My Little Pony: Friendship Is Magic

The Crystal Empire (2) (3x2)

Air date: Nov 10, 2012

After Princess Celestia commissions her to keep The Crystal Empire from vanishing again, Twilight Sparkle realizes that she must find the missing Crystal Heart in order to restore The Crystal Empire's strength and reputation before it can disappear again. My Little Pony: Friendship is Magic - Season 3, Song #3: "The Success Song"