S22·E20 Nexus

Episode recap

In the episode titled Nexus from the television series NCIS, the Major Case Response Team investigates a dangerous connection between the Nexus cartel and Parker's longtime nemesis, mob boss Carla Marino. During the course of the investigation, the team uncovers a high-stakes plot involving stolen nuclear material.

The series follows the Major Case Response Team of the Naval Criminal Investigative Service as they investigate criminal cases connected to United States Navy and Marine Corps personnel and their families. The broader scope of the program's investigations spans crimes ranging from murder and espionage to terrorism and stolen submarines.

The production history of the mothership series dates back to its origin as two back-door pilot episodes of an existing show, JAG, which aired in April 2003. The long-running television series features cast members such as Sean Murray, David McCallum, Mark Harmon, and Brian Dietzen, with actors like Sean Murray and Brian Dietzen having started with recurring characters during the first season before becoming series regulars, while Rocky Carroll joined the cast in Season 5.