SpongeBob SquarePants is an animated series about a cheerful, optimistic sea sponge living in the underwater city of Bikini Bottom. He works as a fry cook at the Krusty Krab, loves jellyfishing, and often gets into quirky adventures with his friends, including Patrick the starfish and Squidward the grumpy squid. The show, created by Stephen Hillenburg, is known for its humor, colorful characters, and playful take on life under the sea.