"Blood Brothers" -- In the hopes of sparing a family further tragedy, the Secretary of the Navy calls on NCIS to help a sailor battling leukemia locate a bone marrow transplant after his two Marine siblings are killed in the line of duty, on NCIS, Tuesday, Nov. 24 (8:00-9:00 PM, ET/PT), on the CBS Television Network. Pictured left to right: Sean Murray, Michael Weatherly and Joe Spano Photo: Neil Jacobs/CBS é2015 CBS Broadcasting, Inc. All Rights Reserved