
A square yellow sponge named SpongeBob SquarePants lives in a pineapple with his pet snail, Gary, in the city of Bikini Bottom on the floor of the Pacific Ocean. He works as a fry cook at the Krusty Krab. During his time off, SpongeBob has a knack for attracting trouble with his starfish best friend, Patrick. Arrogant octopus Squidward Tentacles, SpongeBob's neighbor, dislikes SpongeBob because of his childlike behavior.

Mr. Krabs wants to throw a birthday party for Pearl; SpongeBob receives an invitation to take part in a competition.

Patrick has a coupon for free ice cream, but he has to get to the store if he wants to use it; Mr. Krabs buys Squidward's art, but to make a profit on his purchase he will have to get the artist out of the picture.

SpongeBob visits his old pal Bubble Buddy's hometown, Bubbletown; Sandy invites Karen and Mrs. Puff out for a night on the town, so the ladies decide to blow off some steam.

Plankton invents a machine enabling him to switch lives with Mr. Krabs; SpongeBob volunteers for lifeguard duty.