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

“Chicago Med” led NBC’s One Chicago franchise return on 7 October, reaching 8.8 million viewers across platforms within seven days of its Season 12 premiere. The three series ranked as NBC’s most-watched shows of the season so far on that measure, and “Chicago Med” was the top broadcast show on premiere night.

All three series improved their 18-49 ratings compared with their previous season premieres: “Chicago Med” rose 19%, “Chicago Fire” 9% and “Chicago P.D.” 3%. “Chicago Med” and “Chicago Fire” also grew their streaming audiences on Peacock over seven days. The following night, “Law & Order: Special Victims Unit” returned for its 28th season, with its 18-49 rating up 1% on its 2025 premiere.