SpongeBob SquarePants and Patrick were enjoying a lovely feast at Medieval moments restaurant when they were chosen to fight in the royal joust. After a freak accident, SpongeBob and Patrick find themselves back in medieval times where they are mistaken for great knights and sent to rescue the princess from the evil, one-eyed lord's jellyfish dragon! Can SpongeBob and Patrick save the princess? Will they ever return to Bikini Bottom?