After being appointed as the new Defence Against The Dark Arts teacher. The Doctor visits the Hogwarts battle which Harry Potter along with the members of the Order of the Phoenix against Lord Voldermort and his death eater followers fought each other. So that she has an inside of what sort of evil witches and wizards that Harry and members of the Order of the Phoenix had to face.

A long time ago, he used to be a Professor and the greatest wizard of his generation. A long time ago, he used to be a lot of things he isn't any more but most importantly, Human. Hell, he even used to have a proper gender. Now he was something else, the embodiment of pure evil...He used to have a true name too, not a designation. A long time ago he was Harry Potter.

Doctor Who/Next-gen AU: The 13th Doctor goes to Hogwarts to avoid telling Yaz how she feels when she meets Albus Potter who is in the same place as her. (Written for THC)

"Did I do it?" Donna asked, as The Doctor stared at her with disbelief written all over his face. "That's impossible!" The Doctor exclaimed. Or the one where Donna gives The Doctor a run for his money and Harry is given an opportunity to go anywhere in time and space.

What if the tale of Slytherin's monster lurking below the school was messing an important detail? What would have happened if more than one monster lurked below? Join Harry Potter, as he travels beneath the school to save Ginny Weasley. As the monsters close in, does anyone stand a chance of getting out alive? How this will turn out... No one knows.

'I'd like every of my characters to exist for real and I'd like to meet them, too'. Probably no one warned David Tennant not to make wishes if you're not prepared to see them come true. The Doctor has just lost his Companions to accept an absurd wish is just a way like another not to be alone, no matter if they are creatures with his same features. HUGE (fun) crossover!

When Jenny Smith moves across the road from the Dursley's, Harry get some form of a normal life with his best friend, who also happens to be the half alien daughter of The Doctor and River Song. But when they both start their fifth year in Hogwarts, Jenny has to deal with a DADA teacher after her head and her father's newly regenerated antics in his Eleventh incarnation...

Instead of befriending Ron on the Hogwarts Express, what if Harry befriended a pair of twins, Jodie and Matt Smith, and ended up having his adventures with them instead? Human!Doctors as a family. Fet. 9, 10, 11, 12 and 13 as well as four incarnations of The Master as well. Got the idea from a piece of fan art

Escaping from Dudley's bullying and her relative's cruelty, Harriett 'Harry' Potter is found by her parents' old friend, The Doctor, while in his 8th Incarnation before he has to leave her with Sarah Jane Smith while he fights in the Time War. When he returns in his next incarnation, he's more than ready to look after her and show her the universe while she's off school...

The Doctor comes to visit Hermione on Christmas not knowing that time has moved on while he was away.

After committing a Great Crime against Magic, the Mistress of Death is reborn into a new world. Adopted by Pete Taylor, she becomes the older sister to an inquisitive young lady. and then, she stumbles upon a Mad Man who might just show her the stars and remind her what it means to laugh and live once more.

*Story updated and reloaded.* This story is inspired by The Ballad of Snape (Hero of Hogwarts) by Vladimir Snape, which can be found on you Youtube. Watch it and tell me what you think. Involves the 11th Doctor. Can the Doctor prevent the Fate of Severus Snape and find him a good woman at the same time?

After a trip with Ace, the Seventh Doctor parks the Tardis briefly on the moon, wondering where to go next. Fate decided for him, and he receives a letter from Hogwarts, inviting him to be a student! The Doctor couldn't possibly refuse. How will the manipulative and cunning Seventh Doctor manage back in school? How will events change?

Harry Potter is starting his fifth year at Hogwarts School of Witchcraft and Wizardry. There is a new teacher for Defence Against The Dark Arts called Dolores Umbridge, and a new subject and another new teacher called John Smith, and unbeknown to the students and teachers, a threat is growing deep below the school, in The Chamber Of Secrets

Incontri TenTENNANTi/wavering Meetings sort of Missing Moments a little ahead ... Ten decides to teach Barty how to drive the TARDIS... will they be able to remain focused just and only on that goal? Written for the 'Flufftober 2021' Prompt 25: Cuddling and snuggling

A re-upload on a different account due to email problems. A street smart orphan gets recruited by Torchwood to keep an eye on the Wizarding world. Chaos will follow.

Their first trip in a newborn TARDIS takes an unexpected turn. Tentoo/Rose/Barty Crouch Jr. Inspired by 'Happy Lovers At Last United' by Morrissey.

What if, when the Prime Minister was told about the end of the war he decided to prepare for the next one. What if he was able to set in motion a plan to have a early warning system in place, and what if that early warning system came in the shape of a perceptive street urchin with a stubborn streak a mile wide. Who knows what will happen Manipulative Dumbledore Incompetent MOM

Harry Potter/Doctor Who Crossover. Voldemort has set out to kill Harry again - and this time, he plans to carry out his evil plan in a different way. Instead of relying on dark magic and his sinister followers, You-Know-Who is using a strange deadly robot to take out the boy wizard. Will Harry Potter be exterminated? Find out in this mad crossover between two British institutions!

Birthday disappointment turns into hope as Hermione is visited by an old friend.

On the way to Hogwarts, several first years find themselves with more memories than they made in the past 11 years.

One is a sub-chief of London's most dangerous criminal gang of the late 1930s, who has made a name for himself by dint of being respected. The other is a weird inventor, with a big heart and a mind that travels even faster than his camper. What do they have in common? They are each other's mirror, they just don't know it yet ... Everyone can fall in love, but only a lucky few in th

Harry and Draco have been rescued from deep space by a Doctor Harry ran into on Hyspero (while searching for Draco). The Doctor seems like he wants to fix the TARDIS and get Harry and Draco back to 2008, but he's also avoiding and hiding something, and they're along for the adventure. Set between chapters 52 & 53 of Visited by a Doctor.

Harry potter is tired. He decides to go for a walk in the Veil and discovers a whole new universe waiting for him.

Harry/Captain Jack. A one shot into their relationship. Secrets are revealed, the truth of Harry's origins come out and a routine mission goes horribly wrong.