
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.
Squidward's new life is threatened; stuck in her dome, Sandy suspects Plankton's up to no good and gets Patrick to investigate.
SpongeBob and Patrick accidentally destroy Sandy's air supply and have to help her find more oxygen; SpongeBob wants to earn his belt from karate master Fuzzy Acorns with Sandy's help.
Bubble Bass avoids paying his bill at the Krusty Krab, so SpongeBob and Squidward are sent to collect the cash; Mr. Krabs makes SpongeBob and Squidward cook a fancy meal for Mrs. Puff, but every dish becomes a dispute.
SpongeBob celebrates the anniversary of his friendship with Squidward, but Squidward doesn't; Squidward's lack of talent lands him in a court ordered music class.