Susan's art teacher (Miguel Ferrer) wants his students, Susan included, to disrobe in class; Bree's soup attracts the wrong type of clientele to the homeless shelter serving it; Renee takes a reluctant Lynette to a singles bar; volunteers don't take kindly to Gaby's lackadaisical approach to her duties as PTA president; and Carlos hits rock bottom when his guilt over Gaby's stepfather's killing overtakes him.