One heroic princess is all that stands between the Arch-Enemy of Friendship and all her little ponies.

Two young sisters face an evil cult and a god of chaos in the Everfree Forest.

Twilight Sparkle writes you an important letter about how she became friends with Lyra the unicorn, a mistake she made, its terrible consequence, and one of friendship's hardest lessons.

The stars are going out, heralding disaster. It's up to Twilight and friends to save the day.