The Inmates of Summer SpongeBob SquarePants : Season 5 Episode 29

Instead of getting on a ship headed for summer camp, SpongeBob and Patrick accidentally board a ship full of prisoners on their way to jail on Inferno Island. At the prison, the warden gets annoyed by the two. Out of boredom, SpongeBob conceives to make a play. The play is shown and the warden likes it, until the prisoners use the boat prop to escape.