“Blood and Treasure” – The discovery of two dead bodies in the forest leads the NCIS team into the wild world of modern-day treasure hunting. Also, Gibbs and Fornell get deeper into their search for the opioid kingpin, on NCIS, Tuesday, Dec. 8 (8:00-9:00 PM, ET/PT) on the CBS Television Network. Pictured: Mark Harmon as NCIS Special Agent Leroy Jethro Gibbs. Photo: Sonja Flemming/CBS ©2020 CBS Broadcasting, Inc. All Rights Reserved.