Thai Douglas

The team strives to help an injured former Secret Service agent regain his memory in a desperate bid stop a weapon of mass destruction from launching.

The residents travel to San Francisco for the oral boards; sparks fly when Richard and Catherine bump into each other at a hotel; Alex feels guilty about being away from the hospital when Tommy's health takes a turn for the worse.

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

The BAU team looks into a series of home invasions with casualities in the affluent parts of San Diego.

Campbell decides to ask Grace out on a date. A teenage patient confesses that he was abused while attending a camp.

The principal of a high school that is embroiled in a scandal is found shot dead in his car. Brenda and her detectives examine the murder scene but soon realise that an existing FBI enquiry overlaps with the case. A territorial conflict erupts, leaving Fritz and Brenda battling over who should be responsible for the investigation.