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To Shape and Change
by Blueowl reviews
AU. Time Travel. Snape goes back in time, holding the knowledge of what is to come if he fails. No longer holding a grudge, he seeks to shape Harry into the greatest wizard of all time, starting on the day Hagrid took Harry to Diagon Alley. No Horcruxes.
Harry Potter - Rated: T - English - Adventure - Chapters: 34 - Words: 232,332 - Reviews: 7447 - Favs: 10,378 - Follows: 9,485 - Updated: 3/16 - Published: 10/20/2010 - Harry P., Severus S. - Complete
Harry Potter and the Discworld
by JK Pratchett reviews
After surviving the Killing Curse, Harry Potter attracts Death's curiosity. As a result, the barriers separating the Roundworld and the Discworld begin to break down, leading to more danger than Harry could ever have imagined...
Crossover - Harry Potter & Discworld - Rated: T - English - Humor/Adventure - Chapters: 36 - Words: 116,794 - Reviews: 357 - Favs: 548 - Follows: 688 - Updated: 7/11/2013 - Published: 10/7/2008 - Harry P.
Zero's Noble Overlord
by Shintouyu reviews
The Overlord, man of many titles and known for his noble deeds, was to be forever trapped in the Abyss. Yet, one day, a portal opens up and allows him to escape from his eternal prison, and thus he becomes the guardian familiar of a little strawberry blond girl. [Discontinued]
Crossover - Familiar of Zero & Overlord - Rated: T - English - Humor/Fantasy - Chapters: 32 - Words: 123,253 - Reviews: 273 - Favs: 451 - Follows: 421 - Updated: 11/13/2012 - Published: 7/5/2012 - Complete
The Left ARM of God
by RealmOfEmptiness reviews
"Oh sacred, beautiful and strong familiar!" Let's give her exactly what she asked, okay?
Crossover - Evangelion & Familiar of Zero - Rated: T - English - Supernatural/Humor - Chapters: 5 - Words: 19,404 - Reviews: 223 - Favs: 602 - Follows: 660 - Updated: 6/30/2012 - Published: 9/29/2011 - Zeruel, Louise
Your Past, My Future
by Slavok reviews
Lelouch suffered defeat, despair, and ultimately betrayal, but when he faces the Emperor, he wakes up before Zero was created. Suddenly in the past, he has the power to remake the future. Time travel. Probably Lelouch Kallen pairing.
Code Geass - Rated: T - English - Adventure/Romance - Chapters: 13 - Words: 69,891 - Reviews: 578 - Favs: 1,209 - Follows: 934 - Updated: 6/21/2012 - Published: 3/24/2010 - Lelouch L., Kallen S. - Complete
by fringeperson reviews
Young Harry liked numbers, he liked using numbers and working out the value of things. When he found out that he was a wizard and had a big pile of gold... well, he had something new to calculate. oneshot, complete, don't own.
Harry Potter - Rated: K - English - Chapters: 1 - Words: 18,141 - Reviews: 765 - Favs: 6,012 - Follows: 1,144 - Published: 12/8/2011 - Harry P. - Complete
by ShayneT reviews
Trapped by an alien collector, Lieutenant Commander Data discovers an early 21st century android excavated from the ruins of Sunnydale and a capsule containing the frozen body of one of the Eugenic wars most notorious figures...Buffy Summers.
Crossover - StarTrek: The Next Generation & Buffy: The Vampire Slayer - Rated: T - English - Chapters: 47 - Words: 103,194 - Reviews: 201 - Favs: 344 - Follows: 180 - Updated: 9/14/2011 - Published: 6/12/2011 - Data, Buffy S.
Fake Psychics and Psychic Paper
by Sarah1281 reviews
Instead of hiding in London, the Plasmavore takes refuge in a Santa Barbara hospital. Now instead of a doctor with a crush, the Doctor's got a pyschic detective and his partner at his side as he attempts a life without Rose but with plenty of pineapples.
Crossover - Doctor Who & Psych - Rated: K+ - English - Humor/Friendship - Chapters: 13 - Words: 70,528 - Reviews: 314 - Favs: 436 - Follows: 135 - Updated: 6/24/2011 - Published: 4/1/2011 - 10th Doctor, Shawn S. - Complete
Harry Potter: Dark Memories
by Blueowl reviews
Voldemort didn't just give Harry some of his powers that night. He gave him all of his memories. With them, his allies and friends, Harry shall change the Wizarding World like no one ever before. LightHarry. GoodDumbledore. Chaotic magic. COMPLETE!
Harry Potter - Rated: T - English - Adventure - Chapters: 57 - Words: 301,128 - Reviews: 4006 - Favs: 5,302 - Follows: 2,845 - Updated: 7/14/2010 - Published: 7/13/2007 - Harry P. - Complete
Tumbling into Madness
by Laialda reviews
Eight year old Harry Potter was trudging through another day when something wonderful and terrifying occurs. Find out what happens when he ends up on the other side of the Looking Glass... A Harry and Hatter family story. Sequel is in progress.
Crossover - Harry Potter & Alice, 2009 - Rated: T - English - Family/Adventure - Chapters: 16 - Words: 97,762 - Reviews: 179 - Favs: 401 - Follows: 182 - Updated: 6/29/2010 - Published: 2/16/2010 - [Hatter, Alice H.] Harry P. - Complete
Oh God Not Again!
by Sarah1281 reviews
So maybe everything didn't work out perfectly for Harry. Still, most of his friends survived, he'd gotten married, and was about to become a father. If only he'd have stayed away from the Veil, he wouldn't have had to go back and do everything AGAIN.
Harry Potter - Rated: K+ - English - Humor/Parody - Chapters: 50 - Words: 162,700 - Reviews: 9499 - Favs: 10,615 - Follows: 4,554 - Updated: 12/22/2009 - Published: 9/13/2008 - Harry P. - Complete
Path of Decision
by lulu42 reviews
Voldemort is in power, but the Wizarding World fights back. Harry Potter, Master of Death, is faced with a choice, move forward or change everything? Sandman Crossover COMPLETED!
Harry Potter - Rated: T - English - Chapters: 60 - Words: 244,659 - Reviews: 1279 - Favs: 1,430 - Follows: 853 - Updated: 12/7/2009 - Published: 7/31/2008 - Harry P. - Complete
Children of the Red Sun
by Darth Marrs reviews
Sequel to the Legacy of the Red Sun Trilogy. Kale Naberrie has everything he hoped for. A wife and two beautiful children. It was a dream. But like all dreams, this one had to end.
Star Wars - Rated: T - English - Sci-Fi/Fantasy - Chapters: 46 - Words: 167,072 - Reviews: 335 - Favs: 162 - Follows: 88 - Updated: 10/3/2009 - Published: 7/5/2008 - Complete
by MaureenT reviews
Daniel is transported into the past, where he meets a Goa'uld like no other, one who will play an extraordinary role in history. Will Daniel's presence alter the course of that history or will it lead to something he could never have imagined? COMPLETE.
Stargate: SG-1 - Rated: T - English - Adventure/Drama - Chapters: 20 - Words: 127,240 - Reviews: 429 - Favs: 366 - Follows: 227 - Updated: 8/6/2009 - Published: 2/18/2009 - D. Jackson - Complete
by Rap541 reviews
GalacticaStar Trek Next Generation. What do you do when you're a lost Starfleet officer in the Beta Quadrant? You blend in and hope for the best.
Battlestar Galactica: 2003 - Rated: K+ - English - Drama - Chapters: 67 - Words: 156,591 - Reviews: 1304 - Favs: 692 - Follows: 468 - Updated: 3/22/2009 - Published: 2/16/2007 - Gaeta
by Kensington reviews
Choosing a practical costume has unintended side-effects for Xander.
Crossover - Buffy: The Vampire Slayer & Firefly - Rated: T - English - Chapters: 1 - Words: 9,354 - Reviews: 25 - Favs: 155 - Follows: 53 - Published: 10/21/2008 - Xander H. - Complete
The Hidden Hero
by EveBB reviews
AU What if Harry knew he was a wizard and about the prophecy before he went to Hogwarts? What if he was kicked out of the Dursleys and decided to attend Hogwarts disguised as a muggleborn? Harry Ginny
Harry Potter - Rated: T - English - Chapters: 36 - Words: 181,065 - Reviews: 2724 - Favs: 2,912 - Follows: 968 - Updated: 1/28/2008 - Published: 1/6/2008 - Harry P. - Complete
by DobbyElfLord reviews
DONE! Harry has defeated Voldemort, but it was a costly victory. Aberforth Dumbledore presents a plan to go back and kill the infant Riddle, but Harry will have to stay there 10 years. Can Harry alter the wizarding world's destiny? WWII and Grindelwald
Harry Potter - Rated: T - English - Supernatural/Suspense - Chapters: 39 - Words: 289,078 - Reviews: 3364 - Favs: 4,938 - Follows: 1,731 - Updated: 9/1/2007 - Published: 9/15/2006 - Harry P., Tom R. Jr. - Complete
Make A Wish
by Rorschach's Blot reviews
Harry has learned the prophesy and he does not believe that a schoolboy can defeat Voldemort, so he decides that if he is going to die then he is first going to live.
Harry Potter - Rated: T - English - Humor/Adventure - Chapters: 50 - Words: 187,589 - Reviews: 9149 - Favs: 10,650 - Follows: 2,898 - Updated: 6/17/2006 - Published: 3/23/2005 - Harry P. - Complete
Harry Potter: Spirits of the Past and Future reviews
Previously titled "Past meets Future: Harry's Angels" Hermione casts a spell to change the past and fix the present; however, she is not the only influence that will enter the child Harry's life.
Harry Potter - Rated: K+ - English - Fantasy/Friendship - Chapters: 11 - Words: 26,929 - Reviews: 25 - Favs: 20 - Follows: 41 - Updated: 8/5/2012 - Published: 10/12/2008 - Harry P., Hermione G.