The Seventh Doctor's visit to his former companion, Alicorn Celestia of Equestria, turns into a trek through the mind, dreams, and soul of Princess Luna to try and avert the calamity of Nightmare Moon. Alongside the captain of Luna's Guard, the Doctor and the Princess will discover the origins of a great darkness. But will that knowledge be enough?

Something is wrong wit the TARDIS

I saw a 1960s police box and went in.

The Doctor meets the ponies of the Mane Six for the first time! Caught up in the chaos of the Summer Sun Celebration, will the Doctor and Donna make it out of this mess? Based on the My Little Pony: Friendship is Magic two-parter. Told from the Doctor's point of view. THIS STORY HAS BEEN CANCELLED.

Twilight received the latest edition of the Daring Do book series: Daring Do and the Treacherous Titan and tries to read it in peace. But interruption after interruption deters her, will she ever get a chance to finish reading?

Hello everypony...Oh...This is weird. I'm just talking into this thing he calls a...microphone. Its strange that it can record everything that I say. Hehe...not as strange as that stallion though...I am getting off topic though. Now where was I...Oh yes. Hello everypony My name is Fleur de Lis, and I want to tell you about the strangest most wonderful stallion I have ever met...

It's a long journey home from the edge of space for Mondas, the Planetary Propulsion System must drain energy from planets to go on, and the population of the planet undergo the horrific process of cyber-conversion. This is the story of when Equestria encountered Mondas. The Cybermen come, and the Doctor isn't there to stop them... Set before the Tenth Planet for DW, S2-S3 for MLP.

The Doctor has crash landed in a strange demension where all humans are ponies and has met a certain Pegasus named Fluttershy and travles all of space and time if he can convince her

Luego de hacer volar una flota Dalek, el Doctor escapa a bordo de su confiable TARDIS, pero es absorbido por un vórtice que lo lleva al mágico mundo de Equestria. Regenerado en pony, cree encontrar en ese mundo la paz que tanto había anhelado, pero parece que el destino del último amo del tiempo es sufrir y llevar dolor y muerte a aquellos que lo rodean, sean humanos o ponis.

Fluttershy was just trying to enjoy a nice Hearths Warming Eve with Angel Bunny in the recently emptied Ponyville when the entire holiday was turned upside down by horrible monsters, Time Lords, and Princesses jumping into the fray. The Doctor uncovers an ancient monster linked to Nightmare Moon that wishes to rule both the Dream Realm and the real world under its horrible grip...

A pony who claims to be the Doctor's sister is going through the universe, trying to figure out why there are so many different versions of him, and she has a very perverted companion with her. This is based off an ask blog, but it is not interactive and does not have the fullness of the actual blog! Go to my Ask Blog for the full blog and to ask questions! R&A

When Dinky is cast as Clover the Clever in the school's Hearth's Warming Eve play, the filly is concerned she will not be able to do Clover justice. Luckily for Dinky her parents are the Doctor and Derpy, who quickly bundle their little girl up and take a trip via the TARDIS through time itself to see the first Hearth's Warming. Only now it will be up to them to save the holiday!

Colgate crosses paths with Clockwork and Bright Eyes following her arrival in the tourist-centered, mysterious country of Elmheim. Upon crossing paths with Matilda and a universally-displaced Daring Do, the group sets out into the jungle to discover the hotspot for dimensional rifts in the Equestrian universe. But their trip to the rift epicenter will be far from simple.

The Doctor crash-lands on Karn, a planet he hoped he would never have to return to. There, he meets One Direction, who give him the power to end the Last Great Time War. Meanwhile, on Gallifrey, the war threatens to destroy all creation. Meanwhile again, the previously dead Doctor recruits Twilight Sparkle and himself in the fight against himself. I'm so sorry.

The TARDIS crash lands and the Doctor finds himself in the land of Equestria. While puzzling over the strangeness of this world and trying to repair the TARDIS, his destiny finally catches up with him.

The Doctor decides that he is going to openly try to put his companions and himself into a dangerous situation, so he takes them to the least peaceful time period in all of Equestrian history. There they find that the world they have landed in is devoid of color, while the inhabitants who crazily hunt after color worship a Big Brother style figure, who promises to return the color.

Ever wonder how Doctor Whooves came to be? Well here's one version of the Doctor Whooves origin story.

When the TARDIS lands in ancient Ponyland history, Derpy is overwhelmed by the peace and beauty of it. So why is the Doctor so terrified of what lurks inside that castle? Now they face a terrifying power that hides behind a regal smile, and she will not be denied.

The doctor is in a bit of a bad situation with the tardis. If you would call LANDING IN EQUESTRIA a bad situation!

The Doctor and companions go aboard the first train headed towards Quaggai, the homeland of the zebras. But a mysterious silhouette pony comes aboard the train after them. As they enjoy themselves, they soon can no longer deny that bad things are happening aboard the train, time is warping on board to support the pony, and the train may never reach its original destination at all.

Apple Bloom is lost. She's trapped within a labyrinth of corridors and has been forced into the form of a strange, unfamiliar creature. However, she isn't alone in her infinite prison. Something evil is slowly starting to join her. Apple Bloom's sole chance for getting back home lies in the hands of a mysterious guide, her friends, a doomed couple, and...the Doctor.

Derpy and The Doctor's mini adventures. I guess you /could/ call them drabbles, but some of them will be more than one chapter long.

The Doctor and Rose go to equestria!

how would you react if the your the doctors assistant and he passes with out regenerating so this is a sad story about the last doctor and hoe it changes a pony's life

Time turner is your run of the mill pony, he isn't any one special or done anything amazing. Untill one day when a blue box appears on his lawn that would change his life forever. AU