The School Play / Full of Beans

S1 E20: Mrs. Jenkins’ class is performing a play about taking care of teeth and Yoko has the misfortune of being cast as the villain - the cavity! When Yoko realizes she can offer something unique to the role, her special violin sound effects become the highlight of the show. / The Franks take great pleasure in making everyone laugh with their funny jokes and zany antics, but they pull some pranks that go too far and their classmates are no longer amused.