209 episodes. Spongebob is a character in the American cartoon Spongebob and its derivative works. The 209th episode of Spongebob tells that Spongebob kept learning to sing in order to attend a concert, and finally nailed his front teeth, but his voice suddenly became magnetic and he became a famous singer. Spongebob is a city called Beechburg, which lives at the bottom of the Pacific Ocean and is a senior chef in krusty krab restaurant.