While reorganising some books in Twilight's library, Rainbow Dash and Pinkie Pie find a small funny looking device. After figuring out how to get it working, they unintentionally discover that the strange object can teleport them to many alternate universes with a click of a button. With no other options, the two take it upon themselves to shuffle through many crazy worlds in hopes of eventually making it back home.

Princess Celestia finds a photo album of her and Luna when they were just little fillies. When Luna joins the scene, they find a photo that reminds Luna of every thing she tried to do to reach her goal that day.

And that goal was to get a cookie.

Many unique creatures have come to many different lands, but what happens when a pixelated sprinter from an 8-bit world finds himself in a world inhabited by ponies? One big adventure awaits him as he makes some unusual friends.