That is nothing. If 당신 want to see cartoon nudity, look up Elfen lied. 당신 see, not all 만화 are for little kids, this misconception has caused people I know to watch 영화 that have a lot of violence, and the worst case was mild nudity. Don't assume that because it is a cartoon that it is something that can't have nudity. Now spongebob tends to be 더 많이 of a thing for young boys who find this kind of ting funny, and as long as nothing is shown, there isn't really a huge problem. Trust me, that is not nudity.