DESPERATE HOUSEWIVES - &quot;Desperate Housewives&quot; concludes the season in fitting fashion with a dramatic two-hour Season Finale, SUNDAY, MAY 18 (9:00-11:00 p.m, ET) on the ABC Television Network. In the second hour, &quot;Free&quot; (10:00-11:00 p.m.), several residents of Wisteria Lane are faced with deadly threats, and Katherine Mayfair's secrets are finally revealed. (ABC/CRAIG SJODIN) DANA DELANY, MARCIA CROSS
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