Spongeville

This is about the episode Spongeville.

Summary
Spongebob and Patrick decide to visit Rock Bottom and find that it's deserted. So Spongebob builds a town their and names it Spongeville. But Spongebob relizes that the soil their makes the fish turn into zombies if they eat food made from it. So Spongebob, Patrick, Squidward, Mr. Krabs, and Sandy need to make a cure to turn the zombies back to normal. Then everyone leaves Spongeville to go back to Bikini Bottom. Spongeville was then accidently burned by Patrick. The Bikini Bottomites then relize that the Rock Bottomites left Rock Bottom because the soil that makes food turns people into zombies.