American Dad! Season 5 Episode 8

When Steve suffers indignities in school because of the back brace he must wear for his scoliosis, Stan confides in him that he wears a wig to cover his baldness. Meanwhile, Roger invites both Francine and Hayley to a posh spa even though he has only two passes, so he sneaks in Hayley in a suitcase, raising the suspicions of the house detective.