When the trailer for the new NBC drama “This Is Us” was unveiled on Facebook in mid-May, the response was overwhelming and surprising.
The roughly 2 1/2-minute preview nabbed nearly 15 million views in a little over 48 hours after its release — a number that has since quadrupled. On YouTube, the number of views has now reached more than 8.3 million.
The tune-in was particularly startling since the show is a low-key ensemble dramedy with no megastars or definable high concept to lure audiences. Not to mention a vague title.
It’s the sort of very unconventional measuring tool that had Dan Fogelman, the series...