In the Impossible Astronaut the Doctor gets a surprise in the form of the Children of Time coming for another advantage. Includes the Defender of the Universe, The Most Important Woman in the Universe, the Immortal Captain, the Doctor's Daughter, Martha and Mickey Smith and of course Sarah Jane…

Part 1 of 3-part series. Nova Susan Song suspects she has the most complicated life of any teenager in the world. Two reasons: 1) her high IQ, two hearts, and ability to conjure golden energy to heal any injury at will. 2) her biological parents having given her up for adoption to be protected from an enemy known as the Silence, who want to use her abilities to kill her own father.

The Doctor finds herself caught up in a war between the demons ruled by Bhandasur and the gods and goddesses ruled by Mother Goddess Lalita Para Shakti. Will she leave the battlefield alive?

The Tardis crashed landed in a garden shed, nothing new. But what's new was a little red head girl asking help about her crack in her bedroom wall. Now The Doctor, The Master and Rose have to figure what this crack means with Amy as a companion. But what is the Silence and why must it fall? And will Rose and The Master find out who River Song is?

Above it all... stood a man. A solitary figure who watched the fleeing people below with solemn eyes. Yet, he remained unmoving as the people cried for help from their Gods and he stood upon a hill and stared as history unfolded before him. "My job is to ensure time goes the way it should. I am not a human. I am not a Time Lord or a Doctor. I simply exist to stop people like you."

"Writing another letter?" "Memoirs, Bridget." "Memoirs? Are you expectin' ta die soon? You're only a young'un." / "Something more fanciful, you think?" "More fanciful? I say, this is already fanciful enough!" / "A woman, disguised as a man, who can never die. Tell me. In this story of yours… what happens to her?" "She waits." OCxDoctor

Sometimes your life can start changing in a way that you least expect. Scarlett Noble sure didn't expect that to happen during her older sister's wedding, after meeting a man called the Doctor. You heard right...her older sister was Donna Noble – The Most Important Woman in the Universe – and this is her story. Ten/OC friendship with some romance. NOW BEING WRITTEN IN THIRD PERSON!

Everyone wants to be the Doctor, but only a few get that sort of chance. August Keyes is one of the lucky ones, but as he finds himself living his dream and facing his nightmares, he's not sure it's quite what he wanted or expected.

Following the recent adventure Yaz finally decides to tell The Doctor about her feelings only to discover the surprise of a lifetime and just who The Doctor's hearts belong to a certain Professor.

The Doctor and Clara find themselves trapped inside of a bootstrap paradox loop. Will they have what it takes to get out? Be warned - This is an epic tale filled with mystery, passion, revenge, and lust. For those of you that like instant gratification, this story is not for you. Those who prefer to skip ahead... do so at your own risk. Some of the chapters will be rated M.

"Daemon will make a choice. And Demon must never, ever be released." Terry and the Doctor are finally on the same page. Things should be looking up for the couple but the mystery behind Terry's time jumping ability continues to hang over their heads. When things take a darker turn, what will the Doctor do? And more importantly, what will Terry do? 3rd in Storm series.

[A reboot of my "Once Upon Another Time" series, originally inspired by AnaDona's "Jumping Through Time". 1-13 & Ruth!Doctor/OC] Caught up in a time storm, Di Summers is hurtled into another universe where both her dreams and nightmares are real and her life as a time traveler begins alongside the Doctor, a (sort of) man she's loved since she was young.

She learned it the hard way. Some people were never meant to exist. Not even the Doctor wants her as a companion. But then the Master saves her from certain death and discovers that this human girl might be of more use to him than he expected. (SI)

12 comforts Clara after Danny breaks up with her. (oneshot) I'm also @bloodmachine on ao3

The Third Doctor and Hatter remain stranded on Earth, assisting UNIT in defending the planet, when our Time Lords find themselves being hunted by a new foe. Gallifrey and the Universe are in danger, and the Doctor and the Hatter have no choice but to work with their past selves to save it from the ancient Time Lord, Omega. Antimatter, bubble creatures, and an oblivious Time Lady.

In a world where one of the most feared creatures in the universe decided they wanted a normal life…they ended up being thrown around the Doctor's. OC/Doctor #1 in Lina Taylor series.

The Doctor meets a new companion. She is fierce, loyal, compassionate, and brave... but she might be more than she seems. First attempt, no haters please. ON HIATUS - I WILL RETURN!

Danielle Fielding is given a toy Vortex Manipulator for Christmas, and her whole life is turned upside down as she is shot from one part of the Doctor's timeline to another, spanning three incarnations. Follow her adventures, her ups and downs as she lives out everyones dream. She gets to travel with the Doctor. 11/OC, slight 10/OC, vague 9/OC if you squint REALLY hard.

The Mistress doesn't easily slide back into the role she had once almost taken, eaten up by so many deaths and all the destruction she had committed to try and drown it out. Hurting himself from the Mistress' grief and madness the Doctor and Nardole track the Mistress' last companion to a stable point in her time stream and request her help with the Mistress. Polyshipping

With the Time War raging, no clear end in sight, a desperate Time Lord took it upon himself to alter the course of the war. If he could create the ultimate weapon, a soldier who could never truly die, Gallifrey might actually have a chance. But even then... it was too late. The ultimate weapon escaped his grasp and the Time War was locked away. Spoilers in reviews!

You know, I was hoping for a quiet Saturday morning walk, maybe go and draw in the park? Then Jack-A-Boy decides to come along and change everything! Now I’m stuck in a universe not my own with a man who knows more than he will say, and a clock counting up. The last thing I expected was to be called non-human...guess anything can happen now. (3-13 Doctor/OC)

"When my daughter..." Missy mentioned she had a daughter, what if the Master saved her from the Time War. the Doctor has a duty of care for his best enemy's child.

It's never easy stepping into the shoes of the Doctor—more when you're his son—and so, begins the tale of Theodore Levy Smith. The son of the Doctor. Or specifically, his second son. His father's the progenitor of the title and it'd seem that the title, after going to others before him, rest on Theodore, now. Nervous and against himself, Theodore works to become the next Doctor. AU