CSI “The Lost Girls” Season 10 Episode 7 November 11, 2009 CSI Watch a sneak peek of CSI “The Lost Girls” Season 10 Episode 7 airing Thursday November 12 (9:00-10:00 PM, ET/PT) on the CBS Television Network. Episode Synopsis: CSI “The Lost Girls” Season 10 Episode 7 – The CSI team helps Langston investigate a prostitution ring that may have harbored a hostage Langston had been looking for in Miami and New York, on CSI: CRIME SCENE INVESTIGATION, Thursday, Nov. 12 (9:00-10:00 PM, ET/PT) on the CBS Television Network. Also watch any CSI episode that you want here. Read all our CSI coverage. (Photos: Courtesy of CBS) 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)