Regardless of body plan or class, the spongocoel is lined with choanocytes, which have flagella that push water through the spongocoel, creating a current.
which happens to be the Krabby Patty secret formula. When the entire city of Bikini Bottom is put in danger, SpongeBob, Patrick, Mr. Krabs, Squidward, Sandy, and Plankton need to go on a quest that takes them to the surface. In order to get back the recipe and save their city, the...