NBC Fall 2021 Premiere Dates Revealed NBC has unveiled its upcoming premiere dates, highlighted in the fall by the series premieres of “Ordinary Joe” (Sept. 20) and “La Brea” (Sept. 28), as well as a special two-hour premiere of “Law & Order: SVU” (Sept. 23). “The Blacklist” moves to Thursdays at 8 p.m., taking the place of the previously announced “Law & Order: For the Defense.” Prior to the fall, …