there have been giant monsters in sponge bob like that robot plankton the giant plankton in planktons dream and a sea monster once with glasses and in sponge bob the movie there where a whole bunch of giant monsters and 1 episode were sponge bob and patrick find a giant monster and give it crabby patties i think it was 20000 patties under the sea idk something like that they found a submarine and there is a giant lobster named ebirah plz check it out plz