Paul stands in the way of Susan receiving a kidney transplant; Tom passes up a lucrative job to continue working with Carlos; Andrew's alcohol consumption increases, worrying Bree.
Susan learns she will die soon without a kidney transplant; Juanita prepares for the school talent show; Bree looks for someone willing to donate a kidney; Lynette discourages Renee from adopting; Beth tries to find direction.
Preston and Porter move out; Gaby and Carlos visit her hometown; Keith asks Bree to move with him to Florida; Susan uses her ailment to get special treatment; Paul makes a decision about Beth.
Stella tries to force the Scavos to pose for a family portrait with her new husband; Bree continues to keep a secret from Keith; Mike tries to determine if Zach Young was involved in Paul's shooting.
Lynette tries to talk her mother out of marrying an obnoxious man; Bree runs into Keith's ex-girlfriend and makes a shocking discovery about his past; Carlos starts to worry about Gaby's obsession.
Susan's mother (Lesley Ann Warren) and aunt (Valerie Harper) visit; Gaby's feelings of loss turn into an obsession; Lynette seeks revenge against Tom; Bree tries to befriend Beth Young.
Susan fights for her life after being trampled by the horde of rioters; Paul Young's fate is revealed; Keith is surprised when Orson shows up at Bree's, unannounced; Gaby struggles with ridding all traces of Grace from her life.
Paul's plan for Wisteria Lane is put into effect; Juanita discovers Gaby's secret; Bree invites Keith to move in with her; Tom is confronted about his past indiscretion.
Gabrielle tries to keep Grace in her life; Renee shares a dark secret with Susan; Paul's plan is revealed.
Gabrielle and Carlos host Carmen, Hector and Grace for a Thanksgiving feast; Bree invites Keith's parents to her house for Thanksgiving; Renee continues to remind Tom about their past; Beth tries to uncover more about Paul's past misdeeds.
Susan reluctantly agrees to be Paige's nanny; Lynette recieves a tempting offer from Renee; Carlos and Bob strike up a friendship; Beth becomes suspicious of Paul's motives.
With Halloween approaching, Susan must reveal her secret Internet side job to Mike; Juanita grows suspicious of Gabrielle's sudden interest in Grace.
Susan upsets an important client; Renee and Gabrielle reveal secrets about each other; Emma Graham plans a cabaret show.
Susan is horrified when the sexy Internet company she's been working for makes her their billboard model; Gabrielle shares her secret; Renee tries to steal Keith away from Bree.
Susan discovers that some of her best moves are being copied by a competitor; Gabrielle hires a private investigator to look into a matter; Tom's doctor prescribes an unorthodox remedy for his depression.
Lynette is angry when Renee starts spending a lot of time with Tom; Bree finds herself falling for Keith; Susan feels guilty about her side job.