The Doctor and Jack have found themselves to be 11. Unfortunately, there is no easy fix, so the Doctor decides they should attend Hogwarts until they can find a way to return to their proper ages. Here, they make friends, confuse professors, and desperately try to avoid disturbing fixed points in time. Updates on a monthly basis.

Mazikeen is 'accidentally' summoned from her universe, where demons manifest very differently. A rescue operation from her home plane gets underway. The Winchesters now have more crap to deal with. Cas is moderately helpful. This takes place somewhere in SPN/4 and Lucifer/1.5. Snark and humor. No Destiel.

The Doctor and Rose encounter a future incarnation of his on a distant planet.

Zeus kills Sally Jackson with his master bolt when Percy is six months old, drastically changing Percy's life and the course of his future. AU.

A more realistic story of a whovian getting stuck in the "Doctor Who" universe. This isn't the typical "Yay, I met the Doctor" story. If you suddenly found out the Doctor was real, wouldn't you be a little scared? That would mean all the monsters were real too! WARNING: Trying the first quick chapter, may result in who-fic addiction. (Not responsible for binge reading) :)

River receives a surprising visitor while on Darillium - a newly regenerated Doctor, who is eager for her help in learning how to be a woman. River is nothing less than delighted, and allows herself to be stolen away for a short while. [Thirteen/River, fluff]

Sitting in their motel room, Sam occupies himself by watching some videos on YouTube. However, when Castiel notices the video in question, he turns to his brother for help.

Dean is watching a show about pies. Little does he know Cas baked him one?

With the war against Gaea over, the seven, Nico and Thalia barely get a rest before Chiron informs them of the magical world of wizards and witches. Specifically, a boy named Harry Potter, who is entering his 5th year at Hogwarts. Percy's job for an entire year is to keep the Chosen One safe from Voldemort. But the evil wizard seems to know more about Percy than he should. AU

Hermione is unexpectedly swept into a dystopian world of opposites where Dumbledore reigns as Dark Lord and Muggle technology and the Dark Arts have revolutionized Britain. A Light wizard resistance led by Tom Riddle and the Malfoys has been left to a nightmarish fate. Can Hermione, posing as her darker incarnation, help save a world more shattered than her own? HG/DM

What if one morning the Doctor and Sherlock Holmes wake up and realize they've switched bodies? Can they stop the switch from continuing to happen? How does this affect their friends? Now they must travel across universes to find each other and set things right.

AU - Marauder's Era - Somewhat Drabble Fiction: Sakata Gintoki is a conundrum. Different from his year-mates and peers, he is of his own person. Many are thrown off by his capricious and indolent personality. But they can't help but be drawn to his tiny light. GEN

Because not every moment with the Doctor is visiting a new planet, fighting for your life or saving the world. Sometimes it's just the two of them doing things far more important. These things you can't even write, you have to just live them.

The Doctor finds himself landing back on Earth, much to his confusion. Unfortunately for him, SHIELD is waiting for his arrival.

I've written a few and don't quite believe they're long enough to fit into their own story. So here's a couple of them in one. I don't know how many I'll add. I'm going to include whatever characters I feel like, but keep in mind Dean and Cas may make up the majority of these.

De-aged!Merlin, Caring!Arthur, Caring!Knights, Reveal!Fic. If that doesn't say it all, Merlin is turned into a child by ex-druids bent on raising "Emrys" to be their weapon to free magic. Plot is actually just an excuse to write Merlin-as-a-kid fluff. SPOILERS for S4. Set during S4, after episode #whatever, when Elyan is ... you know.

During their stay at Prufrock Prep, the Baudelaires are called to Nero's office and informed that they have a new guardian - none other than the Doctor. What will happen when the unfortunate siblings and the mad man with a box join forces?

So then one day, this weird boy, a dog, and a duck fell from the sky and changed the fate of our world. But that's okay, they do it all the time. KH/Harry Potter X-over

Immune to a suspicious parasite by merit of their manly looks, Xaldin, Vexen and Lexaeus set out on a journey to save the rest of Organization XIII from the biggest nightmare of all: stupid fanfiction.

Sora and Co. find themselves in the world of Harry Potter. Evil teachers, Heartless attacks, and exams. How will they get out of this one?