Jack will flirt with anything if it can flirt back. Even an alien rock.

The TARDIS crash lands in Hogwarts' grounds, leading to inevitable adventures...but is there darkness afoot? Will the Doctor and his new found companions pull togther and beat it! WILL RON AND HARRY ESCAPE THE TIMETABLES! First fanfic! No flames!

Harry Potter, as he should have been.

During the Year That Never Was, Martha meets someone whom she will meet several times. Or whom she has met several times? Non-linear time always made her head hurt.

Whether by some quirk of fate or simply by coincidence he had looked over to his side, taking in the haggard and haunted look of the man next to him... That look always had a story... perhaps this man's story could distract him from his own. HP/10th slash

Regulus comes across an odd prisoner of the Dark Lord.

the new decfence teacher is sneding off weird vibes in class, one day there is a comotion as our favourite doctor finds he is not the last of the time lords after all.

AU. A Doctor Who 10th story Xover'd with Harry Potter and some Torchwood. When a strange man appears in the TARDIS from another universe, what will the Doctor do? Takes place after Sirius fell through the veil. -Collaboration piece-

Sequel to Arithmancy and The Year That Never Was. Set during The Stolen Earth and Journey's End. Rated T for mild language and because Captain Jack Harkness is still around here somewhere.

Harry Potter and Doctor Who crossover. The TARDIS is terrified and in pain and runs to the one man that can help her and it's NOT the Doctor. DW10/RT, HP/GW. AU. Rated M for language.

What will the Doctor do when Ginny Weasley mysteriously appears aboard the TARDIS? Yes, I know, rubbish summary

Doctor Who/Harry Potter crossover...it's a follow on to Love Or Loveless PLEASE READ THAT FIRST! or this won't make sense!

This is a prequel to Arithmancy, but you should read Arithmancy first. Crossover with Harry Potter, set during the time of the Hogwarts Founders. Ninth Doctor.

The Doctor and Martha find themselves caught up in the war against Voldemort. Harry in the wake of losing his godfather becomes enthralled in the tails the Doctor spins of James Potter and the First Wizarding War. Spoilers for season three of Doctor Who

Sequel to Arithmancy. Set during The Sound of Drums and Last of the Timelords. Crossover with Harry Potter. Rated T for some mild swearing and the continued existence of Captain Jack Harkness.

Sequel to my other Harry Potter crossovers. Harry, Ron and Hermione, in the year 2020, find a body killed in mysterious circumstances - and they call the Doctor for help, only now the Doctor isn't alone. Featuring Donna.

The TARDIS brings the Doctor to an individual with the potential to change the Earth. Crossover with Harry Potter. Rated T for mild language, and the mere existence of Captain Jack Harkness. Completed.

It all started with the time turner. Well, not really. doctor who/Harry Potter x-over

Xover with Doctor Who. DW spoilers. Ignoring book seven HP. While setting off to find the remaining Horcruxes and destroy Voldemort for good the trio come across a strange blue box, with even stranger occupants. Pretend Jack and Martha never left. HG HrR

What starts off as a normal day for Harry, turns out to be one of the greatest adventures of his life. A crossover crack fic between Harry Potter and Doctor Who.

Doctor Who/Harry Potter crossover! After losing Rose, the Doctor goes to the dark side. And Rose needs to find a way back to stop him, before he kills anyone else!

Crossover with Doctor Who; DH spoilers. Out Christmas shopping with Harry, five-year-old Teddy gets lost in Knockturn Alley, and an unexpected rescuer turns up to help him out.

The Doctor gets in the way of Harry Potter fans and discovers exactly why this is not a good idea. short!crack!fic A bit late, but that's what you get when you clean out your computer. Sort-of crossover.

AU. Harry Potter Doctor Who Crossover. Harry has never had a normal life and it’s about to get stranger. The Doctor and Rose come knocking and he finds himself with a whole new series of problems. How does the Doctor seem to know him? title may change

It's the Battle of Hogwarts, and Tonks might be dead, or she might be alive, or she might be both at once. RT. DH spoilers, AU, hints of an unwritten crossover-with Doctor Who, if you'll believe that. Rated for violence.