Spongebob Season 1 : Nature Pants

SpongeBob decides he wants to live with jellyfish so he goes to Jellyfish Fields. Sandy and Patrick try to convince him to come home, but he claims that jellyfish fields is his home, and after many failed attempts to convince him, they gives up. Spongebob finds a jellyfish nest and eats the jelly and, in response, the swarm of jellyfish sting him. He goes to a cave where he gets poisened by sea urchins. He discovers that he misses his friends so he goes home and rejoins all of his friends.