S1, E11: Edie organises a neighbourhood search for the missing Mrs Huber, just as the absent busybody's sister arrives on Wisteria Lane. Meanwhile, Bree resigns herself to her marital state and asks an attractive pharmacist on a date, Susan's ex, Karl, suddenly reappears in her life, Lynette fears that Tom is attracted to the new nanny, and Gabrielle sinks to new depths.