Sixteen houseguests enter the house for a chance to win $500,000.
| Title | Big Brother 21 |
|---|---|
| Genres | Reality |
| Air Date | 2019-06-25 |
| Episode Runtime | 00 Hours 45 Minutes |
| Season Number | 21 |
| Episode Count On Season 21 | 40 |
| Production Companies | Endemol Shine North America, Endemol USA, Fly on the Wall Entertainment |
