 Both men are stunned when Druffle appears swathed in bandages after being attacked by the bumblebees, to which he is allergic.Hoping to assuage the crestfallen Higgins, Lufkin suggests that they give Dexter's unproven formula a chance and the dean reluctantly agrees.That evening, Arno’s henchman Cookie, disguised as a janitor, sneaks into the campus lab where he witnesses Dexter and Schuyler using the invisibility spray and reports to Arno, who orders him to return and steal it.