1. What's This? in "Omni" Season 5 Episode 3
Pictured: LL COOL J (Special Agent Sam Hanna) and Chris O'Donnell (Special Agent G. Callen). The NCIS: LA team must find who compromised a classified vaccine project from a bio tech company. Meanwhile, Deeks struggles with his emotions upon returning to the field, on NCIS: LOS ANGELES, Tuesday, Oct. 8 (9:00-10:00 PM, ET/PT) on the CBS Television Network. Photo: Michael Desmond/CBS ©2013 CBS Broadcasting, Inc. All Rights Reserved.