A new lead in a cold case requires Lisbon to delay her plans to leave for Washington, D.C., giving Jane time to finally come to terms with his feelings for…

A patient with both male and female DNA has the team stumped. Meanwhile, House starts acting nicely, raising Cuddy’s and Wilson’s suspicions that something is terribly wrong.

The team takes on the case of a fitness guru on an all-natural diet who collapsed while filming a video. Meanwhile, Foreman conducts Huntington’s Disease drug trials and Thirteen signs…