
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 must figure out whodunit after a mysterious stranger vandalizes Mrs. Puff's Boating School; Squidward enters a gardening competition but struggles to keep up with SpongeBob's naturally green thumb.
Patrick invents a new board game and invites SpongeBob, Sandy and Squidward to play it with him; after accidentally flushing Mr. Krabs' safe, SpongeBob and Squidward must go into the sewers to find it.
SpongeBob, Patrick and Squidward squeeze inside a tiny treehouse; SpongeBob adopts a stray seahorse.
When SpongeBob gets a pair of long pants, they change his life in unexpected ways; when Larry the Lobster opens a new gym in Bikini Bottom, SpongeBob becomes his best customer.