Princess Twilight Sparkle - Part 1

Princess Twilight - Part 1 is an upcoming episode of My Little Pony Friendship is Magic. It is produced as the first episode of the fourth season, and the sixty-sixth episode overall, being the first episode to take place after the film My Little Pony Equestria Girls. It is the first half of a two-part episode.

Production and development
On July 20, 2013, an animatic clip of this episode was shown at San Diego Comic-Con International. In the clip, Princess Luna/Nightmare Moon and Twilight Sparkle appear, and Princess Celestia is mentioned.

Animatic transcript

 * Twilight Sparkle: Where am I?
 * Princess Luna: Not... another step!
 * Twilight Sparkle: Princess Luna! I don't understand. Where are we? Why did you and Celestia disappear?
 * Princess Luna: Did you really expect me to sit idly by while they all basked in your precious light?
 * Twilight Sparkle: Precious light?
 * Princess Luna: There can only be one princess in Equestria! And that princess... will be me!
 * Nightmare Moon: [evil laughter]

Summary from Hub Network press release
"The fourth season begins with a revealing two-part premiere in which the newly crowned Princess Twilight must balance her new royal duties and her friendship with the other ponies. Amid preparations for the Summer Sun Celebration in Canterlot, Princesses Celestria [sic] and Luna go missing and the Everfree Forest is taking over Equestria. These [sic] unexpected turn of events sends Princess Twilight and her pony friends on a quest to discover a mysterious foe who threatens to destroy everything. It is all up to Princess Twilight and her friends to help save Equestria from being destroyed. As part of the journey, PrincessTwilight [sic] is given the chance to discover the secret behind the Elements of Harmony."

Summary from Zap2it
"Now a Princess, Twilight Sparkle's Summer Sun Celebration plans are put on hold when Princesses Luna and Celestia go missing."