A Day in the Life of Equestria volume 1 chapter 1

Chapter 1 is the first chapter of My Little Pony: The Manga and its first volume. The chapter stars and  as they find a way to save  who traveled to a far off dimension.

Story
was helping and  clean up  when Pinkie Pie came across a Magic Mirror that linked Twilight to infinite other worlds. In the mirror, Pinkie Pie came across herself from another reality. The two shared their worlds foods, causing our Pinkie Pie to come try to over into her world, but she failed and accidentally feel into the Zombie World, where all the ponies desired to eat her cookies.

In order to save her, Twilight Sparkle sent Spike out to find her, but he came across a world where everypony is Rarity. Much to his chagrin, Twilight pulled him out of this world. Eventually, and after encountering a Dinosaur World, Spike came across an Dr. Hooves from another world and his companion, Derpy in their M.U.F.F.I.N. vehicle. Spike was able to get their help and together they found Pinkie Pie, but not before the doctor was almost attacked by a zombie. Using his time machine, the doctor was able to move all of the Dimensionally-Displaced Doppelgängers to their home dimensions. wanted to journey with the Doctor, but he refused, believing their dimension had enough damage done as is.

The chapter ends with the alternate Doctor just telling Pinkie Pie to ask for the recipe of a snack from another universe rather than to try to take it.