Andi Eystad

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.

Rush and the team to reopen the supposedly solved 1982 murder case of Lindsay Chase. Her husband, Dr. Stephen Chase, was convicted of her murder and has spent the last 23 years in prison, insisting he's innocent. When the detectives discover that Lindsay was involved with manufacturing illegal drugs--something her husband didn't even know about.

When Tim and Jill go bowling with Bud and his wife, Tim tells Jill to lose because he's afraid his career will be ruined if they beat Bud and his wife. Meanwhile, Angela, Brad's girlfriend, sets her sister up with Randy.

Bridget follows her drummer boyfriend to his dorm.