What has the audience seen to create such fervor? The answer is the rolling opening credits of “Stranger Things,” the Netflix horror-nostalgia sci-fi series that has been a monster hit since ...

(L-R): Jamie Campbell Bower, Charlie Heaton, Natalia Dyer, Noah Schnapp, Priah Ferguson, Cara Buono, Brett Gelman, and Matthew Modine attend 'Stranger Things: The First Shadow' opening night ...