Fee ra huri is a song in the show. It is performed by Omnia and it appears in the episode Amphibian woman as part of the soundtrack.
Wack fol'a day diddle dee dye doe Je le len 'o je le la le len 'o Fiddle daddle day diddle dee dye doe
Ho ri f dhe ra hur
Wack fol'a Day diddle dee dye do Je le s 'je le la o le s' o Fiddle diddle dee dye daddle day doing Ho f ri dhe ra hur