A British Army Officer joins forces with inhabitants of the wizarding world.

Out in the Universe is a bright blue box, holder of a fantastical realm. Inhabiting this box is a mad man who calls himself the Doctor, his son, the Savior of the Wizarding World aka Harry Potter, an immortal man from the 51st century who affects a Captain in front of his name, Jack Harkness, and a pink and yellow once-human who is simply Rose Tyler. What was Dumbledore thinking?

Read about Harry Potter traveling to the Doctor Who universe and changing things as he joins the Doctor and the Master

Watch as Harry Potter travels to the Doctor Who universe and changes things as he joins the Doctor and the Master

Read as Harry works out the power it takes and what must be done for him to grow his own TARDIS

Watch as Harry Potter continues to travel in the Doctor Who universe and changes things as he stays with the Doctor and the Master

'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.

All of Albus Dumbledore's plans and strategies for the prophecy, everything Lord Voldemort planned and plotted for the death of Harry Potter…all of them will be thrown out of the window. The Doctor, fresh from the Time War, has been on Earth, regenerated into a baby form, just wants to be left alone and recover his regenerating TARDIS, not fight another war.

A part-time companion to the Doctor falls through a rift in space/time, her scientific mind is challenged by the existence of magic and met with adventures completely different from what she has encountered before.

Ron, Hermione, Amy, and Rory were having a good time. Then Harry and Ginny showed up. Then Peeves, and weell... chaos ensued.

Harry stared at the Victorian clockwork man in confusion. This was not a Time Lord. This was not a TARDIS…Then why was he here? The Engineer was only summoned when a Time Lord or A TARDIS needed him to fix something. Harry/Doctor pairing, rating may change. You have been warned.

In third year, Harry Potter has a near fatal accident with a time turner while trying to save his godfather. Now Harry's not quite human and is beginning to have memories that aren't his own. The Doctor is now searching for the young Time Lord that he mentally sensed with a far-fetched hope that he is not alone. TimeLord!Harry

At a young age Harry met someone called the Doctor, he became his friend. Over the course of his school life the Doctor returned, in each of his incarnations. Leaving Hogwarts Harry continues to have adventures, visited upon by the Doctor's influences and further incarnations, friends, and enemies.

Delphi Diggory plots revenge on Harry Potter, Ginny and Ron Weasley, Hermione Granger,Draco Malfoy , Albus-Severus Potter, Scorpius Malfoy, and the Doctor. Will Delphi Diggory succeed in her revenge?

This story follows the relationship between two iconic characters, Harry Potter and the Doctor. At the start, they are at odds with each other, with Harry struggling to understand the Doctor's tendency to meddle in time and space. However, after several encounters, they form an unlikely bond after Harry comes to the Doctor's aid when he is trapped in a temporal loop.

Un-deux-trois-quatre. Les tambours résonnent. Les tambours s'approchent. Un-deux-trois-quatre. La Guerre a soif du sang des Gallifréens. Un-deux-trois-quatre. Les derniers enfants du Temps souffriront dans une éternelle valse à quatre temps.

No TARDIS, no screwdriver, and no memory — on the plus side, an owl and a wand! May or may not be AU. "It's all in the mind, you know."

The carrionites Lilith, Doomfinger, and Bloodtide escape from the TARDIS and head to Riddle House where they meet Lord Voldermort and go to Hogwarts school of Witchcraft and Wizardy to kill Harry Potter. Will the Doctor and Martha make it in time before the carrionites can do any harm to Harry?

The Doctor is a new teacher at Hogwarts school of Witchcraft and Wizardy. She's the defence against the dark arts teacher. When Albus-Severus Potter and Scorpius Malfoy asks the Doctor for her help? But will she help the young wizards in what they're doing?

After coming across the Deathly Hallows symbol the Doctor travels to the Ministry of Magic where Hermione Granger who's the Minister of Magic tells the Doctor the Tale of The Three Brothers.

The Doctor wonders if she'll last a whole term as her predecessors who were teaching defence against the dark arts didn't!

After taking the position of defence against the dark arts teacher. The Doctor travels back in time to see what her predecessors were like.

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.

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.