What Happens if CBS Pulls the Plug on Nielsen Ratings “Big Bang Theory” and “NCIS” data won’t go away — it’ll just get really expensive Tony Maglio and Tim Baysinger December 20, 2018 @ 12:44 PM Share on Social Media Share on Facebook Share on X (formerly Twitter) Share on LinkedIn Share on Email Photo: Bill Inoshita/CBS Read Next Chris Hayes Explains Why Trump's Immigration Policies Are 'an Assault on the Idea of America Itself' | Video Comments