Sorry, we have not watched this yet.
In a musical parody of The Sound of Music, Mr. Plotz hires Prunella Flundergust (a parody of Maria von Trappe), a nanny who unknowingly gives the Warners a hard time with her singing and motherly personality. Since they can't do anything to her, they get Slappy Squirrel to take care of her.
Sorry, we have not watched this yet.