NCIS “The Penelope Papers” Season 9 Episode 3 October 4, 2011 NCIS, News NCIS “The Penelope Papers” Season 9 Episode 3 airs Tuesday October 4 (8:00-9:00 PM, ET/PT) on the CBS Television Network. Episode Synopsis: The line between McGee’s personal and professional life is blurred when NCIS uncovers a connection between his grandmother and the murder of a Navy lieutenant, on NCIS, Tuesday, Oct. 4 (8:00-9:00 PM, ET/PT) on the CBS Television Network. Lily Tomlin guest stars as Penelope Langston, McGee’s grandmother. 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)