PA: Viewer discretion is advised.

A YOUNG MOTHER ON FERTILITY MEDICATION REMINDS HOUSE AND THE TEAM THAT EVERYBODY LIES; HOUSE AND STACY REKINDLE THEIR RELATIONSHIP ON "HOUSE" TUESDAY, FEBRUARY 7, ON FOX

Sela Ward and Julie Warner Guest-Star

Margo (guest star Julie Warner), a young housewife on fertility medication, is brought to Princeton Plainsboro Hospital when her inexplicable muscle flailing causes her to crash her car. As Margo's symptoms progress, House and the team think she might have Huntington's disease but when Margo descends into paranoia, they must dig deeper to figure out the cause of her illness - and the team is once again reminded that everybody lies. Meanwhile, House and Stacy return from Baltimore with a rekindled relationship, Wilson is worried that House is setting himself up for another emotional letdown, and Cameron is refusing to get the results of her HIV test in the "Need to Know" episode of HOUSE Tuesday, Feb. 7 (9:00-10:00 PM ET/PT) on FOX. (HOU-211) (TV-14 D, L, S)

Cast: Hugh Laurie as Dr. Gregory House; Lisa Edelstein as Dr. Lisa Cuddy; Omar Epps as Dr. Eric Foreman; Robert Sean Leonard as Dr. James Wilson; Jennifer Morrison as Dr. Allison Cameron; Jesse Spencer as Dr. Robert Chase.

Guest Cast: Sela Ward as Stacy Warner; Currie Graham as Mark Warner; Julie Warner as Margo; Edward Kerr as Ted; Elle Fanning as Stella; Holly Daniels as Debbie