The aging mind of an imortal being shows it's tolls in a short story.

A Short explanation about Derpy and why she is the way she is.

The real reason Luna was sent to the moon - read as the secret journal of the hidden pony

After Scootaloo breaks her wings, Rainbow Dash takes care of her and vows to find a way to fix them

When Marijuana becomes legal in Ponyville, the town becomes overrun and over populated by stoners