It's ""Accidental Science Project"" day, and the class has brought in marvelously rotten entries from the backs of their refrigerators. Later, when the Friz shrinks the bus down to ""take a closer look"" at rotting options in an abandoned lot, the class discovers that there's more to rot than first meets the nose.
Elenco: Daniel DeSanto , Stuart Stone , Erica Luttrell , Malcolm-Jamal Warner , Dan Tamberelli , Lily Tomlin , Frank Welker , Whoopi Goldberg , Susan Blu , Edward James Olmos , Andre Ottley-Lorant .