The Crystal Empire - Part 2

The Crystal Empire, Part 2 is the second episode of the third season of My Little Pony Friendship is Magic and the fifty-fourth overall. It is the second episode of a two-parter which begins the season.

Summary from Shout Factory
"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!"