Mermaid Man & Barnacle Boy XVII

Mermaid Man & Barnacle Boy XVII is an episode from Season 12. In this episode, after SpongeBob, Patrick, and Barnacle Boy see Mermaid Man jump of a cliff, he becomes a smart superhero again.

Characters Present:

Mermaid Man

Barnacle Boy

Miss Appear (Character)

SpongeBob SquarePants

Patrick Star

Gary the Snail