Princess Celestia believes that Strife, Discord's brother whom is locked up, will escape and use new powers to overthrow the kingdom. So Twilight Sparkle is called forth to aquire an apprentice to train by her side, none other than SpongeBob Squarepants! Can Twilight and SpongeBob and their friends work together to stop Strife, especially when Plankton gets invovled.
EDIT and NOTE: This is meant to take place during Season 3. Here, Twilight is a unicorn, Discord is reformed, and the Elements of Harmony are still around. Also, Season 4-9A seasons of SpongeBob never happened.
(Some minor parts including Strife's design have been edited)
The Special Edition you can find here: https://www.deviantart.com/yodajax10/gallery/81397444/squarepants-are-magic
New updated cover by JazzyTyfighter.