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The “Riverdale” Season 2 premiere scored new series highs across the board on Wednesday night, according to Nielsen data.

Airing at 8 p.m., “Riverdale” averaged a 0.8 rating in adults 18-49 and 2.3 million viewers, making it the highest-rated and most-watched episode of the show to date. In addition, the debut was up just under 60% in the key demo and more than 60% in total viewers compared to the Season 1 opener (0.5, 1.4 million). Even more impressive, the Season 2 premiere doubled the demo rating and more than doubled the total viewers of the Season 1 finale (0.4, 0.96 million).

Immediately after “Riverdale,” the series launch of the reboot of “Dynasty” drew a 0.4 and 1.3 million viewers, putting it above the premiere of fellow freshman CW series “Valor” (0.3, 1.2 million) earlier this week.

On Fox, “Empire” (1.9, 5.9 million) and “Star” (1.5, 4.6 million) were both even with last week.

On ABC, “The Goldbergs” (1.4, 5.6 million) was down slightly in the demo, as was “Speechless” (1.1, 4.3 million). “Modern Family” (1.8, 6.2 million), “American Housewife” (1.4, 5 million), and “Designated Survivor” (0.9, 4.6 million) were all even.

For CBS, “Survivor” (1.6, 7.9 million) was steady, as was “SEAL Team” (1.2, 7.9 million) and “Criminal Minds” (1.1, 5.9 million).

On NBC, “The Blacklist” (0.9, 5.6 million) was down slightly in the demo, while “Law & Order: SVU” (1.2, 5.7 million) and “Chicago PD” (1.2, 6 million) were stable.

Fox won the night in the demo with a 1.7, but finished third in total viewers with 5.2 million. CBS and ABC tied for second in the demo with a 1.3 each, but CBS was first in total viewers with 7.2 million. ABC came in fourth in total viewers with 5.1 million. NBC finished fourth in the demo with a 1.1, but second in total viewers with 5.8 million. The CW averaged a 0.6 and 1.8 million viewers.