A Crossover Fic written by Rizki-kun, Spongebob 2019 is an Alternate Universe Fic where many Nickelodeon characters teamup with the story's main character who wishes to free the world from a now out-of-character Spongebob, who has become power-hungry and now took over the world with a iron grip, making the world post-apocalyptic. You can read the full story here. (Warning: some chapters may have language.)