1,372 - Follows: 789 - Updated: 6/9/2013 - Published: 2/16/2013 - Complete
by Dean'sNerdyAngel reviews
Clint may not be able to hear next to nothing, but he is not useless. But he doesn't tell his team anyway. Deaf!Clint. A deaf fic written by a deaf author.
Avengers - Rated: T - English - Drama - Chapters: 4 - Words: 9,763 - Reviews: 61 - Favs: 81 - Follows: 113 - Updated: 3/3/2013 - Published: 11/24/2012 - Hawkeye/Clint B.
My Nephew Harry
by Lucillia reviews
During the two months she had watched her eight year-old nephews, Marge Dursley discovered that Petunia was a pathological liar, Vernon had somehow been brainwashed by that no good b***h, Dudley was the spawn of Satan, and Harry was actually a good kid.
Harry Potter - Rated: K+ - English - Family - Chapters: 15 - Words: 21,044 - Reviews: 970 - Favs: 2,496 - Follows: 2,505 - Updated: 8/25/2012 - Published: 6/25/2009 - Marge D., Harry P. - Complete
by sprinter1988 reviews
This is the sequel to Harry's Had Enough. You don't have to read that first, but it might be better if you do. Harry in a position on power, he's a bit unscrupulous in this one. Dumbledore, Ministry and Death Eater bashing. Also a bit of Ron bashing and general wizard society bashing. H/Hr. Now Complete!
Harry Potter - Rated: T - English - Chapters: 7 - Words: 29,310 - Reviews: 699 - Favs: 2,037 - Follows: 1,236 - Updated: 7/21/2012 - Published: 1/28/2012 - Harry P., Hermione G. - Complete
by tysunkete reviews
The aftermath, as how I see it. An apology has never been so difficult.
Avengers - Rated: T - English - Friendship/Angst - Chapters: 7 - Words: 27,677 - Reviews: 72 - Favs: 150 - Follows: 131 - Updated: 7/20/2012 - Published: 6/27/2012 - Captain America/Steve R., Iron Man/Tony S. - Complete
In Case of Emergency
by Deranged Black Kitten reviews
It had started as a joke, contingency plans made for various hypothetical circumstances, but then the world falls under mind-control, their mentors turning against them, and those rules made up in jest become something to survive by.
Young Justice - Rated: T - English - Friendship/Adventure - Chapters: 1 - Words: 49,504 - Reviews: 289 - Favs: 852 - Follows: 87 - Published: 12/8/2011 - Richard G./Robin, Wally W./Kid Flash, Roy Harper/Red Arrow - Complete
by etherian reviews
11 yr old Harry misses the Hogwarts Express. Snape is sent to find out why. What he finds changes any preconceived notions he might have had about the Boy-Who-Lived. AU, manipulative!Dumbledore, DE's, Voldy, but no horcruxes.
Harry Potter - Rated: T - English - Drama/Angst - Chapters: 28 - Words: 353,737 - Reviews: 2294 - Favs: 3,235 - Follows: 1,896 - Updated: 11/27/2011 - Published: 2/18/2010 - Harry P., Severus S. - Complete
Whatever Happened to the Likely Lad?
by nonjon reviews
COMPLETE. One-Shot. Hermione Granger has to locate Harry Potter or she'll lose her job. She's more than a little curious what he's been up to the last few years. Perhaps, she'd be better off figuring out where he's going rather than where he's been.
Harry Potter - Rated: M - English - Drama - Chapters: 1 - Words: 20,124 - Reviews: 218 - Favs: 794 - Follows: 191 - Published: 9/19/2011 - Complete
Tea and Sympathy
by Selena reviews
Sometimes meeting each other in the wrong order means you know just what to listen for. Guinan and the Doctor through the centuries.
Crossover - StarTrek: The Next Generation & Doctor Who - Rated: K+ - English - Friendship - Chapters: 1 - Words: 5,264 - Reviews: 18 - Favs: 58 - Follows: 8 - Published: 6/19/2010 - Guinan, 10th Doctor - Complete
In the Garden
by Lindenharp reviews
How do you thank someone for saving the world - again? Minor spoilers for "Planet of the Dead" .
Doctor Who - Rated: K - English - Humor - Chapters: 1 - Words: 2,074 - Reviews: 9 - Favs: 39 - Follows: 2 - Published: 8/22/2009 - 10th Doctor - Complete
Clone to Clone
by PaBurke reviews
Two not-so-unique individuals meet in a high school classroom
Crossover - Pretender & Stargate: SG-1 - Rated: T - English - Chapters: 2 - Words: 23,685 - Reviews: 35 - Favs: 127 - Follows: 35 - Published: 6/27/2009 - Complete
by ZephyrHawk reviews
Heroes. Monsters. Villains. Witches. True Love. Not just your basic, average, everyday, ordinary, run-of-the-mill, ho-hum fairy tale.
Crossover - Doctor Who & Fables - Rated: T - English - Adventure/Romance - Chapters: 24 - Words: 90,512 - Reviews: 50 - Favs: 33 - Follows: 8 - Updated: 6/13/2009 - Published: 5/24/2009 - 10th Doctor - Complete
by kateydidnt reviews
Immediately post Journey's End. The Doctor has a very strange visitor in the TARDIS. Crossover with Star Trek: TNG
Crossover - StarTrek: The Next Generation & Doctor Who - Rated: K - English - Humor - Chapters: 1 - Words: 776 - Reviews: 43 - Favs: 63 - Follows: 59 - Published: 11/23/2008 - Q, 10th Doctor
Lost In The Woods
by Ardwolf reviews
Captain Picard’s bad day just got a lot worse, courtesy of Q. Which is nothing compared to the day Malcolm Reynolds is about to have when River starts babbling about the kindly t’ien lung and his curious bunny rabbit… ST:TNG/Firefly crossover.
Crossover - StarTrek: The Next Generation & Firefly - Rated: M - English - Sci-Fi - Chapters: 14 - Words: 39,901 - Reviews: 135 - Favs: 461 - Follows: 80 - Published: 10/18/2008 - Complete
by SilverWolf7 reviews
Jackie runs into the First Doctor and Susan and introduces them to tea.
Doctor Who - Rated: K - English - Chapters: 1 - Words: 1,460 - Reviews: 25 - Favs: 85 - Follows: 4 - Published: 6/18/2008 - 1st Doctor, Jackie T. - Complete
A Monument to Loss
by ben10987654321 reviews
Kathryn Janeway is going to her quarters when she finds Q sitting there. He goes on to tell about the greatest war in history, The Time War. ST:VOY and Doctor Who xover.
Crossover - StarTrek: Voyager & Doctor Who - Rated: K - English - Chapters: 1 - Words: 1,473 - Reviews: 36 - Favs: 82 - Follows: 21 - Published: 4/28/2008 - Complete
Pas de Deux
by Neoinean reviews
An encounter between Robin and Slade, set a few years into the future, starring their secret identities.
Teen Titans - Rated: K+ - English - Drama - Chapters: 1 - Words: 3,901 - Reviews: 30 - Favs: 117 - Follows: 11 - Published: 4/24/2008 - Robin, Slade - Complete
This Is How The Universe Ends
by shewhoguards reviews
EXCUSE ME, he said, not impolitely. BUT YOU ARE HOLDING UP THE END OF THE UNIVERSE.
Crossover - Discworld & Torchwood - Rated: K+ - English - Humor/Angst - Chapters: 1 - Words: 3,993 - Reviews: 83 - Favs: 267 - Follows: 13 - Published: 4/20/2008 - Complete
by Celebony reviews
Dudley begins to see his family in a different light. Warning: strong language and themes of child abuse. WINNER: Best One-Shot at Quibbler Awards
Harry Potter - Rated: T - English - Drama - Chapters: 1 - Words: 18,108 - Reviews: 1074 - Favs: 4,516 - Follows: 426 - Published: 4/2/2008 - Dudley D., Harry P. - Complete
Guy Fawkes Day
by MisterQ reviews
Harry Potter destroys Magical England
Harry Potter - Rated: T - English - Horror - Chapters: 1 - Words: 3,149 - Reviews: 181 - Favs: 767 - Follows: 150 - Published: 2/18/2008 - Complete
Seven for a Secret
by Ravenclaw42 reviews
Doctor Who, Neil Gaiman's Sandman. Seven times the Doctor met the Endless.
X-overs - Rated: T - English - Drama - Chapters: 1 - Words: 7,072 - Reviews: 2 - Favs: 14 - Published: 1/18/2008 - Complete
A Stranger in the Promised Land
by serpant-sorcerer reviews
PART II: Harry Potter thought that he had found a way home but something went wrong. Now he finds himself trapped in another dimension, in which someone else was cursed with the famous scar, and Tom Riddle never became the Dark Lord.
Harry Potter - Rated: M - English - Mystery/Adventure - Chapters: 4 - Words: 109,659 - Reviews: 526 - Favs: 1,192 - Follows: 1,350 - Updated: 1/16/2008 - Published: 6/14/2007 - Harry P., Tom R. Jr.
by SmallInsect reviews
Martha Kent is used to unusual people turning up on her doorstep. [One shot, composed of various small snippets and ficlets centred around one theme.]
Justice League - Rated: K+ - English - Family/Humor - Chapters: 1 - Words: 4,532 - Reviews: 42 - Favs: 182 - Follows: 9 - Published: 9/2/2007 - Clark K./Kal-El/Superman - Complete
A Second Coming
by Rosethorn reviews
Grace Holloway never expected to see the Doctor again. Certainly not like this. Spoilers for season 3 and season 4 casting of New!Who. Starring Ten, Donna, Martha and, of course, Grace.
Doctor Who - Rated: K - English - Humor - Chapters: 1 - Words: 1,677 - Reviews: 12 - Favs: 41 - Follows: 6 - Published: 8/21/2007 - 10th Doctor, Grace H. - Complete
by KrystinaSky reviews
Superman Returns xover with Smallville. Clark remebers the old Lex Luthor during the events of Superman Returns. Very angsty, but not hopeless.
Superman - Rated: K+ - English - Angst/Drama - Chapters: 1 - Words: 730 - Reviews: 18 - Favs: 37 - Follows: 4 - Published: 2/12/2007 - Complete
I'm Here to Help
by Mark Doherty reviews
It has now come to this. I have lived too long, failed too often, and lost all that matters. Grant me this one last gamble. Grant me an end to our eternal conflict. Grant me the death of she who enslaved our world with its Purification. Grant me Serenity.
Sailor Moon - Rated: M - English - Drama/Angst - Chapters: 8 - Words: 61,045 - Reviews: 105 - Favs: 381 - Follows: 80 - Updated: 1/18/2007 - Published: 1/12/2007 - Rei H./Raye/Sailor Mars - Complete
Browncoat, Green Eyes
by nonjon reviews
COMPLETE. Firefly: :Harry Potter crossover Post Serenity. Two years have passed since the secret of the planet Miranda got broadcast across the whole 'verse in 2518. The crew of Serenity finally hires a new pilot, but he's a bit peculiar.
Crossover - Harry Potter & Firefly - Rated: M - English - Adventure - Chapters: 39 - Words: 298,538 - Reviews: 4064 - Favs: 5,191 - Follows: 1,345 - Updated: 11/12/2006 - Published: 3/23/2006 - Harry P., River - Complete
by Ananke Adrasteia reviews
Crossover with Harry Potter: seven characters, seven Endless, the works. Snape and Morpheus share an archetype, Dumbledore chats with Destiny and so on...
Sandman - Rated: T - English - Chapters: 6 - Words: 9,035 - Reviews: 23 - Favs: 41 - Follows: 9 - Updated: 10/19/2006 - Published: 10/15/2006 - Complete
Sweet Dream Sweets
by BajaB reviews
To help stop Voldemort sending Harry nightmares, and to extract a little revenge while they are at it, the twins develop a new treat. No DH Humor. Oneshot.
Harry Potter - Rated: K+ - English - Humor - Chapters: 1 - Words: 2,390 - Reviews: 80 - Favs: 370 - Follows: 59 - Published: 6/29/2006 - George W., Harry P. - Complete
My Grandfather's Ghost
by Alex Schira reviews
A Fenton who doesn't believe in ghosts. Now there's an oxymoron. Young Alan Fenton is about to get a handson lesson about his family history, and about himself. Early chapters are being extremely rewritten up to around chapter 10, as of November 2009.
Danny Phantom - Rated: T - English - Chapters: 35 - Words: 306,291 - Reviews: 344 - Favs: 101 - Follows: 65 - Updated: 6/6/2006 - Published: 5/4/2005
A Real Hero
by Alex Schira reviews
The Titans are about to meet a new breed of hero. Not one with gadgets, powers or magic, but the one thing that matters. Guts. Read and Review, updates will come eventually.
Teen Titans - Rated: T - English - Humor - Chapters: 7 - Words: 22,397 - Reviews: 44 - Favs: 30 - Follows: 25 - Updated: 9/10/2005 - Published: 5/11/2005
by mosylu reviews
A librarian's job is never done . . . especially not at Hogwarts . . . and especially when a certain toadlike High Inquisitor is nosing around.
Harry Potter - Rated: K - English - Chapters: 1 - Words: 2,019 - Reviews: 182 - Favs: 563 - Follows: 47 - Published: 10/11/2004 - Dolores U. - Complete
The Last Temptation of Alfred
by David Hines reviews
At a butlering convention, Alfred has a moment of weakness.
Batman - Rated: K+ - English - Humor - Chapters: 1 - Words: 2,805 - Reviews: 102 - Favs: 430 - Follows: 43 - Published: 3/12/2004
by Marcus Rowland reviews
A Key comes out of the Wormhole... then things get weird... BtVS Deep Space Nine, COMPLETE - epilogue added 27.11
Crossover - StarTrek: Deep Space Nine & Buffy: The Vampire Slayer - Rated: K+ - English - Sci-Fi/Supernatural - Chapters: 8 - Words: 23,391 - Reviews: 72 - Favs: 40 - Follows: 10 - Updated: 11/27/2003 - Published: 11/1/2003 - Dawn S. - Complete
With Just a Look
by Arlene reviews
Batman and Nightwing have a "discussion"
Batman - Rated: K - English - Chapters: 1 - Words: 802 - Reviews: 71 - Favs: 346 - Follows: 23 - Published: 8/9/2001
The Batman Protocols
by Adrian Tullberg reviews
Can't stay away from the current JLA thread ...
DC Superheroes - Rated: T - English - Humor - Chapters: 1 - Words: 626 - Reviews: 37 - Favs: 30 - Follows: 4 - Published: 9/6/2000
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