Here are the preliminary A18-49 Live + Same Day ratings for Monday, December 19:
ABC
The Great Christmas Light Fight: 1.2
The Great American Baking Show (R): 0.9
CBS
First Lady Michelle Obama with Oprah Winfrey: 1.3
Man with a Plan: 1.1
2 Broke Girls: 1.2
Scorpion: 1.2
The CW
Supergirl (R): 0.4
Mary Claire Young Women's Honors: 0.2
FOX
Gotham (R): 0.4
Lucifer (R): 0.4
NBC
America's Got Talent: 1.8
The Wall: 1.6