While brushing his teeth, SpongeBob accidentally gets a black eye. Too embarrassed to tell anyone the truth behind his injury, SpongeBob makes up a tale about a fight with a thug.

After Plankton turns Mermaid Man and Barnacle Boy into his minions with his mind controlling device, he controls the heroes and orders them to encourage the customers of the Krusty Krab to eat at the Chum Bucket.