'Stranger Things 3' has been seen by over 40 million Netflix accounts
More than 18 million have finished the whole season.
'Stranger Things' x 'Fortnite' crossover adds a couple of skins
And a 'vines' weapon wrap.
What's on TV this week: 'Stranger Things' season three
Also: 'Stranger Things 3: The Game,' 'Sea of Solitude' and a new 30 for 30.
'Stranger Things 3' pays respect to the power and perils of tech
Walkie-talkies and radios play an even bigger role in the show’s new season.
What’s coming to Netflix in July: ‘Stranger Things' and 'Queer Eye'
Plus the seventh and final season of 'Orange is the New Black.'