SpongeBob SquarePants
› Season 8
S8 E15: Mermaid Man Begins
SpongeBob and Patrick learn the secret origins of Mermaid Man and Barnacle Boy from the heroes themselves.
| Air date | Sep 23, 2011 |
|---|---|
| Runtime | 11 minutes |
| TMDB rating | ★ 8.4/10 |