
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.
SpongeBob tries to find a way to get Squidward to visit him at his home; SpongeBob must search for a new pair of pants after his square pants shrink in the dryer.
The gang heads to a food convention, but things go awry when they become stranded in the woods; SpongeBob accidentally fibs to his pen pal, but when his friend comes to visit, he must keep the ruse going.
SpongeBob and Patrick dress up as Mermaid Man and Barnacle Boy to attend a shuffleboard tournament in their place; Squidward is mistaken for his rival Squilliam and is invited to teach a class at a prestigious music school.
When SpongeBob hides the secret Krabby Patty formula in his home, Gary must protect it from Plankton; Sandy must save the day when a freak accident causes everyone in town to become as stupid as Patrick.