Princess Twilight Sparkle - Part 1

Princess Twilight Sparkle - Part 1, Princess Twilight - Part 1,, or Princess Twilight - Part One 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 Princess Twilight Sparkle appear, and Princess Celestia is mentioned. In early November 2013, the Hub Network released a preview of the episode's script on both Twitter and Facebook.

Meghan McCarthy considers the season four premiere to be the second and third parts in a three-part story following Magical Mystery Cure.

Summary
The episode's credited cast of characters consists of Princess Twilight Sparkle, Spike, Pinkie Pie, Fluttershy, Rarity, Apple Jack [sic], Rainbow Dash, Discord, Princess Celestia, Zecora, Royal Guard, Royal Guard #3, Train Conductor, Sweetie Belle, Big Mac, Royal Guard #2, and Messenger Pony.

Summary from episode press release
"Princess Twilight is busy adjusting to her new wings and new role in Equestria when Celestia and Luna go missing. Meanwhile, her friends are all having unusual troubles of their own and it will take all of them working together to help find the missing royals."

Summary from premiere 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."

Summary from AT&T U-verse
"Twilight Sparkle is looking forward to fulfilling her royal duties at the Summer Sun Celebration, but when Princess Celestia and Princess Luna mysteriously vanish, it's up to Twilight to rescue them from whatever peril they've landed in."

Quotes

 * Discord: I'm going to need more popcorn!