Mermaid Man and Barnacle Boy have always been a parody of Batman and Robin. In this episode Young Mermaid Man and Young Barnacle Boy are voiced by Adam West and Burt Ward who played Batman and Robin respectively in the 1966 TV Series.
Featured the ending credits of the episode The Bad Guy Club for Villians on Patrick's TV.
The German version of the episode is the last where Eberhard Prüter voiced Squilliam Fancyson.