(Inspired by "De-Aged" by "The Bibliomaniac".) Jack & the 10th Doctor Duplicate are caught in a potions accident. Getting de-aged. Then immediately, and accidentally, change the future... inadvertently convincing 11 year old Tom Riddle to join Hufflepuff. WARNING: Spanking, Corporal Punishment, CP, Yaoi. (Rewrite & Repost): Time Tots, Boekin, & Tenza at Hogwarts. OH MY!

Torture at the hands of Bellatrix Lestrange unlocks Hermione's hidden hertiage. She is Romanadvoratrelundar, former companion to the Doctor and President of Gallifrey during the Last Great Time War. With the Time Lady on their side, the war against Voldemort suddenly looks winnable. But for Harry and Ron, will that compensate for the loss of their best friend?

Watch and Read as the Master, the Doctor and Harry have to leave the Doctor Who universe and have to move onto the New Magical Organic Reality Traveling Time Ship Harry buit for them called Everywhere and where they could be going next! [PLEASE NOTE THE DOCTOR IS MALE AND STILL LOOKS LIKE HE DID FROM THE TIME WAR STORY]

The Summary is in the first chapter.

Josie Vulpes finally got the letter she was waiting for: a Hogwarts letter. But little did she know, her journey through the school of Witchcraft and Wizardry was going to be far from uneventful…

If Ember thought that her first year of Hogwarts had been a challenge, she has another thing coming. With her developing powers, deadly secrets and mystery diaries, this hybrid has certainly got her work cut out for her if she wanted to get through her second year in one piece. HP/DW crossover with some elements of Marvel (Fem!Harry)

Barty Crouch Jr. and the Doctor are in for the surprise of their lives when they are forced to live in one another's shoes. Now both men must navigate and survive the other's unfamiliar world, all the while trying to solve the mystery behind their switch.

John just really wants to ask Rose to Yule Ball. Or perhaps to date her. Or maybe both. But between Jack's antics, her own shyness, and Harry Saxon's bullying, will she make it work?

Watch as the Time War takes on a whole new meaning as Harry enters it to stop the Doctors saving Gallifrey as they intended.

Voldemort attempts to attack lord peverell's castle, he fails and offers a alliance, the order of the phoenix are now in a race to win over lord peverell's allegiance and potentially the war, but it appears lord peverell isn't as he seems

When a mysterious new professor begins teaching at Hogwarts, Juliet begins to wonder who he really is. He claims he is a half-blood wizard by the name of John Smith, but Juliet learns that he's an alien from another planet. With her friends by her side Juliet struggles through her third year at Hogwarts as the Master tries to take control of Juliet and Hermione is the key to it all

The TARDIS crashes in the wonderful world of Harry Potter, taking the Doctor and Martha with it. Like any good adventurers, they explore, and find that most everything is exactly as described in the books. But as they explore further, it becomes clear that there is not one Doctor in this strangely specific universe, but three... 1 Year Fanfiction Anniversary

'Our lives are but specks of dust falling through the fingers of time. Like sands of the hourglass, so are the days of our lives.' – Socrates.

Ember Potter knew that she was different. If the two hearts didn't give it away, it was all the weird stuff that kept happening around her...kinda like magic. This was confirmed when she received a letter from Hogwarts on her 11th birthday. Follow the Girl Who Lived as she navigates her way through her first year. HP/DW crossover with some elements of Marvel (Fem!Harry)

TimeLord!Harry has managed to hold off Regeneration for now but his Regeneration is now about to happen

What if the Doctor wasn't the only Time lord to survive? What if there was another, what if a time lady survived one of the Doctors links one of his mates? However, what if she had no choice but to go through the chameleon's arch? What if she doesn't completely remember him or River Song? Well, meet Kayla Evens.

During Harry's first year at Hogwarts, a mysterious man known only as the Doctor is the new Muggle Studies professor. As Harry passes through each year at the magical school, his and the Doctor's bond grows stronger, even if the latter undergoes a myriad of changes.

When the doctor left to continue his life before he forgot something. His watch, the family that he made was forgotten. But the family never forgot him and passed down the watch to hopefully return it to him but he never came back. They eventually forgot as well but keep passing the watch on to the next generation till it came in to Harry Potter possession.

A mass murderer escapee from Azkaban, Sirius Black, is said to be after Claire and Harry. Join the Golden Quartet as they uncover the truth behind Sirius Black as well as Claire's parents' heritage.

Claire finds a mysterious diary that talks back to her. At first she's hesitant, but as she writes the diary eases her worries. She soon realizes the consequences of confiding in inanimate talking objects and discovers the monster within her is the same one which dwells in the Chamber of Secrets.

Follow Claire Smith (daughter of the Timelord the Doctor and Sirius Black's twin sister Carina Black) to her first year at Hogwarts and becomes a member of the Golden Quartet. She unravels the mystery of her parents disappearance and why she's at the top of Voldemort's hit list along with her best friend Harry Potter. Along the way, Claire discovers some things aren't to be easy.

Bad things happen when you trust the wrong people. Strange things have occurred since the Golden Quartet started their fourth year at Hogwarts. Claire's dreams have revealed there's an insider working for Voldemort at Hogwarts. They know these strange incidents are connected to Voldemort's spy. It's up to them to figure out the imposter's identity before Voldemort rises to power.

A series of seven books where 11 ended up in in a different dimension. He becomes the new astronomy teacher and goes with Harry on his adventures (actually he just follows them without their permission finding his own genius way around obstacle) This book is the scorcerer's stone. Enjoy.

Why do wizards not want the goblins to have wands? Because once they do, they follow the Sontaran guide to planet enslavement, and the general Sontar soldier was... dense and deadly and had wands capable of being used by anybody. A drabble one shot that has Bill Weasley look at extra terrestrial trash.

A British Army Officer joins forces with inhabitants of the wizarding world. This is the first story in the Repliverse Saga