Albert Kong

Amy grapples with having memories while treating a mother-to-be with a mysterious condition; Dr. Joan Ridley, Amy's mentor, visits Westside.

After a volcanic eruption wreaks havoc in Austin, the members of the 126 race to save lives at a college pool party.

The chief of logistics for a naval weapons station collapses on the job, and the NCIS team must determine if it's a terror threat or a stress-induced breakdown. Also, Kensi and Deeks research different honeymoon locations.

The NCIS team is joined by NCIS Special Agent Nicole DeChamps after a Marine reservist with a history of PTSD disappears following a drunk and disorderly altercation.