Episode Info

House (Hugh Laurie) faces a possible lawsuit after a confrontation with a gay "stalker" named Kalvin (Matthew John Armstrong). It is soon established that Kalvin is a victim of AIDS, but his symptoms are most confusing--as are those suffered by the patient's father (Wings Hauser). The situation reaches the crisis stage when Kalvin coughs blood all over Cameron (Jennifer Morrison), who may become fatally infected as a result. Elsewhere, House finds a rather unorthodox way to spend time with Stacy (Sela Ward) despite her decision to remain with her husband--and his strategy involves "tampering" with Stacy's pet rat!


Hugh Laurie
as Dr. Greg House
Lisa Edelstein
as Dr. Lisa Cuddy
Robert Sean Leonard
as Dr. James Wilson
Jennifer Morrison
as Dr. Allison Cameron
Omar Epps
as Dr. Eric Foreman
Jesse Spencer
as Dr. Robert Chase
Sela Ward
as Stacy Warner
Currie Graham
as Mark Warner
Hamilton Mitchell
as Infection Control Officer
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