Bobbin Bergstrom

House’s ex-girlfriend Stacy Warner (guest star Sela Ward) returns - not to be with House, but to get his help for her ailing husband. While House decides whether or not to take the case, Cuddy instructs him to substitute for a sick professor and present a lecture to a class of medical students. As he weaves the stories of three patients (including guest star Carmen Electra) who all present with a similar symptom, House gives a lecture the students will never forget. In the end, they come out with a broader understanding of diagnostics and House’s team comes out with a greater understanding of him.

When recent college graduate Carnell drops at a graduation party from internal shocks, he is rushed to Princeton Plainsboro Hospital. With his father Ken at his bedside, it becomes apparent the two have not been truthful with each other in their lives and their major trust issues affect how the medical team gets the information it needs to help solve Carnell’s case.

When Henry (guest star Howard Hesseman) experiences a seizure but is not aware of it while it’s happening, House takes on the case. The team’s differential diagnosis points to a bacterial infection, but Henry suffers a heart attack before the treatment for his infection is able to work, prompting the need for a heart transplant. Racing to find a heart donor in time to treat Henry before the infection kills him, House finds an organ donor who’s been declared unfit due to a mysterious illness.

House and the team are pulled in differing ethical directions when their patient asks them to help him end his life.

House tries to decipher an autistic boy’s signals in order to diagnose what is causing him to scream.