S12·E3 So It Goes

Episode recap

In the twelfth season of NCIS, an Englishman is murdered in the United States, and the victim is found to be carrying a list of deceased Navy men on his person. To uncover the answers behind this strange connection, Dr. Mallard and Bishop travel to England. As the investigation unfolds, flashbacks into his past help tell the tale for Dr. Mallard.

NCIS is a military police procedural television series that follows a fictional team of special agents from the Naval Criminal Investigative Service. The major case response team investigates criminal cases connected to United States Navy and Marine Corps personnel and their families, handling cases ranging from murder and espionage to terrorism and stolen submarines. The series was created by Donald P. Bellisario and Don McGill, originating as two back-door pilot episodes of an existing show, JAG, that aired in April 2003, before premiering as a standalone series.

The ongoing television series features a cast that includes characters and actors associated with the production's long history, such as Sean Murray, David McCallum, Mark Harmon, Brian Dietzen, and Rocky Carroll. Over its run, the production has seen the involvement of various actors, showrunners, and network executives guiding the mothership series through numerous seasons and milestones.