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
Desperate Housewives (season 4) Preston Scavo, Porter Scavo and Parker Scavo, Lynette's troublesome children. Rachel Fox was promoted to regular after guest starring in several episodes in the previous season as Kayla Huntington Scavo, Tom's mischievous daughter and the result of an affair he had before meeting Lynette. This season featured many established and new guest stars. Kathryn Joosten portrayed Karen McCluskey, one of the most prominent residents of Wisteria Lane, Richard Burgi appeared as Karl Mayer, Susan's ex-husband who is also married again, Pat Crawford Brown played elderly neighbor Ida Greenberg, whereas Tuc Watkins and Kevin Rahm made their debut in this season