Highlights from the Sixth Episode of Season 5 of NCIS: LA

2/9

"Big Brother" Season 5 Episode 6

Pictured: Eric Christian Olsen (LAPD Liaison Marty Deeks). Callen goes undercover at a prestigious high school after a 15-year-old hacker compromises terrorist missions, on NCIS: LOS ANGELES, Tuesday, Oct. 29 (9:00-10:01 PM, ET/PT) on the CBS Television Network. Photo: Robert Voets/CBS ©2013 CBS Broadcasting, Inc. All Rights Reserved.