Thai Douglas

The residents travel to San Francisco for the oral boards; sparks fly when Richard and Catherine (Debbie Allen) bump into each other at a hotel; Alex feels guilty.

The BAU team investigates a series of home invasions in upscale neighborhoods in San Diego involving casualties.

The residents agonize over their upcoming exam results; Arizona's childhood friend needs medical help; the doctors try to help a patient missing one third of his skull; Julia wants to start a family with Mark.

After saving a stranger who fell onto subway tracks, a man suddenly collapses despite appearing to be unscathed; House tries to avoid a dinner with Cuddy and her opinionated mother (Candice Bergen).

The team must help an injured former Secret Service agent regain his memory in order to stop the launching of weapons of mass destruction.

When a high school principal is shot while trying to turn his school around in the midst of a scandal, Brenda and her detectives soon realize their case overlaps with an existing FBI investigation. The situation leaves Fritz and Brenda sparring over whosemurder case it should be.