From Programming Insider (see end of article for link)
 

Live  +7 Day Ratings

18-49

L+SD - 0.41
L+7D -  0.81
Total Increase 0.40
Percent Increase - +96%

 

Total Viewers

L+SD - 1.391M
L+7D - 2.325M
Total Increase - 0.934M
Percent Increase - +67.15%

 

Live + 3 Day Ratings
 
18-49
L+SD - 0.41
L+3D -  0.71
Total Increase - 0.30
Percent Increase - +71%
 
Total Viewers
L+SD - 1.391M
L+3D - 2.077M
Total Increase - 0.686
Percent Increase - +49.32%
Final Ratings from Spoiler TV
 
18-49 - 0.4
Final Ratings - 1.39
 
Overnight ratings for Supernatural season 13 episode 21.
 
 
Fast Demo 2018 May 03.THU
 
Change from last week via TV Series Finale
 
Change from last week Beat the Devil