""Blackened Sponge" / "Mermaid Man vs. SpongeBob""
Date Aired:
Aug 03, 2007 (United States)
SpongeBob SquarePants S2007E19
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SpongeBob accidentally gives himself a black eye. However, when people ask him how he got it, he lied and said a notorious outlaw caused it. But then the notorious outlaw REALLY shows up.
When Mr. Krabs releases a new Mermaid Man and Barnacle Boy promotion, Plankton gets an idea to use Mermaid Man and Barnacle Boy to run Mr. Krabs out of business.