Beverly Goldberg arranges to be the substitute teacher for Erica's Home Economics class to show her how important being a homemaker can be, but she takes things too far and threatens to fail the school's entire offensive line. Principal Ball and Coach Mellor tell her she needs to give everyone A's, which makes Erica happy, but is devastating for Beverly. Watch 'The Goldbergs' WEDNESDAYS 8|7c on ABC.