SpongeBob SquarePants Season 3 Episode 5 Mermaid Man and Barnacle Boy IV - Doing Time >During a routine boating exam, SpongeBob gets into an accident at the Shady Shoals Rest Home. Mrs. Puff, being the driving instructor, is responsible for the accident and is taken into custody. In prison, Mrs. Puff starts to value her time at the Bikini Bottom Jail, being away from everyday complications in her life, including teaching at Mrs. Puff's Boating School, but gets feared when a guilt-ridden SpongeBob tries to make her escape. Then, Mrs. Puff, after being at the Bikini Bottom Jail for a short time, goes through repeated cycles of the accident and realizes it's possibly her imagination.