
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.
At night school, SpongeBob and Patrick dive into a series of classes on wildly different subjects; Plankton hires Bubble Bass at the Chum Bucket and realizes he can utilize him to get his hands on a Krabby Patty.
After a freak jousting accident, SpongeBob and Patrick are transported to a medieval version of Bikini Bottom.
SpongeBob goes on a desperate search after his favorite pair of underwear go missing; Baby Prunes shares the story of her days as a child star to explain why she dispises chocolate.
A giant purple ball of goo rises from the deep and threatens to release its toxic, gooey wrath all over the city.