Stranger Things 4 is the second Netflix show to reach a billion hours viewed. The latest season released in May and has since accumulated 1.15 billion hours viewed across nine episodes. It is the second most-watched Netflix season after Squid Game in 2021.
Netflix provides audience analytical data. The streaming service measures show viewership in the first 28 days after content makes a debut. The company also monitors a variety of other metrics.
The top 10 most viewed Netflix shows in hours counted in its first 28 days: (1) Stranger Things 4 (1,151,240,000), (2) Bridgerton: Season 2 (656,260,000), (3) Bridgerton: Season 1 (625,490,000), (4) Stranger Things 3 (582,100,000), (5) Lucifer: Season 5 (569,480,00), (6) The Witcher: Season 1 (541,010,000), (7) Inventing Anna: Limited Series (511,920,000), (8) 13 Reasons Why: Season 2 (496,129,000), (9) Ozark: Season 4 (491,090,000), (10) The Witcher: Season 2 (484,340.000).