Friday TV Ratings, 12/29/17: ’Dateline’ Beats ’20/20’ on Last Friday of 2017 (UPDATED) Ahmad Usufzy Saturday, December 30, 2017 20/20 ratings 48 hours ratings dateline ratings friday ratings repeat ratings Ahmad Usufzy Here are the final broadcast ratings for Friday, December 29, 2017. Finals Update: All shows held their preliminary ratings (R) = repeat Author : Ahmad Usufzy Share this Related Posts