Friday's Broadcast Ratings: NBA Christmas Day on ABC Holds Off Competition By The Futon Critic Staff (TFC) Primetime Preliminary Fast National Nielsen Data (includes all DVR playback through 3:00 am) Here are the highlights of the nine ad-sustained programs that aired in primetime on the broadcast networks last night (12/25/20): [Note: Fast affiliate ratings are inaccurate for live sports.] ABC (3.483 million viewers, #1; adults 18-49: 1.0, #1) was the victor on Christmas evening with its primetime portion of "NBA on ABC: NBA Christmas Day: Dallas Mavericks at Los Angeles Lakers" (3.742 million viewers, #1; adults 18-49: 1.1, #1) plus a repeat "Black-ish" (2.188 million viewers, #7; adults 18-49: 0.7, #3). A close second was