The Story is about Nine Heroes Went on a journey to go to Shell City to retrieve King Neptune's crown and Save Mr.krabs, Equestria, Bikini bottom, And The World from Plankton's Evil plan Z. Spongebob Squarepants are own by Paramount, United Plankton

Two worlds are merged together. When their home is in trouble, it takes an unlikely band of heroes to save their world. Spongebob Squarepants (c) Nickelodeon My Little Pony: FIM (c) Hasbro And DHX Media Sonic The Hedgehog (c) Sega And Sonic Team Uni