“End of the Road” – When Lala’s favorite CI is shot, the team joins forces with Oceanside PD to determine who was behind the attack. Also, Franks visits his brother Mason (guest star Philip Winchester) at the compound, and Gibbs’ relationship with Diane is tested when she gets a job in Los Angeles, on NCIS: ORIGINS, Tuesday, Dec. 9 (9:00-10:00 PM, ET/PT) on the CBS Television Network, and streaming on Paramount+ (live and on demand for Paramount+ Premium plan subscribers, or on demand for Paramount+ Essential subscribers the day after the episode airs)*.