‘Chicago Med’ Season 12 Premiere Hits 8.8 Million Viewers in Seven Days as Dick Wolf’s One Chicago Franchise Leads NBC Lineup (EXCLUSIVE)

Oct 21, 2026 12:00pm PT ‘Chicago Med’ Season 12 Premiere Hits 8.8 Million Viewers in Seven Days as Dick Wolf’s One Chicago Franchise Leads NBC Lineup (EXCLUSIVE)

By Selome Hailu

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Selome Hailu

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Dick Wolf’s One Chicago franchise — comprised of “Chicago Med,” “Chicago Fire” and “Chicago P.D.” — returned to NBC on Oct. 7 with a bang, ranking as NBC’s top three shows of the season thus far when accounting for seven days of viewership.

“Chicago Med” led the pack, reaching 8.8 million viewers across all platforms in seven days after its Season 12 premiere, becoming the top broadcast show of the night of Oct. 7. Among viewers age 18-49, all three One Chicago series saw improvements compared to last year’s season premiere ratings, with “Chicago Med” in particular jumping 19% in 18-49 rating from the Season 11 premiere in 2025. For “Chicago Fire,” Season 15’s demo rating was up 9% from Season 14, and for “Chicago P.D.,” Season 14 was up 3% from Season 13.

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