Tech ‘Stranger Things’ season 3 had record 26.4 million US viewers in first four days July 12, 2019July 14, 2019 Sarah Whitten, CNBC Comments Off on ‘Stranger Things’ season 3 had record 26.4 million US viewers in first four days Season three of "Stranger Things" is the "most watched Netflix original series we’ve ever analyzed," Nielsen said in a press release.