..... I sorta blame my friends for allowing me to draw this.

So yeah, in a alternate reality, Maria Whooves, a.k.a. The Doctor, left Equestria during the whole Discord incident because she couldn't save her assistant, Ditsy Doo.

Concept and art (c) me
Tardis and Doctor Who (c) BBC
MLP: FiM (c) Hasbro and Lauren Faust
Dedicated to Becca Macintosh
and E, because I can