This is how the storybook goes in episode 1 of Ryan's Adventures of My Little Pony: Friendship is Magic.
[The episode begins with a book with a golden unicorn head on it's cover. It opens by itself, revealing the words "Once upon a time...". As we zoom in on the book, the pages in it come to life]
Narrator: Once upon a time, in the magical land of Equestria, there were two regal sisters who ruled together and created harmony for all the land.
Narrator: To do this, the eldest used her unicorn powers to raise the sun at dawn; the younger brought out the moon to begin the night. Thus, the two sisters maintained balance for their kingdom and their subjects, all the different types of ponies. But as time went on, the younger sister became resentful.
Narrator: The ponies relished and played in the day that the elder sister brought forth but shunned and slept through her beautiful night. One fateful day, the younger sister refused to lower the moon to make way for the dawn. The elder sister
Narrator: She vowed that she will shroud the
Narrator and Ryan F-Freeman: Sun and Moon.
[We see Ryan reading a book]
Ryan F-Freeman: And Harmony has been maintained in Equestria for generations since. Hmmm. Elements of Harmony. I never heard of them before. But, where did I know?
[Crash and the others arrive]
Crash Bandicoot: Ryan? Did you remember that letter?
Coco Bandicoot: And I am sure that there is a new world.