The dreaded date of March 14th has come, and it'll take plenty of ponies to save the day! Join Twilight, the Doctor, Ditzy, Discord, and the rest of the Mane 6 as they try to save Ponyville from it's greatest threat yet- Pinkie Pie on Pi Day.
Derpy Hooves is having an ordinary day, That is, until she receives a mysterious journal, containing Pinkie Pie's adventures with a mysterious stallion named the Doctor.
When Princess Celestia and Gandhi have tea, Celestia learns that some of the most important aspects of building a civilization is hard work, dedication, diplomatic relations, and best of all, the threat of mutual assured destruction.
Doctor Who was sent to Equestria for some reason or the other. Once he has regenerated into a new form, watch him deal with the equestrian Hi jinks! Followsthe storyline of doctor who from Chistopher eccleston episode Rose and on.
The Doctor has been given his task by the White Gaurdian and is off to 80 years in the past. Landing in Dodge Junction, he meets up with a familliar man with an unfamilliar face.