Chris O'Donnell (Special Agent G. Callen). In an effort to help Sam and Deeks return to work, Hetty calls upon Operational Psychologist Nate Getz to help them cope with their traumatic experience. Meanwhile, the rest of the NCIS: LA team investigates the murder of a former Navy Admiral and a controversial journalist aboard a private jet, on NCIS: LOS ANGELES, Tuesday, Oct. 1 (9:00-10:00 PM, ET/PT) on the CBS Television Network. Peter Cambor returns as Operational Psychologist Nate Getz. Photo: Ron P. Jaffe/CBS ©2013 CBS Broadcasting, Inc. All Rights Reserved.