Twilight's Kingdom (2)
Show: My Little Pony: Friendship Is Magic --> Season: 4 - Season 4
AirDate: 5/10/2014
Runtime: 22
Voting: 9.5 (2)

Overview: The other princesses transfer all of their magical power to Twilight in hopes of saving Equestria.
Mark Acheson
Lord Tirek (voice)