Furthermore, ABC won in total viewers with 2.998 million viewers - followed by CBS (2.300), FOX (2.037), NBC (1.954) and The CW (0.714).
ABC and NBC aired all repeats for the evening.
UPDATE - The repeats of America's Got Talent and Dateline were adjusted up.
FOX (0.50 Rating, 2.037 Million Viewers)
WWE SMACKDOWN (0.5)
ABC (0.47 Rating, 2.998 Million Viewers)
SHARK TANK (0.4) REPEAT
20/20 (0.5) REPEAT
NBC (0.33 Rating, 1.954 Million Viewers)
AMERICA'S GOT TALENT (0.3) REPEAT
DATELINE (0.4) REPEAT
CBS (0.30 Rating, 2.300 Million Viewers)
MACGYVER (0.3) REPEAT
LOVE ISLAND (0.3, -0.2)
BLUE BLOODS (0.3) REPEAT
THE CW (0.10 Rating, 0.714 Million Viewers)
MASTERS OF ILLUSION (0.1, +0.0)
MASTERS OF ILLUSION (0.1) REPEAT
WORLD'S FUNNIEST ANIMALS (0.1) SERIES PREMIERE
WORLD'S FUNNIEST ANIMALS (0.1)
The Final Ratings for Friday, September 18 
Average Rating: 0.28
Average Viewership: 1.803
NOTE: For the 2020-21 broadcast season, Nielsen has determined that there are 121 million TV households in the United States - with 307.9 million people ages 2 and up. The Adults 18-49 demographic is the rating most commonly reported and helps determine ad rates but is not the sole explanation for whether a show will be renewed or cancelled.
NOTE: For the 2020-21 broadcast season, Nielsen has determined that there are 121 million TV households in the United States - with 307.9 million people ages 2 and up. The Adults 18-49 demographic is the rating most commonly reported and helps determine ad rates but is not the sole explanation for whether a show will be renewed or cancelled.
