EXCLUSIVE: Big Brother is back with a bang. Season 28 debuted 3. 88 million live + same-day viewers, according to Nielsen Big Data + Panel, making it the series’ most-watched premiere episode in five years (since the July 7, 2021 premiere’s 4.
Source: [Deadline](https://deadline.com/2026/07/big-brother-season-28-premiere-ratings-cbs-1236982018/)