Now You Know (Desperate Housewives) Now You Know (Desperate Housewives) "Now You Know" is the fourth season premiere episode of the American comedy-drama series, "Desperate Housewives", and the 71st episode overall. The episode premiered on American Broadcasting Company (ABC) on September 30, 2007. It was written by series creator Marc Cherry and directed by Larry Shaw. In the episode, Susan (Teri Hatcher) learns that she is expecting a child while Bree (Marcia Cross) continues to fake her own pregnancy. Gabrielle (Eva Longoria) begins an affair with her ex-husband, Carlos (Ricardo Antonio Chavira) and Lynette (Felicity Huffman) tries to conceal her cancer from her friends and
Lynette Scavo Scavos shelter in her cellar. Ida Greenberg and her cat join them but Tom, allergic to cats, starts struggling to breathe. Lynette attempts to sneak the cat out of the shelter, and Karen follows her into the storm. As the tornado hits, Karen and Lynette are forced to shelter in a bathtub in the Scavo house. After the tornado, Lynette and Karen find the McCluskey house in ruins. Lynette's family is safe, but only because Ida Greenberg died to save them. Kayla begins a pattern of disrespectful behavior, which culminates when Lynette slaps her for threatening Penny. Kayla takes revenge