My Little Pony Equestria Girls: Plankton's Strikes Back

My Little Pony Equestria Girls: Plankton's Strikes Backe is the fifth film from Equestria Girls and the first Spin-off movie with SpongeBob and the first film Crossorver, which premiered on October 12, 2018.

Plot
Plankton, has a plan to take over an alternative world of people in which there is magic, and if he gains the magic to become the ruler of the world. SpongeBob and Patrick chase Planktona to the world of people and get to know Mane 7, which they are looking for Plankton and experience Adventures.

Cast

 * Tom Kenny as SpongeBob SquarePants, Narrator, Sandalswood, Mr. Cake, Micro Chips
 * Bill Fagerbakke as Patrick the Starfish, Cranky Doodle
 * Rodger Bumbass as Squidward Tentacless
 * Clancy Brown as Mr. Crabs, Ivy
 * Carolyn Lawrence as Sandy Cheeks
 * Mr. Lawrence as Sheldon J. Plankton
 * Tara Strong as Twilight Sparkle (Sci-Twi)
 * Ashleng Ball as AppleJack, Rainbow Dash
 * Andrea Libman as Pinkie Pie, Flutershy
 * Tabity S. German as Rarity

Quotes

 * SpongeBob: Hey, Deputy Director Squidward!!


 * Squidward: What?


 * SpongeBob: came up with a new song, it song like this:


 * [Sining]


 * Water the plants, there, too.


 * [Bells]


 * This is the best job you can have.


 * [Bell]


 * Watering plants does not have time, only 5 seconds and already.


 * SpongeBob: Well?

Development
The film was confirmed by Vincent Waller on May 12, 2017, two days before the Polish premiere of the special episode Dance Magic.3 June 2017 Nickelodeon signed a contract with Hasbro for a crossover movie with SpongeBob and Equestria Girls.

On June 3, 2017, Nickelodeon signed a contract with Hasbro for a crossover movie.12 July 2017 Nickelodeon set a QAD which character from the world Nickelodeon is to meet with the characters from EG. All fans responded "SpongeBob". 25 July work began.

Writing
The screenplay was written jointly by Meghan McCarthy and Stephen Hillenburg. The first screenplay was recorded on August 23, 2017. Initially, the plot was to tell how SpongeBob had to watch the Neptune's trident, but Plantkton stole it and SpongeBob and Patrick set off to recover it in an unknown world, however the plot was a copy of the first of the film about EG.

Second script was written on 13 October 2017, and the story told the human versions of characters from the SpongeBoba series, who lived in Canterlot City and SpongeBob together with Mane 6, were to be on vacation and the enemy was to be Kraken, but the script went to the basket the third and last version was written on January 23, 2018 and it was a story from the film.