MEG'S SHOWER; Tina throws a bridal shower for Meg which brings growing hostility from Tina that Meg is getting married and not her. FOREIGN EXCHANGE; Pakistani convenience store owner Azai (special guest star Cheech Marion), tries to get the local English delivery girl, Ruby (Tracey Ullman), to notice him. WORLD WAR III; Homer tries to get his family into the storm shelter in the basement, several times, during a night-long practiced nuclear alert. (thetvdb.com)