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Ratings Update: CBS’ “Supergirl” Suffers 23% Drop in Week Three

Final Ratings Update: Per final Nielsen data, Monday’s “Supergirl” drew a 1.7 adults 18-49 rating with 8.066 million total viewers.

They trail those of the previous broadcast (2.2, 8.865 million) by 23% and 9%, respectively.

Two weeks ago, the “Big Bang Theory”-boosted premiere episode drew a 3.1 with 12.955 million viewers.

While the actual numbers remain solid, the rate of decline is concerning. “Supergirl” will need to soon stabilize.

CBS’ Monday night lineup also included “Scorpion” (1.8, 9.344 million this week vs. 1.9, 9.507 million last week) and “NCIS: Los Angeles” (1.3, 7.910 million this week vs. 1.3, 8.409 million last week).

Fast National Ratings Update: While it suffered a modest decline in total viewership, Monday’s “Supergirl” suffered a substantial hit in the key adults 18-49 demographic.

After drawing a 2.2 for last week’s time period premiere (and second overall episode), CBS’ new drama slipped to a 1.7 rating this Monday.

This week’s viewership average of 8.179 million trails last week’s 8.865 mark by a considerably lesser 8%.

CBS’ Monday night lineup also included “Scorpion” (1.8, 9.315 million this week vs. 1.9, 9.507 million last week) and “NCIS: Los Angeles” (1.2, 7.837 million this week vs. 1.3, 8.409 million last week).

Editor’s Note: San Diego’s CBS affiliate carried the Chargers-Bears game, but “Supergirl” and “Scorpion” were only delayed by about an hour. As a result, the final ratings adjustment may not be as significant as the one typically associated with sports pre-emptions.

While CBS’ “Supergirl” could not avoid a week three decline, it still posted a respectable household number.

Per Nielsen metered market data, Monday’s episode drew a 5.2 overnight household rating. Down from the 5.8 posted by the previous week’s episode, the number is not alarming.

The adults 18-49 rating and total viewership mark, which will provide a more complete picture of the show’s week three performance, are due by 11:15AM ET.

CBS’ Monday also included “Scorpion” (6.1 overnight household rating) and “NCIS: Los Angeles” (5.2).

Written by Brian Cantor

Brian Cantor is the editor-in-chief for Headline Planet. He has been a leading reporter in the music, movie, television and sporting spaces since 2002.

Brian's reporting has been cited by major websites like BuzzFeed, Billboard, the New Yorker and The Fader -- and shared by celebrities like Taylor Swift, Justin Bieber and Nicki Minaj.

Contact Brian at brian.cantor[at]


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