My Little Pony: Friendship Is Magic: Season 2, Episode 4

2 - 4: Luna Eclipsed

The macabre celebrations of Nightmare Night have just started when Princess Luna herself shows up in Ponyville, trying to change her frightening public image. But having been banished to the moon for 1000 years seem to have affected her ability to get in touch with the common ponies, and it'll prove to be hard to convince everyone that she's changed.