In order to prove to Vinyl, Pinkie Pie, Rainbow Dash, and Octavia that the TARDIS can actually travel in time, the Doctor and Derpy travel with them twenty years into Ponyville's past. They first stop at SugarCube corner to find nefarious creatures lurking in the basement, waiting to strike. The first in a series of DerpDoctor, PinkieDash, and VinylTavia adventures through time and space as we enter the strange new world of Doctor Whooves and his entourage.