Here are the overnight ratings for Supernatural season 14 episode 12 from Showbuzz Daily. Live +3Day Ratings from Programming Insider
 
  Live Ratings (Overnights) Final Same Day Live +3 Day Live +7 Day
18-49 0.4 0.4 0.63(+61%) 0.74(+78%)
Total Viewers  1.364 1.396 2.052(+47%) 2.358(+63%)

We made the Nielsen to 10 Social Media ratings for the week. See chart below:
Prophet and Loss top 10
 
 
Show Live +SD 18-49 Live +SD Total
     
Flash 0.7 2.039
Supernatural 0.4 1.396
Riverdale 0.4 1.259
Arrow 0.4 1.177
Roswell 0.3 1.274
Legacies 0.3 1.008
Black Lightening 0.3 0.928
All American 0.2 0.769
Dynasty 0.2 0.595
Crazy Ex-Girlfriend 0.1 0.397
 
We finished 2nd in the 18-49 demographic behind The Flash and tied with Riverdale and Arrow. We are second in total viewers behind only Flash.
 
For the ratings for all episodes of Supernatural check out our all episodes ratings page.