Will Riverdale be renewed with low ratings?

The CW: Supernatural (1.6 million/0.6 rating) and Riverdale (1 million/0.3 rating) each lost a tenth, with Riverdale hitting a series low.

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NBC: Superstore (3.5 million/1.1 rating) was stable, while Powerless (2.3 million/0.7 rating) continued to dip. The Blacklist (4.9 million/0.9 rating) was on par with one week earlier.

The Blacklist: Redemption (4.2 million/0.8 rating) launched about as well as could be expected when you consider the free fall in the ratings the parent series has experienced this season.

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ABC: Grey's Anatomy (7.6 million/2.0 rating) was even, while How to Get Away with Murder (5 million/1.5 rating) ticked up for its two-hour season finale.

CBS: The Big Bang Theory (13.2 million/2.8 rating) ticked up, while The Great Indoors (7.5 million/1.5 rating), Mom (7.5 million/1.4 rating), and Life in Pieces (6 million/1.2 rating) ticked down.

Training Day (3.7 million/0.7 rating) remained a bust.

Fox: Mastechef (3.8 million/1.2 rating) inched up, while My Kitchen Rules (2.2 million/0.7 rating) went the other way.