NCIS “Code of Conduct” Season 7 Episode 5 October 19, 2009 NCIS Watch a sneak peek of the NCIS “Code of Conduct” Season 7 Episode 5 airing Tuesday October 20 (8:00-9:00PM, ET/PT) on the CBS Television Network. Episode Synopsis: NCIS “Code of Conduct” Season 7 Episode 5 – When a Marine known for his practical jokes is found dead on Halloween Eve, the NCIS team discovers that the victim’s “good-natured” pranks may have inspired ghoulish retribution. Meanwhile, Ziva tries to adjust to her new role on the team, on NCIS, Tuesday, Oct. 20 (8:00-9:00 PM, ET/PT) on the CBS Television Network. Also watch any NCIS Episodes you may have missed here. Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on Reddit (Opens in new window)Click to share on Google+ (Opens in new window)Click to share on Tumblr (Opens in new window)Click to share on Pocket (Opens in new window)