"The Coffee Cup" - Susan discovers a surprising connection between Mike and Katherine, which leads her to question her relationship with Mike, on ABC's "Desperate Housewives," SUNDAY, NOVEMBER 15 (9:00-10:01 p.m., ET). Meanwhile Gaby will stop at nothing to get Juanita into Catholic school, and Lynette's pregnancy becomes hysterically impossible to hide. Meanwhile, as Bree tries to hide her infidelity, Angie uncovers the truth about Orson and Bree's imperfect marriage.