John Prosky

Izzie seems to be getting over Alex when she shares an undeniable chemistry with Denny Duquette, a patient who's awaiting a heart transplant, and George treats Bex, a young teen hermaphrodite.

After a doctor is found dead at a golf course, the CBI team searches for a killer amongst a hospital's staff and patients. Meanwhile, when LaRoche is placed in charge of the CBI, his first act of business is to name Cho the new team leader.

A schizophrenic woman has an odd mixture of problems and it isn't long before House realises there's more to her than the obvious.

Emily learns the identity of a key conspirator against her father, and Victoria sets a trap for Emily.

Holly takes her authority at Ojai Foods too far and pushes Saul and Sarah to their limits. Meanwhile, Kevin encounters homophobia in the work place for the first time.

When a body is discovered in Atlanta covered in scratches, the BAU finds that this death and subsequent murders could be linked to an UnSub with an obsessive skin disorder.