"Quailman's Bad Hair Day" is the 53rd episode of Doug in the Disney era. It first aired on April 3, 1999, on ABC.
Doug always manages to have a bad hair day on school-picture day. So when school-picture day comes around again, Doug douses himself with hair-care products to prevent bad hair. Meanwhile, he daydreams how Quailman would handle a bad hair day, as an evil shampoo from the S.T.U.A.R.T. company is taking over the hair of all the citizens in Megalopolis.