The Crystal Empire is the 1st and 2nd episode of the third season of My Little Pony: Friendship is Magic and the 53rd and 54th episodes in total. The episode is a two-part special that introduces the villainous King Sombra, who if you didn't know, has among the complicated histories in the entire series, which is not always a good thing...
My Little Pony Ⓒ Hasbro. Equestripedia and its editors do not claim copyright over creative works, imagery, characters, places, or concepts featured within the franchise.