SpongeBob and Patrick play a treasure hunt game in the Krusty Krab, and Mr. Krabs plays it and wins many times, until he decides the next day to go on a real treasure hunt to find The Flying Dutchman's treasure.
After SpongeBob and Patrick make it out of a carnival, they take a bus and are sent to another city that is called "Rock Bottom." They get stuck there trying to find the bus to get back home.