NCIS “South By Southwest” Season 6 Episode 17 February 22, 2009 NCIS Watch a sneak peek of NCIS Season 6 Episode 17, “South By Southwest” airing this Tuesday February 24, at 8pm on CBS. You can also watch a preview from NCIS “South By Southwest” below and read all our NCIS coverage. Episode Synopsis: NCIS “South By Southwest” Season 6 Episode 17 – Gibbs and DiNozzo reverse roles after a murder leads to one of Tony’s old investigations being re-opened, on NCIS, Tuesday, Feb. 17 (8:00-9:00 PM, ET/PT) on the CBS Television Network. 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)