We’re of course talking about the One Chicago universe.

Don’t worry, we’ve got you covered.

Should you start with the first One Chicago series?

Chicago Med cast posing

Still, the question remains: Which series should you start first?

Well, according toCine Dope, you should probably watch them order because of their crossovers.

and 2015’s “Chicago Med.”

Cast and crew of “Chicago Med” celebrating their hundredth episode

Still, it’s connected to the rest of the universe.

since it premiered that year.