"Whiskey Tango Foxtrot" -- An explosion at a D.C. event that results in a casualty connected to the agency changes Parsonsâ (Colin Hanks, center) perspective on Gibbs (Mark Harmon, left) and the NCIS team, on the 11th season premiere of NCIS, Tuesday, September 24 (8:00-9:00 PM, ET/PT) on the CBS Television Network. Also pictured: Pauley Perrette (right) Photo: Cliff Lipson/CBS é2013 CBS Broadcasting, Inc. All Rights Reserved.