PG34mmovie, action, superhero
The real Mermaid Man and Barnacle Boy must protect Fort Lox and its five billion Krabby Patties from the devious Kelp-Thing!
Prepare to feel my wrath, you foul villain!
Cast: Mermaid Man, Barnacle Boy, Sandy CheeksDirector: SpongeBob SquarePantsAs seen in: SpongeBob SquarePants (1999-Present)
© Nickelodeon Animation Studio