Mr. Krabs warns SpongeBob to stay away from mysterious fishing hooks that have suddenly appeared around Bikini Bottom. But then Patrick takes SpongeBob to the carnival, which is really a bunch of hooks, telling him to play on them! Knowing SpongeBob, resisting it could be hard. SpongeBob wins the coveted "Mermaid Man and Barnacle Boy" Conch Call as a prize in a cereal contest, which he can use to summon Mermaid Man and Barnacle Boy at any time, for emergencies.