What happens when the Catalyst runs into another being of infinite mental faclulties and who is really really old? Well this...

A mysterious Doctor turns up in the Milky Way galaxy, and only he can stop the dark forces that threaten it.

A strange character shows itself to many different people in many different worlds. Who is he? Why is he here? Multiple crossovers, Dr. Who, Star Wars, Mass Effect More notes at the end of the first chapter. Starts T, may change. Please read and review.

The Time War didn't destroy its participants; it moved them. Stuck in an unfamiliar universe, a young Time Lord must do what he can to save this new galaxy from threats both native and foreign to it.

After his adventure on Menae, the Doctor now finds himself on the planet Rannoch. Here he is caught in the middle of a conflict between quarians and renegade geth. Can he facilitate peace among these two factions? This story takes place after my 1st fanfic and also after Season 6 of DW and ME3. This is my 2nd fanfic story - comments are appreciated!

The Cybermen have found their way to the turian moon of Menae. Only the 11th Doctor and his turian companion, Garrus Vakarian, can stop their assault! This takes place after the events of "A Good Man Goes to War" and Mass Effect 3. This is my 1st fanfiction story, so any and all constructive criticism is appreciated!

She could never have been expected to stay on Earth. Not when the whole of the galaxy was again at her fingertips. Rose-is-Shepard, oneshot, complete.

The Doctor's beloved human race is in danger of a threat he can only watch as the reapers destroy the galaxy I'll be using the MShep I made, and here is the code if you're curious:541.DJD.LTF.A3G.AAV.JBD.MDJ.6PG.672.AG5.E41.6

After the end of the universe, it sometimes takes a while to get back home. Involves wormholes, space whales, nick names, cults, cursed streams, and pink drinks on ladies night at the Dromedary. Fem!Shep. Helps to be familiar with at least one fandom.

Written before 'The Torchwood Effect'. Unforgivably silly, fem!shep, Garrus, babies and dealing with bullies. Listed as a Dr. Who crossover because it's probably his fault, but he don't show up till the sequel

The Doctor thought he could do no more harm to the universe. It takes a fresh perspective to show him he is dead wrong. Post New!Series 3, Mass Effect post-2 pre-DLC.

Stranded on a broken down station with an enemy that knows her and a man with no fashion sense, Shepard begins to question everything. Worse still, everyone starts to question her. Post-collectors and Post-series 6.

When the Last Centurion disappears into a mysterious, deadly, blue light, the Doctor makes it his job to find him. However, the reception the Time-Lord receives when he appears on the Normandy SR-2 is far from friendly. Set after A Good Man Goes To Wa

Shepard, Garrus and Tali land on an uncharted planet. They discover the remains of an ancient civilization and an underground vault containing an army of metal men, frozen in time. Only the Doctor can save them, but he's lost in time.

Many members of the Normandy's crew have had brief encounters with a certain Time Lord...

Shortly after the death of the Master, the Doctor, Martha, and Jack are transported to the year 2183. But they are not alone in this strange new galaxy...