From Raven's dA:
Airs: Some time in November
Directed By: Jayson Thiessen & James Wootie Wooton
Part One Storyboarded By: Tom Sales & Johnny Castuciano
Part Two Storyboarded By: Raven Molisee & Nicole Wang
"A magical empire has suddenly appeared in the arctic north of Equestria, and PRINCESS CELESTIA needs TWILIGHT SPARKLE and her friends to find a way to protect it. While her friends try to keep the Crystal Ponies occupied at the Crystal Faire, TWILIGHT SPARKLE searches for the hidden Crystal Heart that is the key to keeping their empire safe from harm!"