SpongeBob and Friends Find Atlantis

Following the ultimate destruction of Dark Cynder, and Cynder's freedom from the dark spirit possessing her, Spongebob decides to go find Atlantis for no reason oter than to do something. The only downside, Rourke is there as well, trying to obtain the crystal so that he can become rich. Not only that, but Atlantis has been goodified, so that it wasn't the king who sunk Atlantis due to his greed, it was Dark Cynder in order to make the king look good in Scroopfan's eyes.