Desperate Housewives - Season 4 - Eps 1: 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.
About Desperate Housewives

Title: Desperate Housewives
First Air Date: 2004-10-03
Last Air Date: 2012-05-13
Status: Ended
Rating: 7.9/10 (from 1900 votes)
Language: EN
Seasons: 9
Total Episodes: 179
Network: ABC
Genres: Mystery, Drama, Comedy
Production Companies: Cherry Productions
Synopsis
Looking down on her friends and family isn't a way of life for Mary Alice Young... it's a way of death. One day, in her perfect house, in the loveliest of suburbs, Mary Alice ended it all. Now she's taking us into the lives of her family, friends and neighbors, commenting from her elevated P.O.V.
Cast

Teri Hatcher
Susan Mayer

Felicity Huffman
Lynette Scavo

Marcia Cross
Bree Van de Kamp

Eva Longoria
Gabrielle Solis

Ricardo Chavira
Carlos Solis

Doug Savant
Tom Scavo

James Denton
Mike Delfino

Brenda Strong
Mary Alice Young

Vanessa Williams
Renee Perry