NCIS “Thirst” Season 9 Episode 6 Photos With Cheryl Ladd October 17, 2011 NCIS, News Episode Synopsis: An NCIS case changes from accidental death to murder when evidence reveals that a Navy lieutenant died of forced over-hydration. Meanwhile, Gibbs meets Ducky’s new love interest, on NCIS, Tuesday, Oct. 25 (8:00-9:00 PM, ET/PT) on the CBS Television Network. Cheryl Ladd guest stars as Mary Courtney, Ducky’s new love interest. Click Any Photo Below To Enlarge 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)