Big Brother is a reality television game show. It is based on an originally Dutch language TV series of the same name which was created by John de Mol in 1997. The show follows a group of House Guests living together 24 hours a day in the "Big Brother" house. They are isolated from everyone outside of the house. They are videotaped with no privacy for three months. Since its US television start in 2000, Big Brother has continue airing with at least one season of the show on CBS each year. It is currently the second longest version of the show to have done so, after the Spanish version. On September 29, 2021, CBS announced that Big Brother was renewed for its 24th season in summer 2022. The 24th season began on July 6, 2022.

The HouseGuests compete for the chance to win $750,000. They must try to avoid weekly eviction, until the last HouseGuest remains. The American series is hosted by television personality Julie Chen. It is produced by Allison Grodner and Rich Meehan for Fly On The Wall Entertainment. It currently airs in the United States on CBS and in Canada on Global.