Harry Potter has a short encounter with a crazy man with a blue box.

Rose finds it impossible that her seventh year at Hogwarts has already arrived, bringing with it a new History of Magic teacher. However, this bow-tie wearing professor, an American squib in tow, is being hunted by something lurking in the shadows. When it emerges, Hogwarts will never be the same (Third in Clarke's Laws 'verse).

In a galaxy far away, The Face of Boe tells The Doctor his final secret. "You are not alone" But what if there was another survivor out there besides The Master. Someone who attended a very special school?

The Doctor ends up at Hogwarts and an old enemy reappears, but in a different way. I'm really bad at summaries. My first fic. Please read and review. Hope this persuaded you to read it. :)

After the Doctor messed with Martha's timeline for his cheep trick, he finds that the alley way he left the TARDIS has a barrier around it. Investigating the barrier leads the Doctor to a young man hunched against a wall. The Doctor is about to find he isn't the only 'impossibility' as he beliefs are questioned and mind racked to figure out this mysterious man. Rated T.

Harry Potter is a ranking Auror at the Ministry of Magic, he has a beautiful wife and a young son. One day he finds himself ambushed by the dark wizard he was tailing and in a fight for his life. Right when it looks like he is about to die, a strange man in a fez and a bow tie followed by a woman show up and save his life. Who is this strange man? And where did his power come from

In which Harry and Hermione get into an interesting discussion in the bathroom concerning a certain blue police box.

The 10th generation doctor and Rose Tyler find themselves falling through the rift in time, only to find themselves in the Harry Potter world. The Dark Lord has returned and a new prophesy is formed. Now the two worlds have to band together to stop the Dark lord Voldemort, and the Nightmares that threaten reality. "The Time lord will come, when the Bad Wolf falls..."

Rory remembers reading Harry Potter as a boy. And all of a sudden a mysterious crack, letsJ.K.R.'s Imaginary world to seep into reality. Or reality is seeping into magic! But,, doctor who is not nearly as simple as that. I DO NOT OWN ANYTHING DOCTOR WHO OR HARRY POTTER RELATED! DW is owned by the BBC and HP is owned by JKR And WB. Plz leave a review! And, thx 2 my new betas!

Harry Potter missed the Doctor. He missed his old childhood friend, the man who always seemed to be there when he needed a friend. But it had been years since he saw the Doctor, and he has a loving family and a new house. How much longer will it take for the Doctor to visit him again?

Comment se serait passée la rencontre entre un seigneur du temps et Hermione Granger. (Traduction)

The Doctor decides to pay a visit to his old friends, the Weasleys after he loses Amy and Rory. A broken man, the Weasleys try to comfort him after he loses his best friends.

Comment se serait déroulée la rencontre entre le célèbre Harry Potter et le mythique extraterrestre surnommé le Docteur ? Quand l'un se croit face au plus dangereux mangemort, l'autre s'imagine débarqué dans un asile de fou...

The Doctor has found himself alone in the TARDIS, he spends his free time wandering around until he comes across a new room with nothing but a peculiar looking mirror inside.

Four years later- Doctor, where, by Merlin, were you! Sequel to 'Take Back Your Memories'

GOOD OLD J.K.

When something goes wrong with the TARDIS, Rose Tyler and the 10th Doctor are transported to The Hogwarts School of Witchcraft and Wizardry. What will happen when they get there? Dumbledore has an adventure awaiting.

When a mad man in a blue box lands in your garden during your brothers wedding reception, what do you do? Run away with him of course...

When a man inside a telephone box crashes into Remus Lupin's garden he just thinks it's another strange thing happening in his life. But years later when Remus is a professor at Hogwarts School of Witchcraft and Wizardry, The Doctor in the blue box changes his, and eavesdropper Ginny Weasley's lives forever..

Everyone knows Hermione Granger, the know-it-all who has the answer to every question a teacher can ask. But who is she really, beyond the muggle-born girl at the top of Harry Potter's class?

Hermione had given up; being disallowed to go back to Hogwarts ruined her. But when a raggedy man with a box drops into her toilet, will she see sense?

The 10th Doctor's beast runs wild in the dark dungeons of Slytherin. There two wonderous beings meet and sparks fly.

When the Doctor lands at Hogwarts, he persuades Dumbledore to start a new subject: Science. How will the trio react to their eccentric Science Professor? Was the object that crashed in the Black Lake really a meteorite? With mysteries abound, it is up to the Doctor to save Hogwarts from an extraterrestrial attack, as well as the might of Voldemort and his Death Eaters.

An alien spaceship crashed in the lake close to the school, an eccentric Professor and a mysterious blue box? Harry's Fifth Year at Hogwarts is going to be an exciting one.

With all the soldiers that the War Chief was having scooped up from random eras, odds were that he managed to snag a few non-standard enlistees. Enlistees who might just happen to be resistant to mind-control and have the ability to disappear and re-appear elsewhere at will.