Ratings: ‘Chicago Med’ has great premiere; ‘The Flash,’ ‘Chicago Fire’ down (11/17/2015)

Did we assume that “Chicago Med” was going to have a great premiere for NBC? Sure, but at the same time we didn’t think it would be performing anywhere near as well as it did.

The winners – The medical drama from Dick Wolf on Tuesday night drew a 2.2 rating in the 18-49 demographic, making it (at least for now) the top scripted show on TV, even above flagship “NCIS” (2.1) over on CBS. This is definitely an impressive start to a show almost sure to get a lengthy episode order now. We don’t imagine it having many huge drops, either, given that most people who watched likely knew what they were going to get from the show.

The only other shows of the night to rise substantially in the ratings were “Fresh Off the Boat” (1.4) “The Voice” (2.6), which was up slightly versus last week’s similar edition.

The losers – It was a rough night Tuesday for the majority of everything else on the schedule. “Chicago Fire” (1.9), “The Flash” (1.3), and “iZombie” (0.5) all declined by a decent amount. “Chicago Fire” probably only dropped because of it not airing directly after “The Voice,” so you do have to keep that in mind.

The show we’re the most concerned about right now is “iZombie.” Getting a 0.5 is not so problematic for The CW, but when you consider that “The Flash” is leading into it, you probably want at least 50% retention in that spot. We would not be shocked to see the show moved at midseason, with DC’s “Legends of Tomorrow” taking over.

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