Thai Douglas

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

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 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.

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 whose murder case it should be.