
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 finds SpongeBob's diary, and starts reading it out loud in the Krusty Krab; SpongeBob fails his driving test, forcing Mrs Puff to think outside the box and off the road.

Sandy puts SpongeBob and Patrick in charge of her pet caterpillar; SpongeBob invents colored Krabby patties.

When the Krusty Krab runs out of mustard, Mr. Krabs sends SpongeBob, Patrick and Squidward to dig up some more; SpongeBob and Sandy have to collect Krabby Patty ingredients, but Plankton follows their every step.

Patrick begins to take over SpongeBob's life and identity; SpongeBob blows a bubble to keep him company.