Desperate Housewives › Season 4

S4 E1: Now You Know

Susan learns that she is expecting a child while Bree continues to fake her own pregnancy. Gabrielle begins an affair with her ex-husband, Carlos and Lynette tries to conceal her cancer from her friends and children. The episode also introduces Katherine Mayfair, Susan's old friend who returns to the neighborhood after being away for 12 years.

Air date	Sep 30, 2007
Runtime	43 minutes
TMDB rating	★ 8.8/10