Mermaid Man and Barnacle Boy decide to go on vacation, but unfortunately they don't have anyone to look after the Merma-lair, so they ask SpongeBob and Patrick to look after it. However, they accidentally release Man Ray from a prison made of frozen tartar sauce.
Casts:
Tom Kenny, Bill Fagerbakke, Rodger Bumpass, Clancy Brown, Carolyn Lawrence, Mary Jo Catlett, Mr. Lawrence